Mood Emot 2023 Nov; 21(3): 44-50   https://doi.org/10.35986/me.2023.21.3.44
Psychometric Properties of the Korean Versions of the Perceived Stress Scale via a Mobile Application for the Community
Hwagyu Suh, MD1 , Eunsoo Moon, MD, PhD1,2 , Hyun Ju Lim, MS1 , Kyungwon Kim, MD, PhD1 , Young Min Lee, MD, PhD1,2 , Byung Dae Lee, MD, PhD1,2 , Je Min Park, MD, PhD1,2
1Department of Psychiatry and Biomedical Research Institute, Pusan National University Hospital, Busan, 2Department of Psychiatry, Pusan National University School of Medicine, Yangsan, Korea
Correspondence to: Eunsoo Moon, MD, PhD
Department of Psychiatry and Biomedical Research Institute, Pusan National University Hospital, Pusan National University School of Medicine, 179 Gudeok-ro, Seo-gu, Busan 49241, Korea
TEL +82-51-240-7303 FAX +82-51-248-3648 E-mail esmun@hanmail.net ORCID https://orcid.org/0000-0002-8863-3413
Received: November 6, 2023; Accepted: November 9, 2023; Published online: November 30, 2023.
© Korean Society for Affective Disorders. All rights reserved.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Background: Stress assessment is a crucial aspect of mental health monitoring. The Perceived Stress Scale (PSS), a self-report inventory, assesses the level of stress individuals perceive in their daily lives. This study aimed to evaluate the reliability and validity of PSS shared via a mobile application.
Methods: The study included 1,327 residents. All participants completed the PSS, the nine-item Patient Health Questionnaire, and the seven-item Generalized Anxiety Disorder (GAD-7) scale.
Results: The average Cronbach’s alpha value for the PSS was 0.938, which is satisfactory. PSS (r=0.631, p<0.01) and GAD-7 (r=0.622, p<0.01) exhibited significant positive correlations. Factor analysis yielded two factors with eigenvalues of 7.855 and 1.463, accounting for 66.56% of the variance. Factor 1 represented “positive” while Factor 2 denoted “negative.”
Conclusion: The PSS is an appropriate measurement tool for perceived stress level and maintains its reliability and validity when administered through a tablet PC or smartphone application. Using a mobile application to evaluate PSS in the community would be beneficial.
Keywords: Psychological stress; Validation study; Health surveys; Perceived Stress Scale

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