Testing the validity and reliability of the Depression Anxiety Stress Scale (DASS)-21 instrument for individuals with psychodermatology

Individual psychological health can be seen from the of skin. Some skin diseases such as psoriasis and atopic dermatitis exacerbated by problems. Based on this, a collaboration between specialist doctors psychologists is needed to screen for disorders in sufferers. One screening instrument Depression Anxiety Stress Scale (DASS)-21; this study aims test its validity reliability. Non-probability convenience sampling was employed, 292 participants aged 18-54 were willing take part study. An internal structure conducted using confirmatory factor analysis, while concurrent assessed correlating DASS-21 with PHQ-9, GAD-7 PSS scores. The reliability analyzed composite results CFA analysis showed that data matched Lovibond's theory all items valid (RMSEA =.076, CFI=.961, TLI = .955, SRMR .065). three scales had positive correlation dimensions DASS-21, satisfactory value (.850 – .923). indicate reliable used measure depression, anxiety stress individuals dermatitis.