Poor sleep in adolescents is a global health problem. This study examined Chinese adolescents' sleep quality types by using a person-centered approach and examined the associations of adolescent sleep quality types with psychological characteristics and health risk behaviors. Using data from 1,310 Chinese adolescents (53.7% male; mean age = 13.48…

To examine the correlates of heavy Internet use and determine the associations of heavy Internet use with various health risk behaviors and health-promoting behaviors among Chinese adolescents, an anonymous, self-administered health behavior questionnaire was completed by 2427 matriculants into a Hong Kong university (mean age = 18.9 y) and…

This study examined 1,361 Chinese adolescents who reported self-injurious behaviors. Groups A and B both acknowledged deliberate self-injury, but only Group A had made a suicide attempt. Group C reported accidental self-injury. Deliberate self-injurers (Groups A and B) were more frequently girls, older, and with more suicidal ideation. Group A had…