Estructura interna de la escala de estrés percibido (PSS) en personal de medicina y enfermería del Perú: un análisis exploratorio de grafos

Andy Rick Sánchez Villena; Valeria de La Fuente Figuerola

doi:10.17533/udea.iatreia.270

Authors

Andy Rick Sánchez-Villena Universidad Privada del Norte https://orcid.org/0000-0001-7828-5884
Valeria de La Fuente-Figuerola FORUM Family Studies Center https://orcid.org/0000-0002-2189-1100

DOI:

https://doi.org/10.17533/udea.iatreia.270

Keywords:

Nurses, Physicians, Stress, Test Validity

Abstract

Introduction: The Perceived Stress Scale (PSS), in its 14-item (PSS-14) and 10-item (PSS-10) versions, is a widely used instrument. However, it has been understudied in medical and nursing personnel, and a variety of factor structures have been reported.
Objective: To examine the internal structure of the PSS in Peruvian medical and nursing personnel using exploratory graph analysis and confirmatory factor analysis.
Materials and Methods: The sample consisted of 2,848 nurses and 2,219 physicians who participated in the Peruvian Ministry of Health's ENSUSALUD in 2015 and were administered the PSS-14 and PSS-10. Analyses were performed using the EGAnet and lavaan packages in R.
Results: The PSS-14 formed 2 dimensions in medical personnel and 3 dimensions in nursing personnel, but items 12 and 13 showed little robustness in the latter group. Reanalysis after removing these items indicated that the 12-item version is plausible in nurses. Additionally, the PSS-10 showed a robust two-dimensional structure in both groups. Confirmatory factor analysis found that the two-dimensional models had good fit, as well as adequate reliability and consistency.
Conclusions: The PSS is a useful instrument for measuring stress in medical and nursing personnel. However, the PSS-10 is more appropriate; while in the PSS-14, items 12 and 13 should be omitted. Both versions are two-dimensional for both physicians and nurses.

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Author Biographies

Andy Rick Sánchez-Villena, Universidad Privada del Norte

University Professor, Universidad Privada del Norte, Cajamarca, Perú.

Valeria de La Fuente-Figuerola, FORUM Family Studies Center

Professor, Forum, Family Studies Center, Cajamarca, Perú.

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