Effects of Nutritional Health Risk and Physical Activity on Depressive Symptoms in Older Adults

Author:

Gwon JihyeORCID,Shin JihoORCID,Kang HyunsikORCID

Abstract

PURPOSE: This cross-sectional study examined the combined effects of nutritional health risk and physical activity on depressive symptoms in a representative sample of older adults aged 65 years and older (4,116 men and 5,154 women) from the 2020 Korea Longitudinal Study of Aging.METHODS: Nutritional health risk was categorized as good, moderate, and high according to the Nutrition Screening Initiative. Physical activity was assessed using a questionnaire. Depression was assessed using the Short Form of Geriatric Depression Scale (SGDS).RESULTS: There were significant age differences (p<.001), education level (p<.001), marital status (p<.001), and SDGS (p<.001) according to nutritional health risk or physical activity status. In particular, a general linear model (GLM) showed a significant interaction (R2=.239, F(2,9849)=5.582, p<.004) between nutritional health risk and physical activity on SGDS-based depressive symptoms. The antidepressant effect of regular physical activity was observed in individuals with good or moderate nutritional health risks. However, such beneficial effects of physical activity were not observed in individuals with high nutritional health risks.CONCLUSIONS: The current findings of this study suggest that both good nutrition and physical activity for mental health should be emphasized in older adults, with a greater focus on nutrition for those with a high nutritional health risk.

Publisher

Korean Society of Exercise Physiology

Subject

Physiology (medical),Public Health, Environmental and Occupational Health,Physical Therapy, Sports Therapy and Rehabilitation

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