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  • Title: The Italian version of the Depression Anxiety Stress Scales-21: Factor structure and psychometric properties on community and clinical samples.
    Author: Bottesi G, Ghisi M, Altoè G, Conforti E, Melli G, Sica C.
    Journal: Compr Psychiatry; 2015 Jul; 60():170-81. PubMed ID: 25933937.
    Abstract:
    OBJECTIVE: The Depression Anxiety Stress Scales-21 (DASS-21) is the short version of a self-report measure that was originally developed to provide maximum differentiation between depressive and anxious symptoms. Despite encouraging evidence, the factor structure and other features of the DASS-21 are yet to be firmly established. METHOD: A community sample of 417 participants and two clinical groups (32 depressive patients and 25 anxious patients) completed the Italian version of the DASS-21 along with several measures of psychopathology. RESULTS: Confirmatory factor analyses suggested that the DASS-21 is a measure of general distress plus three additional orthogonal dimensions (anxiety, depression, and stress). The internal consistency and temporal stability of the measure were good; each DASS-21 scale correlated more strongly with a measure of a similar construct, demonstrating good convergent and divergent validity. Lastly, the DASS-21 demonstrated good criterion-oriented validity. CONCLUSION: The validity of the Italian DASS-21 and its utility, both for community and clinical individuals, are supported.
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