title: [Relationship of sub-health status to social support and coping styles of left-behind middle school students in a reservoir area of Chongqing].
abstract: OBJECTIVE
  To explore the relationship between sub-health status and social support and coping styles of left-behind middle school students in a reservoir area of Chongqing.
  
  
  METHODS
  2247 students were chosen from three middle school by multistage cluster random sampling in a reservoir of Chongqing, 1528 were left-behind students,719 were non-left students, surveyed with questionnaire by Multidimensional Sub-health Questionnaire of Adolescents (MSQA), Social Support Rating Scale (SSRS) and Trait Coping Style Questionnaire (TCSQ).
  
  
  RESULTS
  Psychosomatic, physical and psychological sub-health state detection rate of left-behind middle school students (10. 73%, 8. 24%, 12. 43%) were higher than non-left students (9. 46%, 7. 37% and 10. 29%), but the difference was not statistically significant. Social subjective support, utilization of support and active coping style were protective factors for the sub-health status, grade and negative coping style were risk factors for the sub-health state. Grades, social support and coping style have significantly main effect on sub-health (P<0. 05), social support and negative coping have significantly interaction (P <0. 05).
  
  
  CONCLUSIONS
  Sub-health problem is not prominent, negative coping has an important impact on the sub-health.
authors.forename: Jianqiao
authors.initials: J
authors.lastname: Li
authors.forename: Rui
authors.initials: R
authors.lastname: Wu
authors.forename: Qin
authors.initials: Q
authors.lastname: Liu
authors.forename: Hong
authors.initials: H
authors.lastname: Wang
mesh_terms: D000223:Adaptation, Psychological; D000293:Adolescent; D002681:China / Q000453:epidemiology; D005260:Female; D006304:Health Status; D054624:Health Status Disparities; D006801:Humans; D008297:Male; D001523:Mental Disorders / Q000453:epidemiology*; D008603:Mental Health; D012307:Risk Factors; D012424:Rural Population; D012574:Schools; D012944:Social Support; D013334:Students / Q000523:psychology* / Q000706:statistics & numerical data; D011795:Surveys and Questionnaires