Symptoms of depression were evaluated based on the Patient Health Questionnaire (PHQ-9) depression module, with questions taken from the National Health and Nutrition Examination Survey --created by the Centers for Disease Control and Prevention's National Center for Health Statistics --and the standardized Job Content Questionnaire
(JCQ) (Environ Health.
To build this battery, considering the advantages of using instruments from models whose theoretical and practical utility has been proven, whose predictive ability has been broadly assessed, and on which there is published data on workers around the world, it was deemed appropriate to incorporate the Job Content Questionnaire
(JCQ) and the Effort Reward Imbalance (ERI)-Questionnaire) to assess intralabor psychosocial factors.
Este bloco do questionario foi baseado no Job Content Questionnaire
, (JCQ)  validado no Brasil .
In this study the reduced version of the Job Content Questionnaire
(JCQ) was used - the Job Stress Scale (JSS), which comprises 17 questions, created in Sweden by Theorell et al.
Organizational social support was assessed using the subscales measuring supervisor and coworker support from the social support scale in the Job Content Questionnaire
(JCQ; Karasek et al.
Two well established job characteristics in the job stress literature were evaluated with the Job Content Questionnaire
(Karasek, 1985; Karasek et al.
Supervision and Social Support were measured using their respective subscales from the Job Content Questionnaire
(JCQ) (Karasek et al 1998).
In this study, a Spanish version of the Job Content Questionnaire
(JCQ) was tested in Colombia.
The psychosocial work environment was assessed using an abbreviated measure of the Job Content Questionnaire
The instruments used were Karasek's Job Content Questionnaire
(JCQ), previously validated in Mexico by Cedillo (1999, cited in Juarez-Garcia, 2004), the Questionnaire of Personal Control (Juarez-Garcia, 2004a, cited in Juarez-Garcia, 2004) and the General Health Questionnaire, previously validated for Mexico by Medina, Padilla, Campillo, Caraveo, and Corona in 1983 (cited in Juarez-Garcia, 2004).
The items were derived from the well-validated French version (Hellemans & Karnas, 1999) of the Job Content Questionnaire
(JCQ; Karasek, 1985).
The Job Content Questionnaire
(JCQ), an assessment of psychosocial risk factors for MSDs, including job control, job demands, and social support.