1. UNICEF, World Health Organization & International Bank for Reconstruction and Development/The World Bank (2018) Levels and Trends in Child Malnutrition: UNICEF–WHO–World Bank Group Joint Child Malnutrition Estimates. New York/Geneva/Washington, DC: UNICEF/WHO/World Bank.
2. World Health Organization (2016) Report of the Commission on Ending Childhood Obesity. Geneva: WHO.
3. Haire-Joshu, D & Nanney, MS (2002) Prevention of overweight and obesity in children: influences on the food environment. Diabetes Educ 28, 415–423.
4. Baranowski, T, Domel, S, Gould, R et al. (1993) Increasing fruit and vegetable consumption among 4th and 5th grade students: results from focus groups using reciprocal determinism. J Nutr Educ 25, 114–120.
5. Baranowski, T, Cullen, KW & Baranowski, J (1999) Psychosocial correlates of dietary intake: advancing dietary intervention. Annu Rev Nutr 19, 17–40.
6. Trost, SG, Sallis, JF, Pate, RR et al. (2003) Evaluating a model of parental influence on youth physical activity. Am J Prev Med 25, 277–282.
7. Dempsey, JM, Kimiecik, JC & Horn, TS (1993) Parental influence on children’s moderate to vigorous physical activity participation: an expectancy-value approach. Pediatr Exerc Sci 5, 151–167.
8. Mazarello Paes, V, Ong, KK & Lakshman, R (2015) Factors influencing obesogenic dietary intake in young children (0–6 years): systematic review of qualitative evidence. BMJ Open 5, e007396.
9. Henderson, KE, Grode, GM, O’Connell, ML et al. (2015) Environmental factors associated with physical activity in childcare centers. Int J Behav Nutr Phys Act 12, 43.
10. World Health Organization (2017) WHO Expert Consultation on Public Health Intervention Against Early Childhood Caries: Report of a Meeting, Bangkok, Thailand, 26–28 January 2016. Geneva: WHO.
11. Castilho, AR, Mialhe, FL, Barbosa Tde, S et al. (2013) Influence of family environment on children’s oral health: a systematic review. J Pediatr (Rio J) 89, 116–123.
12. National Statistics, (2017
) Education Provision: Children Under 5 Years of Age, January 2017
. London: Department for Education.
13. Wright, JA, Adams, WG, Laforge, RG et al. (2014) Assessing parental self-efficacy for obesity prevention related behaviors. Int J Behav Nutr Phys Act 11, 53.
14. Strecher, VJ, DeVellis, BM, Becker, MH et al. (1986) The role of self-efficacy in achieving health behavior change. Health Educ Q 13, 73–92.
15. Bandura, A (1997) Self-Efficacy: The Exercise of Control. New York: W.H. Freeman.
16. Gunnarsdottir, T, Njardvik, U, Olafsdottir, AS et al. (2011) The role of parental motivation in family-based treatment for childhood obesity. Obesity (Silver Spring) 19, 1654–1662.
17. Miller, WR & Rollnick, S (1991) Motivational Interviewing: Preparing People to Change Addictive Behavior. New York: Guilford Publications.
18. Mabiala Babela, JR, Nika, ER, Nkounkou Milandou, KG et al. (2016) Knowledge, attitudes, and practices of parents facing child and adolescent obesity in Brazzaville, Congo. Glob Pediatr Health 3, 2333794X16675546.
19. Ward, DS, Benjamin, SE, Ammerman, AS et al. (2008) Nutrition and physical activity in child care: results from an environmental intervention. Am J Prev Med 35, 352–356.
20. Kipping, R, Jago, R, Metcalfe, C et al. (2016) NAP SACC UK: protocol for a feasibility cluster randomised controlled trial in nurseries and at home to increase physical activity and healthy eating in children aged 2–4 years. BMJ Open 6, e010622.
21. Lawlor, DA, Howe, LD, Anderson, EL et al. (2016) The Active for Life Year 5 (AFLY5) school-based cluster randomised controlled trial: effect on potential mediators. BMC Public Health 16, 68.
23. Chief Medical Officers (2011) Start Active, Stay Active: A Report on Physical Activity from the Four Home Countries’ Chief Medical Officers. London
: Department of Health and Social Care.
24. Bland, JM & Altman, DG (1997) Statistics notes: Cronbach’s alpha. BMJ 314, 572.
25. Cohen, J (1968) Weighted kappa: nominal scale agreement with provision for scaled disagreement or partial credit. Psychol Bull 70, 213–220.
26. Landis, JR & Koch, GG (1977) The measurement of observer agreement for categorical data. Biometrics 33, 159–174.
27. Nunnally, JC (1978) Psychometric Theory. New York: McGraw-Hill.
28. de Vet, HCW, Terwee, CB, Mokkink, LB et al. (2011) Measurement in Medicine: A Practical Guide. Cambridge: Cambridge University Press.
29. Vereecken, C, De Pauw, A, Van Cauwenbergh, S et al. (2012) Development and test–retest reliability of a nutrition knowledge questionnaire for primary-school children. Public Health Nutr 15, 1630–1638.
30. Whittaker, KA & Cowley, S (2006) Evaluating health visitor parenting support: validating outcome measures for parental self-efficacy. J Child Health Care 10, 296–308.
31. Leung, C & Lo, SK (2013) Validation of a questionnaire to measure mastery motivation among Chinese preschool children. Res Dev Disabil 34, 234–245.
32. Finlayson, TL, Siefert, K, Ismail, AI et al. (2005) Reliability and validity of brief measures of oral health-related knowledge, fatalism, and self-efficacy in mothers of African American children. Pediatr Dent 27, 422–428.
33. Department for Education (2017) Survey of Childcare and Early Years Providers, England, 2016. London: Department for Education.
34. Hohwu, L, Lyshol, H, Gissler, M et al. (2013) Web-based versus traditional paper questionnaires: a mixed-mode survey with a Nordic perspective. J Med Internet Res 15, e173.
35. Braekman, E, Berete, F, Charafeddine, R et al. (2018) Measurement agreement of the self-administered questionnaire of the Belgian Health Interview Survey: paper-and-pencil versus web-based mode. PLoS One 13, e0197434.
36. Kleinman, L, Leidy, NK, Crawley, J et al. (2001) A comparative trial of paper-and-pencil versus computer administration of the Quality of Life in Reflux and Dyspepsia (QOLRAD) questionnaire. Med Care 39, 181–189.