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. 2017 Nov;29(11):1376-1390.
doi: 10.1037/pas0000440. Epub 2017 Jan 26.

Testing measurement invariance of the Depression, Anxiety, and Stress Scales (DASS-21) across four countries

Saskia Scholten  1 , Julia Velten  1 , Angela Bieda  1 , Xiao Chi Zhang  1 , Jürgen Margraf  1
Affiliations

Testing measurement invariance of the Depression, Anxiety, and Stress Scales (DASS-21) across four countries

Saskia Scholten et al. Psychol Assess. 2017 Nov.

Abstract

The rising burden of mental and behavioral disorders has become a global challenge (Murray et al., 2012). Measurement invariant clinical instruments are necessary for the assessment of relevant symptoms across countries. The present study tested the measurement invariance of the 21-item version of the Depression, Anxiety, and Stress Scales (DASS; Lovibond & Lovibond, 1995b) in Poland, Russia, the United Kingdom (U.K.), and the United States of America (U.S.). Telephone interviews were conducted with population-based samples (nPL = 1003, nRU = 3020, nU.K. = 1002, nU.S. = 1002). The DASS-21 shows threshold measurement invariance. Comparisons of latent means did not indicate differences between U.K. and U.S.

Samples: However, Polish and Russian samples reported more depressive symptoms compared with U.K. and U.S. samples; the Russian sample had the highest levels of anxiety symptoms and the Polish sample demonstrated the highest stress levels. The DASS-21 can be recommended to meaningfully compare the relationships between variables across groups and to compare latent means in Polish-, Russian-, and English-speaking populations. (PsycINFO Database Record

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