Factor Structure and Reliability of the Depression, Anxiety and Stress Scales in a Large Portuguese Community Sample

被引：30
作者：
Vasconcelos-Raposo, Jose [1 ]
Fernandes, Helder Miguel [1 ]
Teixeira, Carla M. [1 ]
机构：
[1] Univ Tras Os Montes & Alto Douro, P-5000558 Vila Real, Portugal
来源：
SPANISH JOURNAL OF PSYCHOLOGY | 2013年 / 16卷
关键词：
depression; anxiety; stress; DASS-21; PSYCHOMETRIC PROPERTIES; PERCENTILE NORMS; NORMATIVE DATA; CONSTRUCT-VALIDITY; TRIPARTITE MODEL; DASS; VERSION; STATES; PANAS;
D O I：
10.1017/sjp.2013.15
中图分类号：
B84 [心理学];
学科分类号：
04 ; 0402 ;
摘要：
The purpose of the present study was to assess the factor structure and reliability of the Depression, Anxiety and Stress Scales (DASS-21) in a large Portuguese community sample. Participants were 1020 adults (585 women and 435 men), with a mean age of 36.74 (SD = 11.90) years. All scales revealed good reliability, with Cronbach's alpha values between .80 (anxiety) and .84 (depression). The internal consistency of the total score was .92. Confirmatory factor analysis revealed that the best-fitting model (*CFI = .940, *RMSEA = .038) consisted of a latent component of general psychological distress (or negative affectivity) plus orthogonal depression, anxiety and stress factors. The Portuguese version of the DASS-21 showed good psychometric properties (factorial validity and reliability) and thus can be used as a reliable and valid instrument for measuring depression, anxiety and stress symptoms.
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页数：10
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