ArticleBMJ open2015
Synergistic effect of interaction between perceived health and social activity on depressive symptoms in the middle-aged and elderly: a population-based longitudinal study.
Article in BMJ open, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Cross-country differences in self-rated health: decomposing the influence of depressive symptoms.European journal of public health · 2026Article
- The impact of pain on depression among middle-aged and older adult individuals in China: the chain mediation effect of self-rated health and life satisfaction.Frontiers in public health · 2025Article
- Social activities and long-term depressive-symptoms trajectories among middle-aged and older adults in China: a population-based cohort study.Frontiers in psychiatry · 2023Article
- Participating in Different Activities and Their Association with Mental Health Problems in the Working Disabled Population in Korea.International journal of environmental research and public health · 2022Article
- Identifying the Factors That Affect Depressive Symptoms in Middle-Aged Menopausal Women: A Nationwide Study in Korea.International journal of environmental research and public health · 2020Article
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Authors and funding
5 authors.
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Abstract
objectiveTo examine the synergistic effect of interaction between perceived health and social activity on depressive symptoms.
methodsWe investigated whether the interaction between perceived health and social activity has a synergistic effect on depressive symptoms in the middle-aged and elderly using data from 6590 respondents aged 45 and older in the Korean Longitudinal Study on Aging (KLoSA), 2006-2012. A generalised linear mixed-effects model was used to investigate the association in a longitudinal data form. Depressive symptoms were measured using the Center for Epidemiological Studies Depression 10 Scale (CES-D10). Perceived health and level of social activity were categorical variables with three values. Participation in six social activities was assessed.
resultsInteractions between perceived health status and social activity were statistically significant for almost all social activity/perceived health combinations. Addition of the interaction term significantly decreased CES-D10 scores, confirming the synergistic effect of the interaction between perceived health status and social activity ('normal×moderate', β=-0.1826; 'poor×moderate', β=-0.5739; 'poor×active', β=-0.8935). In addition, we performed stratified analyses by region: urban or rural. In urban respondents, the additional effect of the interaction term decreased CES-D10 scores and all social activity/perceived health combinations were statistically significant ('normal×moderate', β=-0.2578; 'normal×active', β=-0.3945; 'poor×moderate', β=-0.5739; 'poor×active', β=-0.8935). In rural respondents, only one social activity/perceived health combination was statistically significant, and the additional effect of the interaction term showed no consistent trend on CES-D10 scores.
conclusionsThe interaction between perceived health and social activity has a synergistic effect on depressive symptoms; the additional effect of the interaction term significantly decreased CES-D10 scores in our models.
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