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Exerc Sci > Volume 31(2); 2022 > Article
Exercise Science 2022;31(2): 173-180.
영양 건강 위험과 신체활동이 우울 증상에 미치는 영향
권지혜 , 신지호 , 강현식
성균관대학교 스포츠과학과
Effects of Nutritional Health Risk and Physical Activity on Depressive Symptoms in Older Adults
Jihye Gwon , Jiho Shin , Hyunsik Kang
College of Sport Science, Sungkyunkwan University, Suwon, Korea
Correspondence  Hyunsik Kang , Tel: +82-31-299-6911, Fax: +82-31-299-6929, Email: hkang@skku.edu
Received: April 18, 2022;  Accepted: May 11, 2022.  Published online: May 31, 2022.
*Jihye Gwon and Jiho Shin contributed equally to this work.
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.
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).
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.
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.
Key words: Depressive symptoms, Nutritional health risk, Physical activity, Older adults
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