A healthful diet and sufficient physical activity (PA) are related to several health outcomes. However, there is a paucity of data on the association between PA and dietary pattern with life satisfaction (LS) in the older adults aged ≥65. This study investigated the independent and combined association of PA and Baltic Sea diet (BSD) score with LS in older Finnish women. Subjects were 554 women aged 65-72 years from the OSTPRE-Fracture Prevention Study. Women reported the hours and type of PA and lifestyle factors via questionnaires, and dietary intake using three-day food record. Adequate PA was considered according to World Health Organization (WHO) recommendation: PA=0, 0<PA<2·5 and ≥2·5 hours/week. BSD score was categorized based on <13 or ≥13 as median score. LS was self-reported using LS scale with four-items on current ‘interest’, ‘happiness in life’, ‘ease of living’ and ‘feelings of loneliness’ (range: 4-20, lower score representing higher satisfaction). After adjusting for the confounders, PA was statistically significantly associated with lower LS score (coefficient β=-0·207, P=0·001), where women with PA=2·5 h/week had the lowest LS score followed by women with 0<PA<2·5 and PA=0 (P for trend=0·020). Association between BSD and LS was not significant. Only among women with BSD score=13, but not BSD<13, PA=2·5 h/week was statistically significantly associated with lower LS score (mean=9·3), followed by 0<PA<2·5 (mean=9·9) and PA=0 groups (mean=11·8) (P for trend= 0·033). In conclusion, adequate PA according to WHO recommendation independently and in combination with higher BSD score maybe associated with higher LS in older women.
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