Validation of the somatic symptom disorder—B Criteria Scale (SSD-12) in Bangladesh

Sumaiya Habib and Muhammad Kamruzzaman Mozumder

PLOS ONE, 2025, vol. 20, issue 1, 1-14

Abstract: Background: The absence of a reliable and valid Bangla instrument for measuring somatic symptom disorder hinders research and clinical activities in Bangladesh. The present study aimed at translating and validating the Somatic Symptom Disorder-B criteria (SSD-12). Method: A cross-sectional design was used with purposively selected clinical (n = 100) and non-clinical (n = 100) samples. The clinical sample was collected from psychiatric departments at three hospitals, while the non-clinical sample was drawn from the local community. Exploratory (EFA) and confirmatory factor analysis (CFA) were conducted on the SSD-12, along with reliability and validity assessments. Results: Results indicated satisfactory internal consistency reliability (Cronbach’s alpha = .94, split-half r = .93); criterion-related validity (r = .86, with Morey’s Somatic Complaints Scale); and construct validity (r = .64 with anxiety subscale and r = .57 with depression subscale of the Hospital Anxiety and Depression Scale) of the translated scale. In contrast to the three-factor structure of the original SSD-12, the Bangla version indicated a single-factor structure (accounting for 61.29% of the total variance). This scale also demonstrates its ability to distinguish between clinical and non-clinical participants (t198 = 16.74, p

Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0318062

DOI: 10.1371/journal.pone.0318062

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