Multilevel logistic regression estimates based on 2-level binomial logit model for ‘depression’ in Korean adolescents (divided by gender).

Model 1: adjusted variables include gender, age (in grades), self-rated academic achievement, FAS, parental support, alcohol drinking and smoking volumes, substance abuse, internet addiction, high and moderate level physical activity, weight training, self-rated sleep satisfaction and health status as individual level variables, and schools’ gender type and scale of the area school is located in as school-level variables.Model 2: adjusted variables include those in model 1, with exception of parental support and addition of parental education level variables.OR: odds ratio, CI: credible intervals.Figures in bold indicate effect estimate and standard error with statistical significance.