Abstract
BackgroundThis study aimed to explore the associations between weight status, physical activity, and depression in Korean older adults.MethodsWe used the baseline data drawn from the 2008 baseline survey utilized in the Living Profiles of Older People Survey, comprised of 15,146 community-dwelling older people (42.6% men and 57.4% women) aged 60 years and older residing in the Republic of Korea. After excluding respondents with missing data on height, weight, and physical activity (PA), data on 10,197 samples (43.3% men and 56.7% women) were analyzed in this study.ResultsUnderweight and completely inactive individuals had poorer sociodemographic and health behavioral characteristics and increased risks of late-life depression compared with normal weight and sufficiently active individuals, respectively. In terms of the aerobic PA guidelines, completely inactive individuals had a significantly higher risk of late-life depression (odds ratio 1.730; 95% confidence interval, 1.412–2.120) compared with sufficiently active individuals, even after adjustments for age, education, household income, night sleeping, living status, marital status, smoking, number of comorbidities, nutritional status, self-reported health status, and cognitive performance as covariates. In addition, those who did not meet the PA guidelines and were underweight or overweight/obese were more likely to have late-life depression compared to those who were active and normal weight.ConclusionsThe current findings of the study suggest that modifiable, lifestyle risk factors, such as physical inactivity, underweight, and overweight/obesity, are positively associated with late-life depression in Korean older adults.
Highlights
Thanks to medical, social, and economic advances over diseases, the global population aged 60 years or older has increased in most countries
Significant differences in distribution were observed in age (P < 0.001), education (P < 0.001), living status (P < 0.001), marital status (P < 0.001), smoking (P < 0.001), drinking (P < 0.001), nutritional status (P < 0.001), self-reported health status (P < 0.001), and number of comorbidities (P < 0.001)
With respect to MMSE and GDS scores, 25.4% of men and 18.5% of women suffered from MCI, whereas 18.6% of men and 27.1% of women suffered from depression
Summary
Social, and economic advances over diseases, the global population aged 60 years or older has increased in most countries. Risk factors leading to the development of late-life depression include female sex, disability, developing a new medical illness, poor health status, prior depression, poor self-perceived health, bereavement, sleep disturbances, somatic illness, cognitive and=or functional impairment, and lack or loss of close social contacts.[9] advancing age is considered a risk factor for depression, in part because of naturally occurring changes in lifestyle factors, such as obesity and decrease in physical activity.[10]. This study aimed to explore the associations between weight status, physical activity, and depression in Korean older adults
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