reliability and validity of persian version of job content questionnaire in health care workers in iran

background: the effect of poor psychosocial work conditions on health status has widely been discussed in occupational literature. job content questionnaire (jcq) is a widely accepted instrument for evaluation of psychosocial work conditions. objective: to determine the reliability and validity of persian version of jcq. methods: the questionnaire was translated into persian and back translated. 490 iranian health care workers completed the questionnaire. after 4 weeks, 196 participants completed the questionnaire once again. results: factor analyses revealed an acceptable level of structure validity for the questionnaire. cronbach's α was more than 0.75 for all scales except for psychological demand (α=0.60) and job insecurity (α=0.27). reassessment of participants after 4 weeks revealed an acceptable level of reliability for all scales except depression. conclusion: the persian version of jcq is reliable and valid for assessing work conditions among iranian health care workers, although revision is needed for job insecurity and depression scales.