ArticlePloS one2024
How do social networks, perception of social isolation, and loneliness affect depressive symptoms among Japanese adults?
Article in PloS one, 2024. 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.
- Changes in social health among older adults: a random intercept latent transition analysis from China.BMC geriatrics · 2026Article
- Independent and joint associations of depressive symptoms and social isolation on trajectories of functional disability among middle-aged and older adults.Archives of public health = Archives belges de sante publique · 2026Article
- Loneliness and analgesic overuse among low-dose estrogen-progestin users in Japan.BMC women's health · 2025Article
- Associations between social isolation, withdrawal, and depressive symptoms in young adults: a cross-sectional study.BMC psychiatry · 2025Article
- Community activities and their association with social isolation in rural Japan.Frontiers in public health · 2025Article
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Authors and funding
10 authors.
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Abstract
objectiveThis study aims to elucidate the complex relationship among social isolation, loneliness, and perception of social isolation and its influence on depressive symptoms by evaluating a hypothetical model. This understanding is essential for the formulation of effective intervention strategies.
methodsWe conducted an online survey on Japanese adults (N = 3,315) and used the six-item Lubben Social Network Scale to assess the size of their social networks. We employed a single question to gauge their perception of social isolation. Loneliness was assessed using the three-item UCLA Loneliness Scale, and depressive symptoms were examined using the Patient Health Questionnaire-9. Structural equation modeling was employed to test the hypothesized model.
resultsThe final model demonstrated satisfactory fit with data (χ2 (1) = 3.73; not significant; RMSEA = 0.03; CFI = 1.00; TLI = 1.00). The size of social network demonstrated a weak negative path to loneliness and depressive symptoms (β = -.13 to -.04). Notably, a strong positive association existed between perception of social isolation and loneliness (β = .66) and depressive symptoms (β = .27). Additionally, a significant positive relationship was found between loneliness and depressive symptoms (β = .40). Mediation analysis indicated that perception of social isolation and loneliness significantly intensified the relationships between social networks and depressive symptoms.
conclusionsResults indicate that interventions of psychological approaches, such as cognitive-behavioral therapy, are effective in reducing the perception of social isolation and loneliness, which may lead to the prevention of depressive symptoms. Future longitudinal studies are expected to refine and strengthen the proposed model.
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