Video games have become more prevalent in adolescents' lives to entertain. Previous studies suggest rural left-behind adolescents are vulnerable to being absorbed in video games. To characterize a causal relation between "left-behind" and the time of playing video games among rural adolescents, we used representative data from China Educational Panel Survey (CEPS) and Propensity Score Matching (PSM) method. The sample includes 1166 rural left-behind adolescents and 1156 rural non-left-behind adolescents. Results demonstrated significant differences in the individual and family characteristics ...