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Introduction: The high prevalence of mental disorders related to states of stress in health care workers requires timely detection. Valid, reliable and easy-to-administer instruments are needed for their assessment. The aim of this study was to adapt and validate the T3/15 Tension Questionnaire by Meliá (1994) in a sample of Peruvian health care workers. Materials and Methods: An instrumental study, 302 workers from the Peruvian health system participated, selected by stratified random sampling. The process included changes in the terminology of some items, content evaluation by judges and pilot testing. Construct validity was assessed by Exploratory Factor Analysis, the number of factors was defined with Horn Parallel Analysis and the fit with Confirmatory Factor Analysis. Results: A reduced version of ten items was obtained, grouped in two factors that explained 67.13% of the total variance and an acceptable adjustment [x2/gl=3.08; NFI=0.94; CFI=0.95; SRMR=0.013; RMSEA=0.080 (IC90%: 0.66-0.10)]. The items discriminate satisfactorily; as well as, the questionnaire according to the variable sex and occupational group. Ordinal Alpha for sociopsychological incidences of stress at work, was 0.752 and 0.931 for work-induced stress; McDonald's Omega was 0.867 and 0.965 respectively. Conclusions: The new reduced version of the stress questionnaire has acceptable metric properties; therefore, its use is recommended to assess occupational stress in health workers and validation studies.

Edgar Martín Hernández Huaripaucar, Universidad Nacional San Luis Gonzaga, Ica, Perú

Doctor en salud pública

Jorge Ybaseta Medina, Universidad Nacional San Luis Gonzaga (UNSLG). Ica, Perú

Doctor en salud pública

Gladys Huamán Espinoza, Universidad Nacional San Luis Gonzaga, Ica, Perú

Doctor en salud pública

Néstor Gonzales Aedo, Universidad Nacional San Luis Gonzaga, Ica, Perú

Magíster en salud pública

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