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Salud Pública de México
versión impresa ISSN 0036-3634
Resumen
FLORES-TORRES, Mario H et al. Perceived Stress Scale, a tool to explorepsychological stress in Mexican women. Salud pública Méx [online]. 2022, vol.64, n.1, pp.49-56. Epub 06-Mar-2023. ISSN 0036-3634. https://doi.org/10.21149/12499.
Objective:
To examine the factor structure of the 4- and 10-item Perceived Stress Scale (PSS) among 1 310 Mexican women participating in a prospective cancer cohort study.
Materials and methods: We performed exploratory and confirmatory factor analyses in two sub-samples of the Mexican Teachers’ Cohort. We evaluated internal consistency, estimated the correlation between PSS-4 and PSS-10, and assessed their correlation with a depressive symptoms scale.
Results:
Two-factor models were the solutions with the best fit to the data for both PSS-4 and -10, exhibiting strong factor loadings (0.39 to 0.75) and high internal consistency (Cronbach’s alpha 0.72 and 0.83). The correlation between PSS-4 and PSS-10 was r=0.91 and the correlations of these two scales with a depressive symptoms scale were r=0.41 and r=0.46, respectively.
Conclusions:
PSS might be an adequate scale to assess perceived stress in this prospective cancer cohort study. PSS-4 may be advantageous due to its simplicity, low cost, and short application time in multicountry studies on stress and cancer.
Palabras llave : perceived stress; cancer; women; factor analysis.