Latent class analysis on health risk behaviors among left-behind and non-left-behind adolescents in rural area of Zizhong Country

Objective To compare health risk behavior patterns between left-behind and non-left-behind adolescents in rural area of Zizhang country,Sichuan province,by using latent class analysis(LCA),and to provide scientific basis for carrying out control stategies.Methods Totally 2 805 students from two middle schools in Zizhong county of Sichuan province were investigated with Health Risky Behavior Questionnaire for Adolescents.LCA was applied to analyze eight types of health risk behaviors.Results Four latent classes were observed among left-behind adolescents:69 adolescents of high-risk behavior group (4%),321 of high selfinjurious behavior and suicide(20%),479 of moderate health risk behavior (30%) and 727 of low-risk group(46%).Non-left-behind adolescents were also divided into four groups:62 of high-risk group (5%),78 of high physical inactivity,self-injurious and suicide group (6%),588 of high accidental injury group (32%) and 681 of low-risk group(56%).Conclusion There are obvious different health risk behavior patterns and the mode of assemblage between left-behind and non-left-behind adolescents.The probability of occurrence have differences.