Association between social capital, health-related quality of life, and mental health: A structural-equation modeling approach

Hassanzadeh, J. and Asadi-Lari, M. and Baghbanian, A. and Ghaem, H. and Kassani, A. and Rezaianzadeh, A. (2016) Association between social capital, health-related quality of life, and mental health: A structural-equation modeling approach. Croatian Medical Journal, 57 (1). pp. 58-65.

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Abstract

Aim To explore the association(s) between demographic factors, socioeconomic status (SES), social capital, healthrelated quality of life (HRQoL), and mental health among residents of Tehran, Iran. Methods The pooled data (n = 31 519) were extracted from a population-based survey Urban Health Equity Assessment and Response Tool-2 (Urban HEART-2) conducted in Tehran in 2011. Mental health, social capital, and HRQoL were assessed using the 28-item General Health Questionnaire (GHQ-28), social capital questionnaire, and Short-Form Health Survey (SF-12), respectively. The study used a multistage sampling method. Social capital, HRQoL, and SES were considered as latent variables. The association between these latent variables, demographic factors, and mental health was determined by structural-equation modeling (SEM). Results The mean age and mental health score were 44.48 ± 15.87 years and 23.33 ± 11.10 (range, 0-84), respectively. The prevalence of mental disorders was 41.76 (95 confidence interval 41.21-42.30). The SEM model showed that age was directly associated with social capital (P = 0.016) and mental health (P = 0.001). Sex was indirectly related to mental health through social capital (P = 0.018). SES, HRQoL, and social capital were associated both directly and indirectly with mental health status. Conclusion This study suggests that changes in social capital and SES can lead to positive changes in mental health status and that individual and contextual determinants influence HRQoL and mental health.

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