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Do mobility, cognitive functioning, and depressive symptoms mediate the association between social activity and mortality risk among older men and women?

Abstract：

:Social activity and health correlate in old age, but less is known about what explains this association. The aim of this study was to investigate whether mobility, cognitive functioning, and depressive symptoms mediate the association between social activity and mortality risk, or whether they alternatively should be considered as prerequisites for social activity in older Finnish men and women. In 1988, 406 men and 775 women aged 65-84 years took part in face-to-face interviews about their health, socioeconomic status, and social activities. Confirmatory factor analyses were used to form latent variables describing collective and productive social activity. Latent variable models were used to investigate the possible pathways among social activity, mobility, cognitive functioning, depressive symptoms, and mortality risk. In the 21-year follow-up, 89 % of men and 81 % of women had died. Collective and productive social activity correlated with a lower risk for mortality among men and women. Part of the association between social activity and mortality was mediated by mobility. Cognitive functioning and depressive symptoms were not mediators in the association. Instead, good cognitive functioning and having less depressive symptoms were prerequisites for participating in collective social activity among men and women. Among men, good cognitive functioning, and among women, good cognitive functioning and having less depressive symptoms were prerequisites for productive social activity. The health-enhancing influences of social activity may be partly explained by better mobility among persons who are socially active. Moreover, social activity may maintain mobility and thus decreases mortality risk, as many social activities also include physical activity. Better cognitive functioning and having less depressive symptoms should be considered as prerequisites for participating in social activities.

journal_name

Eur J Ageing

journal_title

European journal of ageing

authors

Katja P,Timo T,Taina R,Tiina-Mari L

doi

10.1007/s10433-013-0295-3

subject

Has Abstract

pub_date

2013-10-01 00:00:00

pages

121-130

issue

eissn

1613-9372

issn

1613-9380

pii

295

journal_volume

pub_type

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Do mobility, cognitive functioning, and depressive symptoms mediate the association between social activity and mortality risk among older men and women?