Key result
Depressive symptoms significantly increased the risk of suicide mortality in older Chinese adults (HR 2.22), demonstrating a dose-response relationship with no threshold effect.
Why the study?
Do depressive symptoms predict higher suicide risk in older Chinese individuals?
Cohort (n=55,946)
Yes
Do depressive symptoms predict higher suicide risk in older Chinese individuals?
Hazard Ratio: 2.22 (95% CI 1.39–3.52)
p-value: p=<0.001
Depressive symptoms predict higher suicide risk in older Chinese individuals in a dose-response pattern, independent of health status.
Authors
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May support suicide risk monitoring in older adults; extends dose-response evidence to Chinese cohorts but leaves causality and interventions open.
Sun et al. (2011) conducted a cohort in Depressive symptoms and suicide risk (n=55,946). Depressive symptoms (GDS score ≥ 8) vs. No depressive symptoms (GDS score < 8) was evaluated on Suicide mortality (HR 2.22, 95% CI 1.39-3.52, p=<0.001). Depressive symptoms significantly increased the risk of suicide mortality in older Chinese adults (HR 2.22), demonstrating a dose-response relationship with no threshold effect.
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