Background: To investigate the psychometric properties of the Hospital Anxiety and Depression Scale (HADS) and 10-item Perceived Stress Scale (PSS-10) in patients with periodontitis and to evaluate the psychological features of patients with periodontitis.Methods: Overall, 460 individuals with periodontitis were enrolled. The HADS and the PSS-10 were administered to all patients. Methodology testing included the exploratory factor analysis, the confirmatory factor analysis (CFA), test-retest reliability, as well as internal consistency. Results: Regarding the CFA results of the HADS, as well as the PSS-10, a bifactor model fitted the data best. The Cronbach alpha value, as well as the intraclass correlation coefficients value of the two measures were all >0.70. The anxiety, depression, distress manifestations, and moderate-to-high perceived stress prevalence were 35.2%, 18.2%, 24.6%, and 43.9%, respectively. Severity of periodontitis, age, smoking, and disease comorbidities were identified as independent prognosticators of the presence of psychological manifestations in periodontitis.
Conclusion:The HADS and the PSS-10 can be used as general measures for psychological assessment in patients with periodontitis.
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