The Reliability and validity of Persian Version of the General Health Questionnaire (CHQ-60) in Industry Staff

Attention to the general health (physical, mental and social) of staff is very important at the beginning of recruitment and in the period of their working life. Therefore, a study of reliability and validity of Persian version of the General Health Questionnaire (60- Items) was performed for industry staff (Mines and Mineral Industries) of Iran in 2016. 390 out of 1200 industry staff were randomly selected. The questionnaire was prepared during the translation process. The validity assessed by confirmatory factor analysis by Varimax rotation and for calculating reliability Cronbach's alpha and split-half (Spearman test - Brown) was used. The results of factor analysis showed that the five subscales of the questionnaire: social function, depression, somatic symptoms, anxiety and sleep disorder, and general health. Cronbach’s Alpha coefficient was estimated 0.96 and its validity for sub-scales was 0.73-0.96. The resulting of General Health Questionnaire-60Items was a successful adaptation to use on the general health of industry staff (mines and mineral industries) in Iran's population