Fig. 1From: Combined effect of daily physical activity and social relationships on sleep disorder among older adults: cross-sectional and longitudinal study based on data from the Kasama studyThe adjusted Kaplan-Meier curves for sleep disorder by combination of physical activity and social relationships among all subjects in Model 1. Survival curves were adjusted for age, gender, body mass index, use of hypertension and sleeping medication, smoking and drinking habits, and depressive syndrome. PA, physical activity; SR, social relationshipBack to article page