Pitchaya Phakthongsuk1. 1. Occupational Health Unit, Community Medicine Department, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla, Thailand. pphakthongsuk@gmail.com
Abstract
OBJECTIVE: To test the construct validity of the Thai version of the job content questionnaire (TJCQ). MATERIAL AND METHOD: The present descriptive study recruited 10415 participants from all occupations according to the International Standard Classification of Occupations. The instrument consisted of a 48-item of the job content questionnaire. Eight items newly developed by the authors from in-depth interviews were added. RESULTS: Exploratory factor analysis showed six factor models of work hazards, decision latitude, psychological demand, social support, physical demand, and job security. However, supervisor and co-worker support were not distinguished into two factors and some items distributed differently along the factors extracted. Confirmatory factor analysis supported the construct of six latent factors, although the overall fit was moderately acceptable. Cronbach's alpha coefficients higher than 0.7, supported the internal consistency of TJCQ scales except for job security (0.55). CONCLUSION: These findings suggest that TJCQ is valid and reliable for assessing job stress among Thai populations.
OBJECTIVE: To test the construct validity of the Thai version of the job content questionnaire (TJCQ). MATERIAL AND METHOD: The present descriptive study recruited 10415 participants from all occupations according to the International Standard Classification of Occupations. The instrument consisted of a 48-item of the job content questionnaire. Eight items newly developed by the authors from in-depth interviews were added. RESULTS: Exploratory factor analysis showed six factor models of work hazards, decision latitude, psychological demand, social support, physical demand, and job security. However, supervisor and co-worker support were not distinguished into two factors and some items distributed differently along the factors extracted. Confirmatory factor analysis supported the construct of six latent factors, although the overall fit was moderately acceptable. Cronbach's alpha coefficients higher than 0.7, supported the internal consistency of TJCQ scales except for job security (0.55). CONCLUSION: These findings suggest that TJCQ is valid and reliable for assessing job stress among Thai populations.
Authors: Kionna Oliveira Bernardes Santos; Tânia Maria de Araújo; Fernando Martins Carvalho; Robert Karasek Journal: BMJ Open Date: 2017-05-17 Impact factor: 2.692
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