Validity, reliability, and the factorial structure of bangla version depression, anxiety, and stress scale (DASS-21) among Bangladeshi healthcare professionals

The objective of this study was to assess the validity, reliability, and factorial structure of the Bengali-translated Depression, Anxiety, and Stress Scale—21 (DASS-21) among Bangladeshi health professionals. This study incorporated the cross-sectional study design, conducted among 312 health professionals from 28 health facilities in 18 districts across Bangladesh. The internal consistency and intraclass correlation coefficient of the DASS-21 was assessed. The confirmatory factor analyses was done to assess the fitness of different structural models of DASS-21. The concurrent validity was estimated by using the PHQ-9 and GAD-7 scales. In total, 258 healthcare professionals (82.7%) out of 312 completed the whole survey questionnaire and were included in the study. The internal consistency of the DASS-21 exhibited satisfactory internal consistency (α =…