title: [Effects of occupation on health of traffic policemen in a city].
abstract: OBJECTIVE
  To investigate the health and work status of traffic policemen in a city, and analyze the effect of the occupation on health of them.
  
  
  METHODS
  The prevalent investigation was used to investigate the health status of on-the-job traffic policemen and the effect of the occupation on the health of traffic policemen was studied.
  
  
  RESULTS
  Among 4486 traffic policemen, 1604 working outside. The average time of working outside was (12.0 +/- 7.9) years and the average time of standing was (7.0 +/- 1.7) hours/day. The incidence of naso-pharyngitis, arthropathy, photosensitive dermatitis, heat stroke and chilblain, noise-induced deafness in the outside-traffic policemen were higher than that of the policemen working indoors. Eye diseases were higher in those who worked outside for 20-25 years. The varicosis of the lower extremity was higher in those who stood outside over 4 hours every day. The average period of onset of disease was 7-8 years.
  
  
  CONCLUSIONS
  The occupational stress of outside-traffic policemen was bigger in the city. The environmental pollution and the bad condition are the risky factors of 8 kinds of diseases among traffic policemen. The average period of onset of the disease is 7-8 years.
authors.affiliation: Department of Epidemiology, School of Public Health, Tianjin Medical University, Tianjin 300070, China.
authors.forename: Yong-cheng
authors.initials: YC
authors.lastname: Li
authors.forename: He-ju
authors.initials: HJ
authors.lastname: Huang
authors.forename: Zhi-lun
authors.initials: ZL
authors.lastname: Zhang
authors.forename: Xiu-ying
authors.initials: XY
authors.lastname: Qi