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Social exclusion and health outcomes among empty nest and non-empty nest older people in China

Published online by Cambridge University Press:  28 April 2022

Zhixin Feng
Affiliation:
School of Geography and Planning, Sun Yat-Sen University, Guangzhou, China Guangdong Key Laboratory for Urbanization and Geosimulation, Sun Yat-Sen University, Guangzhou, China Guangdong Provincial Engineering Research Center for Public Security and Disaster, Guangzhou, China
David R. Phillips*
Affiliation:
Department of Sociology and Social Policy, Lingnan University, Tuen Mun, Hong Kong (SAR), China
*
*Corresponding author. Email: phillips@ln.edu.hk
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Abstract

Many existing studies lack a comprehensive picture of the social exclusion statuses and health outcomes of empty nesters and those empty nesters living alone or with a spouse only. Cross-sectional analysis was conducted on representative national data from the 2014 China Longitudinal Aging Social Survey, focusing on respondents aged 60 and above (N = 7,923). Four dimensions of social exclusion (social relationships, subjective feeling of being excluded, social activities and financial products) and three health outcomes (self-reported health (SRH), activities of daily living (ADLs) and depression), were considered. Results show that ‘empty nest’ older people were more likely to be excluded from social relationships and to experience subjective feelings of being excluded, and were less likely to participate in social activities than non-empty nesters. Empty nesters were significantly less likely to report fair SRH and ADL difficulties than non-empty nesters, but they were more likely to report having depression than non-empty nesters. Among ‘empty nest’ older people, empty nesters who were living alone were associated with higher levels of being excluded from social relationships and to experience subjective feelings of being excluded than those who were living with a spouse only. Future research could focus on the development of age-friendly communities which act as health interventions to address relevant situations of social exclusion and depression among empty nesters.

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Creative Commons
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This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution and reproduction, provided the original article is properly cited.
Copyright
Copyright © The Author(s), 2022. Published by Cambridge University Press

Introduction

Intergenerational co-residence has declined significantly in Western countries over the past half a century due to a combination of factors including rising demands for ‘privacy’ and income growth (Michael et al., Reference Michael, Fuchs and Sharon1980; Boyd, Reference Boyd1991; Grundy, Reference Grundy2000). China's household structure has experienced similar changes from traditional multigenerational (or intergenerational) co-residence to shrinking household sizes, with the proportions of one-couple households rising steadily from the 1980s onwards (Hu and Peng, Reference Hu and Peng2015). The ‘empty nest’ phenomenon as seen in the West has also strongly emerged. This commonly refers to households in which older people are living alone or with a spouse only, and whose children or grandchildren have left home. Following China's 40+ years of the One-child policy and subsequent modifications, the ‘empty nest’ has become the main family pattern among older people in China. There were 58 million empty nest families in China in 2010 (Hu and Peng, Reference Hu and Peng2015) and the number of empty nest older people is expected to reach 200 million in 2030 (Yuan, Reference Yuan2017). Empty nesters are thought to be at higher potential risk of being socially excluded than non-empty nesters as they may have limited social contacts or lesser participation in various domains of life activities (Feng, Reference Feng2011; Phillips and Cheng, Reference Phillips, Cheng, Scharf and Keating2012; Scharf and Keating, Reference Scharf and Keating2012; Van Regenmortel et al., Reference Van Regenmortel, Donder, Dury, Smetcoren, Witte and Verte2016; Feng et al., Reference Feng, Phillips and Jones2018). Empty nesters appear increasingly likely to form a social phenomenon, a group which will present numerous social, economic, and possibly health and policy implications in the coming decades.

Many existing studies in Asia and the West have tended to analyse social exclusion as a primary outcome or have focused on selected health outcome(s) among empty nesters. Consequently, we lack a more comprehensive picture of the social statuses of empty nesters and those empty nesters living alone or with a spouse only. Therefore, this study aims to investigate more broadly the physical and mental health outcomes and four dimensions of social exclusion, comparing empty nest and non-empty nest older people, and empty nesters who were living alone or with a spouse only. The findings will help to fill the empirical knowledge gap about the relationships between empty nesting, health outcomes and social exclusion in a non-Western country, China, but where similar ‘empty nest’ characteristics are evident but it is currently without the more developed formal old-age support seen in many Western societies.

Empty nesters, non-empty nesters and associations with health

The pathways through which individuals become ‘empty nesters’ can vary and may indeed change over time. They can be assessed objectively or subjectively through the lifecourse and can cause mixed feelings in older parents. Given their ramifications, they may affect and lead to different mental and physical health statuses. Children leaving home and living independently from their parents is a major rite of passage for children and is, of course, the key objective reason for older parents becoming ‘empty nesters’. Parents may have a range of different emotional responses and expectations about their children's ‘usual’ nest-leaving behaviour. The ‘launching’ of children from the home, as some call it, might extend the breakup of family ties and can exacerbate the empty nest syndrome. The range of emotions can include negative ones, such as depression, anxiety, guilt and stress, that may lead to chronic stress in their later life (Grover and Dang, Reference Grover and Dang2013; Mitchell and Wister, Reference Mitchell and Wister2015; Tanis et al., Reference Tanis, van der Louw and Buijzen2017). In addition, being empty nesters can lean older people towards having less emotional support from their adult children. Without appropriate support, empty nest older people could be in a more vulnerable position with regard to the fairly common psychological and physical problems of older age.

There is little doubt that non-empty nesters can more easily access emotional and instrumental support from their (co-resident) children than empty nesters, which could help older parents maintain higher levels of physical and mental functioning in older age (e.g. Glaser et al., Reference Glaser, Tomassini and Grundy2004). Non-empty nesters' health could also be more easily observed and monitored by their co-resident children which could result in older parents having better health, or quicker interventions, than their empty nest counterparts. Aranda (Reference Aranda2015) used a difference-in-difference propensity score-matching approach and Courtin and Avendano (Reference Courtin and Avendano2016) used an instrumental variable approach to address the causal relationships between co-residence and mental health among older Europeans, and both studies found robust evidence of a positive effect of co-residence on their mental health. Yuan et al. (Reference Yuan, Zheng and Hui2021) applied the endogenous treatment effect model and found that older persons who lived with their children were happier than those who did not. Conversely, from a strain relief perspective, the departure from home of children could perhaps reduce older parents' exposure to stressors such as daily demands and work–family conflicts. Living with adult children might also lead to a loss of autonomy and independence among older people, an increase in their dependence and potential conflict between children (Hughes and Waite, Reference Hughes and Waite2002). In Asian countries, using a factor structure model, which accounts for non-random selection and heterogeneous treatment effect with two waves of data, Johar and Maruyama (Reference Johar and Maruyama2014) found a negative co-residence effect on health outcomes. In Japan, another factor structure model study with two waves supported the proposition that co-residence may worsen elderly parents' health because care burdens on adult children create disincentives for the parents to invest in longevity (Maruyama, Reference Maruyama2015). In Western-based studies, Tosi and Grundy (Reference Tosi and Grundy2018) applied fixed-effects linear regression models with four waves of data and found that a child returning to the home could be associated with decreases in older parents' quality of life in Nordic countries. Davis et al. (Reference Davis, Kim and Fingerman2018), using ordinary least squares (OLS) regression with two waves of data, noted that co-residence with a child can be associated with lower parental marital quality in the United States of America (USA). Similarly, in the USA, Caputo (Reference Caputo2019) employed OLS regression with three waves of data and concluded that a child returning to the home could be associated with an increase in depressive symptoms among older people. Indeed, Davis et al. (Reference Davis, Kim and Fingerman2018) argued that the detrimental effect of co-residence on parental marital quality may be valid when co-residence is non-normative or when co-resident children are themselves suffering problems. A transition to co-residence with adult children showed the potential to violate values and normative expectations and financial stress in Tosi and Grundy's (Reference Tosi and Grundy2018) and Caputo's (Reference Caputo2019) studies.

In general, different living arrangements are associated with different health outcomes and the detrimental effects or beneficial effects of co-residence with children seems to vary according to different culture, societies and countries (Courtin and Avendano, Reference Courtin and Avendano2016; Tosi and Grundy, Reference Tosi and Grundy2018; Caputo, Reference Caputo2019). Living with a spouse has been consistently found to be beneficial for the survival and health of older people (Waite and Hughes, Reference Waite and Hughes1999; Feng et al., Reference Feng, Jones and Wang2015). Manzoli et al. (Reference Manzoli, Villari, Prirone and Boccia2007) observed that marriage provides provision of social or economic support which could be attributed as a protective effect to the risk of mortality, and better health behaviours of married individuals, especially males, may in turn be a direct effect of marriage on health outcomes. Older people who live with a spouse or alone are more likely to develop better coping mechanisms and contingency plans (such as using formal health services) than those in other living arrangements (Davis et al., Reference Davis, Moritz, Neuhaus, Barclay and Gee1997).

Whilst many studies have been Western-based, in China, many older people are expected to carry out household chores for the entire family or to care for grandchildren in return for their traditional family (filial piety) care from children, whether or not in intergenerational co-residence or living with adult children, because of underdeveloped formal old-age support. Some studies suggest that these demands may lead to a decline in physical function (Wang et al., Reference Wang, Zheng, Kurosawa, Inaba and Kato2009), and the wellbeing and quality of life of such persons may also be affected by potential intergenerational conflicts (Zhou and Qian, Reference Zhou, Qian, Zeng, Poston, Vlosky and Gu2008). Older empty nesters often appear to have changed needs for daily living, health care and social support (Liu et al., Reference Liu, Tian, Yue, Wang, Du and Chen2015), which could lead to psychological and physical problems. However, Sereny (Reference Sereny2011) showed that older people in China, especially those of higher socio-economic status, often preferred to live independently, which could be a key subjective reason for some older parents having become ‘empty nesters’ in recent years. ‘Empty nest’ parents can have more freedom and leisure time (Mitchell and Wister, Reference Mitchell and Wister2015; Tanis et al., Reference Tanis, van der Louw and Buijzen2017) and may avoid potential intergenerational conflicts.

Empty nesting and social exclusion

Studies have shown that older people can be more vulnerable to social exclusion than those in younger age groups as they may have limited social contacts or participation in various domains of life activities (Feng, Reference Feng2011; Phillips and Cheng, Reference Phillips, Cheng, Scharf and Keating2012; Scharf and Keating, Reference Scharf and Keating2012; Van Regenmortel et al., Reference Van Regenmortel, Donder, Dury, Smetcoren, Witte and Verte2016; Feng et al., Reference Feng, Phillips and Jones2018). The development of an ‘empty nest’ will inevitably influence older people's contact with family members away from direct contact, possibly daily, face-to-face communications, to indirect contact via phones or other social networking applications. A longitudinal study in the USA on parental empty nesters and social networking site (SNS) use showed that child-related SNS use reached a peak in the period directly after the child has ‘left the nest’ and gradually decreased over the subsequent two years (Tanis et al., Reference Tanis, van der Louw and Buijzen2017). The empty nest syndrome, loosening direct contacts between family members, could act together with population ageing to impact on many aspects of society but especially the nature and frequency of relationships among family members, as well as government policies for family support and organisations that provide services to older adults (Chen et al., Reference Chen, Yang and Aagard2012). Social exclusion may be an unavoidable factor for empty nesters and especially those in the oldest age groups. Empty nesters are thought to be at higher potential risk of being socially excluded than non-empty nesters.

There are many expressions of rural and urban disparities in modern China, many of which are of concern to national policy makers (i.e. China's 13th Five-year Plan). These do not merely reflect geographical differences in residence but many features can also interact with the empty nest phenomenon and social exclusion. For older people in rural areas, many effects of urbanisation potentially leave them both physically and socially isolated in rural areas as younger generations are attracted away by educational and employment opportunities and they subsequently work and often stay in cities, whilst their parents remain in rural areas (Wang and Zhao, Reference Wang and Zhao2011; Chen et al., Reference Chen, Yang and Aagard2012, Reference Chen, Leeson and Liu2017). Consequently, the empty nest phenomenon has tended to be more severe in rural than in urban areas (Gao et al., Reference Gao, Wei, Shen, Tang and Yang2014). Subsequent continuing separation and isolation could reduce the quality as well as frequency of relationships between older adults and their children (Chen et al., Reference Chen, Yang and Aagard2012). For older people in urban areas, the fundamental changes in economic, demographic and social structures coming with urbanisation have also been accompanied by certain changes in social attitudes towards older people (Feng et al., Reference Feng, Jones and Phillips2019). In addition, rapid socio-economic development and demographic changes are widely assumed to be associated with a generalised decline in close family relationships and also in the tenets of support via filial piety, whether or not this is correct (Phillips and Cheng, Reference Phillips, Cheng, Scharf and Keating2012; Phillips and Feng, Reference Phillips, Feng, Wu and Frazier2018). On the other hand, the housing reforms since the 1990s mean more housing availability and accommodation of better quality, which can enable some older people who prefer to live alone to do so in urban areas (Meng and Luo, Reference Meng, Luo, Gustafsson, Li and Sicular2008). These older people would generally be ‘voluntary’ empty nesters in urban areas. In comparison, in rural areas, many older people who live alone would likely be involuntary empty nesters, as their children or grandchildren have left home and work in urban areas. Different preferences and constraints underpin varieties in older persons' living arrangements in rural and urban areas which could result in different forms and extents of social exclusions in both areas. The combination of different economic conditions, culture, lifestyle, and exclusion from family and society in rural and urban areas, may well bring different challenges to the health of older empty nesters and non-empty nesters in China. Indeed, the increasingly evident differentials between urban and rural areas in China could increase social exclusion and differential health outcomes between empty nesters and non-empty nesters, and between empty nesters living alone and empty nesters living with a spouse. As increasing numbers of older people are and will become empty nesters in China, as well as globally, research comparing social exclusion and health among empty nesters and non-empty nesters is crucial.

Methods

Data

This study used the first wave of a national representative sample of the China Longitudinal Aging Social Survey (CLASS) which was conducted in 2014. This survey used a multistage sampling method. Primary sampling units were randomly selected with a ‘proportionate to population size’ sampling technique and county-level units (counties, county-level cities and districts) within provinces were selected as primary sampling units. Secondary sampling units were set as villages (cun) in rural areas and neighbourhoods (shequ or juweihui) in urban areas. There were 11,511 persons aged 60 and older in 476 villages/urban neighbourhoods within 134 counties covering 28 of 31 provinces (or municipalities) in China. We excluded childless and never-married older adults from CLASS. The data employed in this study include 7,923 respondents for whom complete responses are available.

The key dependent variables included four dimensions of social exclusion and three types of health outcomes. Four dimensions of social exclusion were constructed according to Kneale's (Reference Kneale2012) report: exclusion from social relationships, subjective feeling of exclusion, exclusion from social activities and exclusion from financial products; the three types of health outcomes are self-rated health (SRH), depression and whether an activity of daily living (ADL) difficulty was reported.

Exclusion from social relationships

Social relationships refer to the relationships with children, friends and other immediate family members. Respondents were asked the frequency of receiving help from a child, meeting with a child and contact with a child by phone, and they were allocated 0, 0.25, 0.5, 0.75 and 1, respectively, from ‘almost never’, ‘couple of times a year’, ‘at least once a month’, ‘at least once a week’ to ‘almost every day’ for up to four children (maximum 1 for each question). Respondents were also allocated 0, 0.5, 1 and 1.5 for ‘number of close relationships with children’, from ‘none’, ‘one close child’, ‘two close children’ and ‘more than two close children’. Regarding the relationship with friends and immediate family, the number of friends/immediate family (ranging from ‘none’, ‘one’, ‘two’, ‘three or four’, ‘five to eight’ and ‘nine and above’) that they were able to meet each month, with whom they felt comfortable talking about private affairs and who were able to provide their help when needed, were assigned 0, 0.2, 0.4, 0.6, 0.8 and 1, respectively. Scores were summed to give an overall scale ranging from 0 to 26. Higher scores indicate a lower level of exclusion from social relationships.

Subjective feeling of exclusion

The frequency of respondent's feelings of being ignored, isolated and lonely in the last week were assigned 0, 0.5 and 1, respectively, for ‘always’, ‘sometimes’ or ‘no’. In addition, 0, 0.25, 0.5, 0.75 and 1 were assigned for respondent's agreement (from ‘completely agree’, ‘agree’, ‘fair’, ‘disagree’ and ‘completely disagree’) with the view of feeling isolated because of their age, feeling of growing old as a form of loss (such as experiencing poorer health and loss of friends) and feeling that it is more difficult to make new friends. Scores were constructed by summing the points from these questions from 0 to 6. Again, a higher score indicates a lower level of subjective feeling of exclusion.

Exclusion from social activities

Respondents identified activities in which they had participated during the past three months, such as community security patrols, help for other older people, environmental protection, dispute resolution, chatting with others for psychological advice, providing professional volunteer services (such as to visit clinics), taking care of another family's children and any other participation. Respondents were allocated 0 if they did not participate in any activity (‘excluded’) and 1 if they participated in at least one social activity (‘not excluded’).

Exclusion from financial products

Financial products include short-term incomes (income from own labour and work as main financial sources), medium-term products (savings and other financial products) or long-term products (pensions and pension support), and respondents were assigned scores of 2, 1 and 2, respectively, for having such products. Scores were constructed by summing the points from these products from 0 to 5, and we dichotomised this into 0 (‘excluded’) for scores 0–2 and 1 (‘not excluded’) for scores 3–5 following Kneale's (Reference Kneale2012) cut-off point.

In terms of three health outcomes, SRH, depression and difficulty with performing ADLs were considered to represent physical and mental health outcomes. SRH has been found to be a reliable and sensitive indicator of an individual's current health status (Wu and Schimmele, Reference Wu and Schimmele2006), and was scored on the scale: ‘good’ (very good or good), ‘fair’, ‘poor’ (poor or very poor); depression was measured as to whether respondents felt depressed during the last week; one's difficulty with ADLs includes six basic activities of dressing, bathing, eating, continence control, walking indoors and using the lavatory. The response categories for these indicators were: ‘do not require assistance’, ‘require some assistance’ and ‘cannot do it’. A binary variable was constructed for a person's difficulty with ADLs as in previous studies in China (i.e. Evandrou et al., Reference Evandrou, Fakingham, Feng and Vlachantoni2014). If a respondent reported ‘require some assistance’ or ‘cannot do it’ in any activity, he or she has difficulty with ADLs (score of 1); zero represents no difficulty at all for any of the six ADLs.

The main independent variable, ‘empty nester’, was defined as older people who were living alone or living with a spouse only, whilst all other living arrangements with any child(ren) (i.e. living with children only, living with a spouse and children, and others (children and siblings or other relatives)) were recoded as non-empty nest older people (i.e. Zhai et al., Reference Zhai, Yi, Shen, Xiao, Fan, He, Li, Wang, Shang and Lin2015; Gao et al., Reference Gao, Li, Zhang, Gu, Zhang, Li, Zhang and Tian2017). In the analysis, living alone and living with a spouse only within the ‘empty nest’ category were further explored as support from a spouse might decrease the feelings of loneliness of older people (Wang and Zhao, Reference Wang and Zhao2011).

Control variables

Age, gender, ethnicity, urban–rural residency, educational attainment, being economically active, total personal income in the last year and housing tenure were used as control variables in this study (following Zhai et al., Reference Zhai, Yi, Shen, Xiao, Fan, He, Li, Wang, Shang and Lin2015; Chen et al., Reference Chen, Leeson and Liu2017; Gao et al., Reference Gao, Li, Zhang, Gu, Zhang, Li, Zhang and Tian2017).

Analytic strategy

We began by exploring descriptive statistics regarding empty nest and non-empty nest, and among older people who were living alone or with a spouse only within the empty nest. An OLS model was used to examine the differentials of exclusion from social relationships and subjective feeling of exclusion between ‘empty nest’ and ‘non-empty nest’ older people, and a binomial logistic to examine the differentials of exclusion from social activities and exclusion from financial products between ‘empty nest’ and ‘non-empty nest’ older people. A binomial logistic regression was used to examine the differentials in the difficulty with ADLs between ‘empty nest’ and ‘non-empty nest’ older people, and a multinomial logistic regression was used to investigate the differentials of SRH between these two groups. Different methods were used according to the different number of response categories of the dependent variables. The analysis consists of a sequence of three models:

  • Model 1 only includes living arrangements to explore differences between empty nesters and non-empty nesters.

  • Model 2 is based on Model 1 and additionally includes control variables to explore how the coefficients on the empty nester dummy changes when control variables are included.

  • Model 3 includes interactions between living arrangements and residence to explore how differences between older empty nesters and non-empty nesters vary according to urban and rural residence.

Results

Descriptive analysis

Empty nesters versus non-empty nesters

Table 1 presents descriptive statistics between empty nesters and non-empty nesters. Empty nesters were significantly more likely to be excluded from social relationships (8.29 versus 9.70), to express a feeling of being excluded than non-empty nesters (4.09 versus 4.18) (one-way analysis of variance test) and excluded from social activities (80% versus 77%) than non-empty nesters (Pearson's χ2 test). In terms of health outcomes, empty nesters were significantly more likely to express no difficulty with ADLs (92% versus 90.6%) than non-empty nesters. For the covariate characteristics, empty nesters were significantly more likely to be of older age (70 versus 69), male (55.1% versus 52.9%), Han-Chinese (95.4% versus 92.3%), have high school and above level of educational attainment (24.7% versus 16%), be in the highest quintile of personal income (26.8% versus 19.4%) and own any property (91.1% versus 83.5%) than non-empty nesters.

Table 1. Descriptive analysis of the sample

Living alone versus living with a spouse only

Table 1 also presents descriptive statistics of empty nesters who were living alone and those who live with a spouse only. Empty nesters who live with their spouse only were significantly less likely to feel being excluded than those living alone (4.22 versus 3.70); and they were significantly more likely to report good SRH (48% versus 43.8%) and no depression (73.2% versus 59.4%) than those living alone. In terms of covariate characteristics, empty nesters with spouse only were significantly more likely to be of younger old age (69 versus 73), male (60.1% versus 40.9%), have high school and above level of educational attainment (26.5% versus 19.7%), economic activity (21.1% versus 15.1%), in the highest quintile of personal income (29% versus 20.5%) and own any property (93.1% versus 85.3%) than those who were living alone.

Regression analysis

Differentials in social exclusion and health outcomes between empty nesters and non-empty nesters

Table 2 presents three OLS models for exclusion from social relationships. Model 1 shows that, compared to non-empty nesters, empty nesters were associated with higher levels of exclusion from social relationships. In Model 2, all control variables were added and there were no substantial changes in the coefficients on the empty nesters. In terms of the coefficient of control variables, the coefficient of 0.12 for age is significant and, being positive, indicates that the older the older persons, the lower their level of exclusion from social relationships. Older people who were female, non-Han-Chinese, rural residents, and not owning any property, were significantly associated with lower levels of exclusion from social relationships. Older people with middle school or high school education and in the third quintile income category were associated with higher levels of exclusion from social relationships. Model 3 shows that there were no significant differentials between older empty nesters and non-empty nesters according to residence in urban and rural areas.

Table 2. Multivariate model results for exclusion from social relationships

Note: Ref.: reference group.

Significance levels: * p < 0.1, ** p < 0.05, *** p < 0.01.

In terms of the results for subjective feeling of exclusion, the results in Model 1 show that, compared to non-empty nesters, the scores of lower levels of subjective feeling of exclusion for empty nesters decreased by 0.1 units. Again, there were no substantial changes in the coefficients on the empty nester while all control variables and living arrangements were included in Model 2. Older age was associated with a higher level of subjective feeling of exclusion (coefficient = −0.01). Compared to urban residents and those without owning any property, the scores of lower level of subjective feeling of exclusion for rural residents and those owning their property decreased by 0.19 and 0.13 units, respectively; older people who were females, economically active, with formal educational attainment (elementary, middle school, or high school and above) and in higher income categories (the third, fourth and top quintile) were associated with a lower level of subjective feeling of exclusion. Model 3 shows that empty nesters in rural areas were significantly negatively associated with a lower level of subjective feeling of exclusion (coefficient = −0.13) (Table 3).

Table 3. Multivariate model results for subjective feeling of exclusion

Note: Ref.: reference group.

Significance levels: * p < 0.1, ** p < 0.05, *** p < 0.01.

In terms of the results for exclusion from social activities, the results in Model 1 show that empty nesters were less likely to participate in social activities than non-empty nesters. In Model 2, there were no substantial changes in the coefficients on the empty nesters when all control variables were added. In terms of the coefficient of control variables, there was a marked non-linear association between age and exclusion from social activities: younger older people aged below around 70 had greater odds of participating in social activities, but for older old persons, the odds of participating in social activities reduced as age increased. Older people who were female, non-Han-Chinese, with middle school or high school and above educational attainment, were economically active and with incomes above the lowest quintile were significantly more likely to participate in social activities than those who were male, Han-Chinese, without formal educational attainments, economically inactive and in the lowest quintile of income. The interaction between living arrangements and residence was not significant in Model 3 (Table 4).

Table 4. Multivariate model results for exclusion from social activities

Note: Ref.: reference group.

Significance levels: * p < 0.1, ** p < 0.05, *** p < 0.01.

Table 5 presents the results for exclusion from financial products. The results in Model 1 show that no significant differences of exclusion from financial products were found between empty nesters and non-empty nesters in Model 1. There were no substantial changes in the coefficients on the empty nester while all control variables were included in Model 2. Older people who were male, rural residents, economically active, with income above the lowest quintile and who own property were significantly more likely to have financial products than older people who were female, urban residents, economically inactive, had the lowest quintile income and who did not own any property. The interaction results in Model 3 show that empty nesters in rural areas were significantly more likely to have financial products than the reference group (odds ratio = 1.3).

Table 5. Multivariate model results for exclusion from financial products

Note: Ref.: reference group.

Significance levels: * p < 0.1, ** p < 0.05, *** p < 0.01.

In terms of health outcomes, Tables 6–8 present the multinomial logistic regression model for SRH (reference group: good health), the binary logistic regression model for whether the repondents have depression and whether they reported ADL difficulties. The results in Model 1 show that empty nesters were significantly less likely to report fair SRH and ADL difficulties than non-empty nesters, but empty nesters were more likely to report having depression than non-empty nesters. There were no substantial changes in the results for three health outcomes between Models 1 and 2. In terms of the associations between control variables and health outcomes in Model 2, a quadratic term for age was found to be associated with fair or poor SRH and depression. Below around 80 years old, older people had greater odds of reporting fair or poor SRH and depression while, for those aged over 80 years old, the odds of reporting fair or poor SRH and depression reduced as age increased and the odds of reporting ADL difficulties increased with age. Females were significantly more likely to report having poor SRH, depression and ADL difficulties than males. Higher educational attainment and income were associated with lower odds of reporting poor health, depression and ADL difficulties. Older people who were economically active were less likely to report having poor SRH, depression and ADL difficulties than those who were economically inactive. Older rural residents and those who did not own any property were more likely to report poor health than urban residents, and those who owned any property. With regard to the interaction between living arrangements and residence, only empty nesters in rural areas were significantly (at the 10% level) more likely to report having fair health than the reference group (odds ratio = 1.23).

Table 6. Multivariate model results for self-rated health

Note: Ref.: reference group.

Significance levels: * p < 0.1, ** p < 0.05, *** p < 0.01.

Table 7. Multivariate model results for depression

Note: Ref.: reference group.

Significance levels: * p < 0.1, ** p < 0.05, *** p < 0.01.

Table 8. Multivariate model results for activities of daily living

Note: Ref.: reference group.

Significance levels: * p < 0.1, ** p < 0.05, *** p < 0.01.

Differentials in social exclusion and health outcomes between empty nesters who were living alone and those who were living with a spouse only

The associations between control variables and social exclusion and the associations between control variables and health outcomes among empty nesters were similar to those in the whole sample, therefore, the results of differentials in social exclusion and health outcomes between empty nesters who were living alone and those who live with a spouse only were summarised in Table 9 (Models 1–3). The full results can be found in the online supplementary material. The multivariate models' results in Model 1 show that, compared to those who live with a spouse only, empty nesters who were living alone were negatively associated with a lower level of exclusion from social relationships and subjective feeling of exclusion, and empty nesters who were living alone were more likely to participate in social activities. There were no substantial changes in the coefficients or odds ratios on the empty nesters who were living alone while all control variables were included in Model 2. Regarding the interaction between living arrangements and residence in Model 3, empty nesters who were living alone in rural areas were significantly associated with higher levels of exclusion from social relationships and more likely to be excluded from financial products than the reference group.

Table 9. Summary of multivariate model results (Models 1–3) for four dimensions of social exclusion and health outcomes for empty nesters who were living alone and with a spouse only

Notes: Ref.: reference group. ADL: activities of daily living.

Significance levels: * p < 0.1, ** p < 0.05, *** p < 0.01.

In terms of health outcomes, in Model 1, empty nesters who were living alone were significantly more likely to report poor SRH than those living with a spouse only, while such significant differentials have been explained by control variables in Model 2. Empty nesters who were living alone were also significantly more likely to report depression than those who were living with their spouse only and such association remains significant after controlling for covariates. However, empty nesters who were living alone were significantly less likely to report ADL difficulties than those who were living with a spouse only, even after controlling for covariates. The interactions between living arrangements and residence were not significant for all health outcomes.

Discussion and conclusion

This study used a nationally representative dataset to study the characteristics of empty nest and non-empty nest older people in China and to further explore differentials in social exclusion and health between empty nest and non-empty nest older people, and between those older persons living alone and living with a spouse only. The descriptive findings in this study reinforce previous studies showing that older people of higher socio-economic status increasingly tend to choose to live independently in China (Sereny, Reference Sereny2011; Guo et al., Reference Guo, Zhang, Huang, Zheng, Pan and Zheng2016).

Differentials in social exclusion between empty nesters and non-empty nesters

The findings provide evidence that empty nesters are significantly associated with higher levels of exclusion from social relationships and subjective feelings of being excluded, and also less likely to participate in social activities than non-empty nesters. This may not be surprising as the empty nest syndrome effectively results from or reflects loosened relationships with family members and could develop into exclusion from social relationships, particularly from relationships with children (Chen et al., Reference Chen, Yang and Aagard2012). The syndrome also impacts on all aspects of society in which older people engage (particular organisations that provide services to older adults) and influences their participation in social activities. In China as elsewhere, loneliness is a common feature of the empty nest syndrome (Wang et al., Reference Wang, Hu, Xiao and Zhou2017; Huang et al., Reference Huang, Du, Liu, Guo, Zhang, Qin and Liu2019) which results in older empty nesters being more likely to feel they were being excluded (ignored, isolated and lonely) in their later lives. In addition, being rural empty nesters was significantly associated with higher levels of subjective feelings of exclusion, but empty nesters in rural areas were significantly more likely to have financial products than the reference group. This may reflect the serious physical and social isolation in rural areas when younger generations subsequently work and remain to live in cities, whilst their parents remain in rural areas which could increase feelings of exclusion. One explanation is that the combination of development of rural pensions, as the Chinese government anticipates providing full coverage of rural pensions in all rural areas (Helpage International, 2015), and potentially more remittance funds from children who have moved away (Chen et al., Reference Chen, Leeson and Liu2017) could be enabling empty nesters in rural areas to participate in financial products more than non-empty nesters.

Among empty nesters, it is not surprising that living alone was associated with higher levels of being excluded from social relationships and to subjective feelings of being excluded than living with a spouse only. Barnes et al. (Reference Barnes, Blom, Cox, Lessof and Walker2006) also found that living alone is related to exclusion from social relationships and civic activities in the United Kingdom (UK). In a later study, Kneale (Reference Kneale2012) also found that living alone and those who started to live alone can relate to exclusion from social relationships and civic activities in the UK. Spouses can often provide support and help to maintain better health behaviours of married individuals (via contact with family members), perhaps decreasing feelings of loneliness (Manzoli et al., Reference Manzoli, Villari, Prirone and Boccia2007; Wang and Zhao, Reference Wang and Zhao2011). Indeed, being rural empty nesters who were living alone was significantly associated with higher levels of exclusion from social relationships and a greater likelihood of being excluded from financial products than the reference group. This indicates that those who were living alone in rural areas form the most vulnerable group as they lack social relationships as well as financial support for their later life.

Differentials in health outcomes among empty nesters and non-empty nesters

In terms of physical health, empty nesters were significantly less likely to report fair SRH and ADL difficulties than non-empty nesters. These findings are somewhat inconsistent with some previous research in China which indicates that being an empty nester can have a significantly adverse influence on older people's physical health (i.e. Xie et al., Reference Xie, Zhang, Peng and Jiao2010; Zhai et al., Reference Zhai, Yi, Shen, Xiao, Fan, He, Li, Wang, Shang and Lin2015; Gao et al., Reference Gao, Li, Zhang, Gu, Zhang, Li, Zhang and Tian2017; Wang et al., Reference Wang, Hu, Xiao and Zhou2017; Zhang et al., Reference Zhang, Hou, Zheng, Zhu, Zhao, Lu, Cheng, Yang and Yang2019a). It could be that mundane daily factors such as not having to carry out household chores for the entire family or to care for grandchildren could prevent a decline in empty nesters' physical functioning. Such factors could explain why empty nesters were significantly less likely to report fair SRH and ADL difficulties than non-empty nesters. In terms of mental health, empty nesters were more likely to report having depression than non-empty nesters, consistent with previous research in China (such as Yuan et al., Reference Yuan, Zheng and Hui2021) and Western studies (e.g. Aranda, Reference Aranda2015; Courtin and Avendano, Reference Courtin and Avendano2016). Non-empty nesters' emotions could be more easily monitored and they can more easily access emotional and instrumental support from their (co-resident) children than empty nesters. Among empty nesters, people living alone were less likely to report ADL difficulties than those who were living with a spouse only. Li et al. (Reference Li, Zhang and Liang2009) also found that people living alone fared better than those in other living arrangements in terms of ADL disability. People living alone were more likely to report having depression than those who were living with a spouse only, which indicates that such people living alone are the most vulnerable to depression and could be a policy target group.

Whilst providing novel findings and insights from a large dataset, we should mention at least four limitations associated with this dataset and hence the findings. First, CLASS lacks information on how long older people have been empty nesters. Therefore, we are not able to explore the potential cumulative effects of being longer-term empty nesters on older people's social exclusion and health. Second, this is a cross-sectional study; it therefore reflects the risks of selectivity problems such as health outcomes which would determine a family's decisions on living arrangements. Older people in good health may want to live with their children and feel socially integrated through providing daily activities or child care to their children (voluntary); or a child may choose or need to live with his or her parents because of their declining health (involuntary). Third, it would be worthwhile to explore issues such as performance of household chores by non-empty nesters, which could help to understand differential health outcomes between empty and non-empty nesters. However, the CLASS data, like those in many major studies, lack such information. Fourth, the variable ‘exclusion from social relationships’ includes frequency of meeting with a child, which results in an endogenous relationship between living with a child and having frequent meetings with the child, as living with a child inevitably increases the frequency of contact with a child. However, it is not appropriate to simply exclude child(ren) who live with older people, and this variable was constructed and applied as Kneale (Reference Kneale2012) did.

This paper nevertheless provides important insights into the growing challenges of the increasing ‘empty nest’ phenomenon among older people in China and informs this growing global phenomenon among ageing societies. Although the results may or may not be causal, the results highlight the need to develop more comprehensive social support in the community to address the involuntary empty nest syndrome, especially as it is likely to increase substantially in the future (i.e. Su et al., Reference Su, Wu, Zhang, Li, Wang, Zhang and Zhou2012; Zhang et al., Reference Zhang, Zhao, Zhu, Lu, Hou, Yang, Yin and Yang2019b). In the coming decades, the introduction of the ‘two-child policy’ notwithstanding, older people in China will have fewer children and fewer contacts, and there is a higher likelihood that many people will eventually live alone or with their spouse only. This calls for the development of more specifically age-friendly communities which provide sufficient social support to ensure involuntary empty nesters (particular those living alone) will have safe and supportive social networks to maintain their social relationships and to encourage residents to participate in social activities when their children are absent. Psychological counselling services are also likely to be required to help empty nesters face and ameliorate the effects of social exclusion stemming from possible ageism (accidental and deliberate) and social isolation. There is also a need to develop social security further to ensure that older empty nesters living alone in rural areas can access appropriate financial products, services and advice.

In conclusion, older people who were empty nesters in this study appeared more vulnerable to social exclusion than non-empty nesters in terms of exclusion from social relationships and activities, and subjectively feeling being excluded. Empty nesters were significantly less likely to report fair SRH and ADL difficulties than non-empty nesters but they were more likely to report having depression than non-empty nesters. Empty nesters were more likely to report having depression than non-empty nesters, which has also been found in Western studies (i.e. Aranda, Reference Aranda2015; Courtin and Avendano, Reference Courtin and Avendano2016). Those living alone in rural areas, unsurprisingly, form the most vulnerable group as they lack social relationships as well as financial security in their old age. In the UK, Kneale (Reference Kneale2012) found that living alone was a risk factor for social exclusion; it appeared to be a significant barrier to participation in social relationships, civic activities, and access to information, local amenities and financial products. The findings of this study lend strong support to the need for policies to be developed and implemented to support the health-related needs of older involuntary empty nesters.

Supplementary material

The supplementary material for this article can be found at https://doi.org/10.1017/S0144686X22000149.

Acknowledgements

Data analysed in this study were collected by the research project ‘China Longitudinal Aging Social Survey (CLASS)’, sponsored by Renmin University of China. The CLASS research project was conducted by the Institute of Gerontology and National Survey Research Center of Renmin University. The authors acknowledge the assistance in providing the data from the institutes and individuals aforementioned. The views expressed in this paper are the authors' own.

Financial support

This work was supported by a Major Project of the National Social Science Foundation of China (21ZDA103) and the National Natural Science Foundation of China (42171196).

Conflict of interest

The authors declare no conflicts of interest.

Ethical standards

No ethical approval was required, as the analysis for this paper used secondary data collected by the nationally representative dataset China Longitudinal Aging Social Survey (CLASS).

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Figure 0

Table 1. Descriptive analysis of the sample

Figure 1

Table 2. Multivariate model results for exclusion from social relationships

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Table 3. Multivariate model results for subjective feeling of exclusion

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Table 4. Multivariate model results for exclusion from social activities

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Table 5. Multivariate model results for exclusion from financial products

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Table 6. Multivariate model results for self-rated health

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Table 7. Multivariate model results for depression

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Table 8. Multivariate model results for activities of daily living

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Table 9. Summary of multivariate model results (Models 1–3) for four dimensions of social exclusion and health outcomes for empty nesters who were living alone and with a spouse only

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