RESUMEN
Objective:To explore the vulnerability and related risk behaviors of the out-of-school adolescents floating with their parents from country to city.Methods:From September to October in 2005,260 out-of-school adolescents who were 14 to 20 years old were investigated in our study.Results:The out-of-school adolescents lacked of HIV/AIDS knowledge and life skills,and their psychosocial competence was at a lower level.The adolescents were open-minded to sex,but they were not conscious of using condoms.Attitude towards people with HIV was positively correlated with a well-being family,harmonious relation between their parents,a stable job,knowledge,life skills and psychosocial competence(such as in control of emotions,empathy).Their life skills were positively correlated with their mothers'schooling satisfaction with family income,a stable job,high scores of knowledge,social responsibility,and interpersonal relationship.Competence of HIV/AIDS prevention was positively correlated with schooling,a stable job,knowledge,life skills,and psychosocial competence.Conclusion:Out-of-school adolescents were vulnerable to HIV/AIDS.Individual level intervention combined with structural intervention could effectively reduce their vulnerability.Effective and feasible health education approach to enhance their life skills and psychosocial competence was a key point to health education on HIV/AIDS prevention.