Original Article

Involuntary Weight Loss and Late-Life Depression in Korean Older Adults


Background: To investigate the association between involuntary weight loss (IWL) and late-life depression (LLD) in a population-based cohort study.

Methods: Data (N=6945) obtained from the 2008 baseline and 2011 follow-up assessments of the Living Profiles of Older People Survey in Korea were used. Changed body weight between the 2008 and 2011 was classified into stable weight (<-5% ~ <+5%), lightweight loss (≥-5% ~ <-10%), moderate weight loss (≥-10%), lightweight gain (+≥5 ~ <+10%), and moderate weight gain (≥+10%).

Results: Compared to the stable weight group, the moderate weight loss group had a higher risk of LLD (odds ratio=1.99, 95% confidence interval=1.61-2.46, P<0.001) even after adjustments for covariates, including age, BMI, education, income, life of solitude, smoking, physical activity, dependent aging, comorbidity, and cognitive function.

Conclusion: IWL is significantly associated with LLD in Korean older adults, implying the prognostic importance of IWL for presenting mental health issues later in life.

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IssueVol 49 No 4 (2020) QRcode
SectionOriginal Article(s)
Involuntary weight loss mental health older adult covariates

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How to Cite
JIN Y, CHO J, LEE I, PARK S, KIM D, KONG J, KANG H. Involuntary Weight Loss and Late-Life Depression in Korean Older Adults. Iran J Public Health. 2020;49(4):637-644.