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This study examined the associations of physical activity by intensity with depression and suicidal thoughts among middle school students in South Korea. This study used data from the Survey of Korean Youth Health Risk Behavior. The samples were middle school students (Total 37,420). Logistic regression analysis were used. For depression, 33% of males and 43% of females felt depressed, whereas 17.8% of males and 27.7% of females experienced suicidal thoughts. In regression, both moderate physical activity and vigorous physical activity were associated significantly with a lower incidence of depression. In suicidal thoughts, moderate physical activity was associated with a lower incidence of suicidal thoughts among female students. In path analysis, vigorous physical activity had a direct and indirect effect on depression and suicidal thoughts. Physical activity is a potential mediator in decreasing depression and suicidal thoughts among middle school students.

han'gug sanhag gi'sul haghoe nonmunji/han-guk sanhak gisul hakoe nonmunji

Associations of physical activity by intensity (moderate vs. vigorous) with depression and suicidal thoughts among middle school students in South Korea