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BackgroundSocial capital is associated with health behaviours and health. Our objective was to explore how different dimensions of social capital and health-related behaviours are associated, and whether health behaviours mediate this association between social capital and self-rated health and psychological well-being.MethodsWe used data from the Health 2000 Survey (n=8028) of the adult population in Finland. The response rate varied between 87% (interview) and 77% (the last self-administered questionnaire). Due to item non-response, missing values were replaced using multiple imputation. The associations between three dimensions of social capital (social support, social participation and networks, trust and reciprocity) and five health behaviours (smoking, alcohol use, physical activity, vegetable consumption, sleep) were examined by using logistic regression and controlling for age, gender, education, income and living arrangements. The possible mediating role of health behaviours in the association between social capital and self-rated health and psychological well-being was also analysed with a logistic regression model.ResultsSocial participation and networks were associated with all of the health behaviours. High levels of trust and reciprocity were associated with non-smoking and adequate duration of sleep, and high levels of social support with adequate duration of sleep and daily consumption of vegetables. Social support and trust and reciprocity were independently associated with self-rated health and psychological well-being. Part of the association between social participation and networks and health was explained by physical activity.ConclusionsIrrespective of their social status, people with higher levels of social capital – especially in terms of social participation and networks – engage in healthier behaviours and feel healthier both physically and psychologically.

In Finland, members of the Swedish-speaking minority, many of whom live in the province of Ostrobothnia, intermingle with the Finnish-speaking majority. Although the two language communities are quite similar to each other in most societal respects, including socioeconomic status, education and use of health services, significant disparities have been reported in the morbidity, disability and mortality between the Swedish-speaking minority and the Finnish-speaking majority. Since the population genetic, ecological and socioeconomic circumstances are equal, Swedish speakers' longer active life is difficult to explain by conventional health-related risk factors. A great deal of health inequality (between the language groups) seems to derive from uneven distribution of social capital, i.e. the Swedish-speaking community holds a higher amount of social capital that is associated with their well-being and health. Factor analysis revealed four patterns of social capital measures, i.e. voluntary associational activity, friendship network, religious involvement and hobby club activity, of which associational activity, friendship network and religious involvement were significantly associated with good self-rated health. Also, trustful friendship network, hobby club activity and religious involvement as well as avoidance of intoxication-prone drinking behavior were significantly more frequent among the individuals of the Swedish-speaking community. We suggest that health promotion should seek ways of working which would encourage social participation.

Our findings suggest that trust and reciprocity and social participation and networks contribute to good self-rated health and psychological well-being.

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Individual-level social capital was assessed for prediction of mortality in a nationally representative study population aged 30-99 years at the baseline. A total of 90% of the original sample had participated in a comprehensive health examination (Mini-Finland Health Survey) in 1978-1980. After the first 5 years of the 24-year follow-up period, 1,196 of 3,014 men and 1,280 of 3,689 women died. Individual-level social capital was determined by factor analysis that revealed three factors: residential stability, leisure participation and interpersonal trust. Factor analysis showed a gender difference in leisure social participation. All-cause mortality and cardiovascular mortality were analyzed using Cox proportional hazard models. Adjusted for demographic, life style and biological risk factors, and for health and socio-economic status, leisure participation was associated with reduced all-cause mortality in men (hazard ratio, HR: 0.94; 95% confidence interval, CI: 0.89-1.00). This association seems to be related to economic status in men. Age modifies the effect of interpersonal trust on all-cause mortality in men. In women, leisure participation (HR: 0.96; 95% CI: 0.91-1.00) and interpersonal trust (HR: 0.69; 95% CI: 0.51-0.93) predicted all-cause mortality, and the latter also cardiovascular mortality (HR: 0.93; 95% CI: 0.86-1.00). The associations between individual-level social capital and mortality are gender- and age-related. Understanding the gender and age perspectives appears to be essential for better insight into the interrelations between social capital and health.

The authors study whether leisure participation is an independent predictor of survival over 20 years. Of the nationally representative sample of 8000 adult Finns (Mini-Finland Health Survey), aged >or=30 years, the cohort of 30-59 years (n 5087) was chosen for the Cox proportional survival analyses. The sum score of leisure participation was divided in quartiles (the lowest quartile = scarce = 0-6), two intermediate quartiles = 7-11 and the highest quartile = abundant = 12-21). Adjusted for statistically significant covariates (age, tobacco smoking, alcohol consumption, obesity, self-rated health and diagnosed chronic diseases), and with scarce participation as the reference, the hazard ratios and 95% confidence intervals (CIs) for the risk of death were 0.80, 0.67-0.95 (intermediate) and 0.66, 0.52-0.84 (abundant) for men. The association was insignificant in women with good health. The results show that leisure participation predicts survival in middle-aged Finnish men and its effect is independent of demographic features, of health status and of several other health-related factors. The beneficial effect emphasizes the significance of leisure activities for the promotion of men's health.

We performed ecological and individual register studies to compare disability-free life expectancies and disability pensions among Swedish-speaking and Finnish-speaking Finns residing on the western coast of Finland. The study was conducted to establish our assumption that the Swedish-speaking ethnic minority has a longer active life than the Finnish-speaking majority and to show that this disparity can be seen in a limited geographical area with similar socio-economic and health service structures. We suggest that the observed disparities in active life and in mortality depend on differences in the extent of social capital. A detailed characterization of the social capital and its impact on the health of the Swedish-speaking individuals is in progress.