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Published on: January 7, 2019
Psychometric Properties of the Brazilian Version of Environmental Protectors Against Hospital Work Stress
Silmara Meneguin1, Paula Astudillo-Díaz2, José Fausto de Morais3
1Department of Nursing, Botucatu Medical School, São Paulo State University (UNESP), Botucatu 18618-687, SP, Brazil.
Abstract:
Objective: To analyse the psychometric properties of the Brazilian version of the Environmental Protectors Against Hospital Work Stress (ENPROS). Methods: A cross-sectional methodological study was conducted in two public hospitals in São Paulo state, Brazil, involving 431 doctors and nursing staff. Exploratory and confirmatory factor analyses were performed to assess the construct validity of the instrument. To evaluate internal consistency and measurement stability, Cronbach's alpha and the intraclass correlation coefficient (ICC) were used. Convergent validity was tested by comparison with the Job Stress Scale. Results: Exploratory factor analysis indicated a structure comprising four factors, with satisfactory factor loadings and commonalities ranging from 0.26 to 0.75. Confirmatory factor analysis suggested a model with good fit (CFI = 0.988; TLI = 0.988; RMSEA = 0.064; SRMR = 0.067). Cronbach's alpha was 0.95, and the intraclass correlation coefficient (ICC) was 0.45. Convergent validity showed significant correlations between the ENPROS domains and the Job Stress Scale factors, particularly in the social support domain. Conclusions: The Brazilian Portuguese version of the Environmental Protectors Against Hospital Work Stress scale has a four-dimensional structure, adequate reliability, and a good fit to the proposed factorial model.
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