title: Prevalence of respiratory symptoms among workers in industries of south Tehran, Iran.
abstract: OBJECTIVE
  The aim of the present study was to determine the prevalence of respiratory symptoms from occupational lung hazards among workers in industries of south Tehran, IRAN.
  
  
  METHODS
  This was a cross-sectional study in which by multistage random sampling items on demographic characteristics, cigarette smoking, occupational history and respiratory symptoms were collected of workers.
  
  
  RESULTS
  The mean age of the workers was 38.5 (SD = 10.2) yr: age ranged from 19 to 70 yr. Of 880 workers under study, 252 (28.7%) were smoking. Also, it has been observed that workers exposed in the workplace with occupational chemical exposures such as dust, gas and fume pollutants. The prevalence of respiratory symptoms was cough (20.7%), phlegm (41.6%), dyspnea (41.7%), feel tightness (27.4%) and nose irritation (23.5%).
  
  
  CONCLUSIONS
  Occupational exposures among workers in industries of south Tehran may cause respiratory symptoms and respiratory disorders, engineering controls and industrial hygiene is recommended.
authors.affiliation: Department of Occupational Health, School of Public Health and Institute of Public Health Research, Tehran University of Medical Sciences, P.O.Box: 14155-6145 Tehran, I.R. Iran.
authors.forename: Mehdi
authors.initials: M
authors.lastname: Ghasemkhani
authors.forename: Masaharu
authors.initials: M
authors.lastname: Kumashiro
authors.forename: Mansour
authors.initials: M
authors.lastname: Rezaei
authors.forename: Ali Reza
authors.initials: AR
authors.lastname: Anvari
authors.forename: Adel
authors.initials: A
authors.lastname: Mazloumi
authors.forename: Hamid Reza
authors.initials: HR
authors.lastname: Sadeghipour
mesh_terms: D000328:Adult; D000368:Aged; D003430:Cross-Sectional Studies; D006801:Humans; D007492:Iran / Q000453:epidemiology; D008875:Middle Aged; D016273:Occupational Exposure; D012141:Respiratory Tract Infections / Q000453:epidemiology*; D011795:Surveys and Questionnaires