Objective To explore socioeconomic status that influenced smoking and drinking behavior in adolescents. Furthermore, life events as mediators of the relation between socioeconomic status and smoking and drinking in adolescents were established.
Method According to random and many cluster sampling method, a total of10313middle school students, from grade7to grade12were recruited from ten cities of China. They were investigated with the questionnaire titled Subjective Socioeconomic Status Scale for Chines...