title: [Study on health related behaviors and its protective factors of junior middle school students in 4 cities of China].
abstract: OBJECTIVE
  To provide accurate data on health related behaviors and protective factors among students in middle schools in China, for developing priorities, programs and policies on health education.
  
  
  METHODS
  We used a standard scientific sample selection process developed by American Center for Disease Control and Prevention (CDC) to conduct the questionnaire survey among middle schools from four cities--Beijing, Hangzhou, Wuhan and Urumchi.
  
  
  RESULTS
  Data were found as: 3.2% of students are overweight; 25.3% of students rarely washing hands before eating at school, 20.5% of the students had seriously injured in the past 12 months, 30.4% of male students having had physical fighting, 17.1% of the students having serious attempted suicide, 29.7% of the students ever tried or experimented cigarette smoking, 13.0% having drunk from alcohol and 14.5% having been offered or selling drugs during the past 30 days, 78.9% were in an insufficient amount of physical activity and only 14.3% often used seat belt when riding in a car.
  
  
  CONCLUSIONS
  There were many problems on health related behaviors among middle school students in these four cities, especially on hygiene, physical activities, psychological situation, smoking and drinking etc. It is absolutely necessary to develop health education for children and adolescence to promote their healthy behaviors and lifestyle.
authors.affiliation: Institute for Health Education, Chinese Center for Disease Control and Prevention, Beijing 100011, China.
authors.forename: Ben-chun
authors.initials: BC
authors.lastname: Tian
authors.forename: Wei
authors.initials: W
authors.lastname: Zhang
authors.forename: Ling
authors.initials: L
authors.lastname: Qian
authors.forename: Shu-hong
authors.initials: SH
authors.lastname: Lv
authors.forename: Yu-lan
authors.initials: YL
authors.lastname: Cheng
authors.forename: Ji-bin
authors.initials: JB
authors.lastname: Zhang
authors.forename: Zuo-zhen
authors.initials: ZZ
authors.lastname: Wang
authors.forename: Xiang-yang
authors.initials: XY
authors.lastname: Tian
authors.forename: Guang-lian
authors.initials: GL
authors.lastname: Xiong
authors.forename: Wei-hong
authors.initials: WH
authors.lastname: Yan
authors.forename: Xin-wei
authors.initials: XW
authors.lastname: Zhang
mesh_terms: D000293:Adolescent; D000294:Adolescent Behavior; D002648:Child; D002652:Child Behavior; D002681:China; D015438:Health Behavior; D006306:Health Surveys; D006801:Humans; D008297:Male; D040242:Risk Reduction Behavior; D013334:Students / Q000523:psychology / Q000706:statistics & numerical data*; D011795:Surveys and Questionnaires; D014504:Urban Health