Relationship between prevalence of cardiometabolic diseases, self-reported memory loss, and self-reported depressed mood of older adults in Korea according to frailty and physical activity status

As the older population increases worldwide, frailty is the area of research that deserve further investigation and is considered a major social and public health concern. Frailty appears physically and mentally, and recently, the term cognitive frailty has been used to combine physical frailty and mild cognitive impairment syndrome. Frailty in older adults is characterized by low physical activity levels and a sedentary lifestyle. Physical activity is essential in managing mental health issues such as depression and can improve the executive function and memory of older adults with mild cognitive impairment. Therefore, this study aimed to examine the prevalence of cardiometabolic diseases, self-reported memory loss, and depression among older adults in Korea according to frailty and physical activity status. Using data from the 2019 Korea National Health and Nutrition Survey, this study analyzed 613 community-dwelling older males aged ≥65 years. Physical activity was measured using a Global Physical Activity Questionnaire. A health-related quality of life instrument with eight items (HINT-8) was used to assess self-reported memory loss and depressed mood. Relationships between physical activity levels, self-reported memory loss and depressed mood were analyzed using logistic regression. The incidence of HINT-8 memory (0.52 (95% confidence interval (CI): 0.32–0.85)) was significantly lower in the Physical Activity Level (PAL)-high/pre-frail; the incidence of HINT-8 depression (0.35 (95% CI: 0.21–0.59); 0.29 (95% CI: 0.17–0.52)) was significantly lower in the and PAL-high/pre-frail. We verified that the group with PAL-low/frail had the highest self-reported memory loss and depressed mood, suggesting that more physical activity may reduce self-reported memory loss and depressed mood among frail older males in Korea. However further research is needed to analyze the level of physical activity separately between work and leisure.

Older adults; Frailty; Physical activity; Self-reported memory loss; Self-reported depressed mood

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