Reliability and Validity of Perceived Stress Scale in Recurrent Aphthous Ulcer

doi:10.13701/j.cnki.kqyxyj.2023.10.014

Abstract

Abstract: Objective: To evaluate the validity and reliability of the perceived stress scale (PSS-10) in recurrent aphthous ulcer. Methods: Using convenient sampling method, 155 cases of recurrent aphthous ulcer were investigated by on-the-spot questionnaire. Internal consistency reliability and test-retest reliability were used to test its reliability. Exploratory factor analysis and confirmatory factor analysis were used to test the construct validity of PSS-10, and HADS was selected as the criterion validity. Results: Two factors of helplessness and self-efficacy were obtained by exploratory factor analysis, which cumulatively explained 70.42% of the total variance of the scale. Confirmatory factor analysis verified the two-factor model (χ²/df=1.98, CFI=0.96, NNFI=0.93, RMSEA=0.08, RMSR=0.09). The internal consistency coefficient of the scale was 0.72, in which the internal consistency coefficient of helplessness was 0.90, and the internal consistency coefficient of self-efficacy was 0.89. There was a significant correlation between PSS-10 and HADS, showing a good criterion correlation validity. Correlation analysis showed that women were higher than men in sense of helplessness and self-efficacy. Different types of RAU patients had significant differences in sense of helplessness and self-efficacy (P<0.05). Conclusion: The perceived stress scale has good validity and reliability and can be used as a self-assessment tool to evaluate the stress degree of recurrent aphthous ulcer.

Key words: perceived stress scale, recurrent aphthous ulcer, validity, veliability

ZHOU Jie, YAN Quanhong, ZENG Xiaoyun, JIN Song. Reliability and Validity of Perceived Stress Scale in Recurrent Aphthous Ulcer[J]. Journal of Oral Science Research, 2023, 39(10): 923-927.

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