Validation of the HADS and PSS-10 and a cross-sectional study of psychological status in patients with recurrent aphthous stomatitis
Abstract
OBJECTIVES
To validate the Hospital Anxiety and Depression Scale (HADS) and the 10-item Perceived Stress Scale (PSS-10) for use in clinical studies of recurrent aphthous stomatitis (RAS) and to provide cross-sectional assessment of anxiety, depressive, distress symptoms and perceived stress in patients with RAS.
METHODS
Validity and reliability of the HADS and PSS-10 were evaluated in 120 individuals with RAS through confirmatory factor analysis and calculation of Cronbach's alpha and omega coefficients. The prevalence of comorbid anxiety, depression, distress and moderate-to-high perceived stress, as well as their association with demographics and clinical factors, was assessed through cut-off scores of the HADS and PSS-10 and bivariate analyses respectively.
RESULTS
A bi-factor model, with all items loading onto general factor with two group factors, provides the best fit to the HADS and PSS-10 data of this RAS cohort. While omega values suggested adequate reliability of total score of both scales, relatively low ranges of coefficient omega hierarchical limit utility of their subscale scores. The prevalence of anxiety, depressive, distress symptoms and moderate-to-high perceived stress was 42.5%, 18.33%, 28.33% and 71.67% respectively. Ethnicity, alcohol consumption, disease comorbidities, clinical type of RAS, ulcer size, pain and RAS disease activity were found to be associated with negative psychological symptoms.
CONCLUSION
The HADS and PSS-10 are valid and reliable as…
How strong is the evidence?
Evidence Hub reads this as a cross-sectional, done in people. Its evidence level is 4 of 5 (Low · observational). Observational designs can show an association but not prove cause. Reported size: 120 participants or records.
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