Sleep quality of Shanghai residents: population-based cross-sectional study

To estimate the prevalence of poor sleep and its risk factors for adults living in a suburban area of Shanghai with rapid urbanization. A total of 37,545 residents who were aged 20 to 74 years and from the “Peak Program,” a community-based natural population cohort study, were included. Data on demographics, lifestyle, and physical health-related factors were collected using a face-to-face questionnaire interview. Sleep quality was assessed...