Reliability, convergent validity and factor structure of the DASS-21 in a sample of Vietnamese adolescents

Le, Minh Thi Hong, Tran, Thach Duc, Holton, Sara, Nguyen, Huong Thanh, Wolfe, Rory and Fisher, Jane 2017, Reliability, convergent validity and factor structure of the DASS-21 in a sample of Vietnamese adolescents, PLoS one, vol. 12, no. 7, pp. 1-14, doi: 10.1371/journal.pone.0180557.

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Title Reliability, convergent validity and factor structure of the DASS-21 in a sample of Vietnamese adolescents
Author(s) Le, Minh Thi Hong
Tran, Thach Duc
Holton, SaraORCID iD for Holton, Sara orcid.org/0000-0001-9294-7872
Nguyen, Huong Thanh
Wolfe, Rory
Fisher, Jane
Journal name PLoS one
Volume number 12
Issue number 7
Article ID e0180557
Start page 1
End page 14
Total pages 14
Publisher Public Library of Science
Place of publication San Francisco, Calif.
Publication date 2017-07-19
ISSN 1932-6203
Keyword(s) Mental health and psychiatry
Adolescents
Psychological stress
Depression
Schools
Anxiety
Vietnamese people
Factor analysis
Summary OBJECTIVES: To assess the internal consistency, latent structure and convergent validity of the Depression, Anxiety and Stress Scale-21 (DASS-21) among adolescents in Vietnam. METHOD: An anonymous, self-completed questionnaire was conducted among 1,745 high school students in Hanoi, Vietnam between October, 2013 and January, 2014. Confirmatory factor analyses were performed to assess the latent structure of the DASS-21. Factorial invariance between girls and boys was examined. Cronbach alphas and correlation coefficients between DASS-21 factor scores and the domain scores of the Duke Health Profile Adolescent Vietnamese validated version (ADHP-V) were calculated to assess DASS-21 internal consistency and convergent validity. RESULTS: A total of 1,606/ 1,745 (92.6%) students returned the questionnaire. Of those, 1,387 students provided complete DASS-21 data. The scale demonstrated adequate internal consistency (Cronbach α: 0.761 to 0.906). A four-factor model showed the best fit to the data. Items loaded significantly on a common general distress factor, the depression, and the anxiety factors, but few on the stress factor (p<0.05). DASS-21 convergent validity was confirmed with moderate correlation coefficients (-0.47 to -0.66) between its factor scores and the ADHP-V mental health related domains. CONCLUSIONS: The DASS-21 is reliable and suitable for use to assess symptoms of common mental health problems, especially depression and anxiety among Vietnamese adolescents. However, its ability in detecting stress among these adolescents may be limited. Further research is warrant to explore these results.
Language eng
DOI 10.1371/journal.pone.0180557
Indigenous content off
Field of Research MD Multidisciplinary
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2017, Le et al
Free to Read? Yes
Persistent URL http://hdl.handle.net/10536/DRO/DU:30119272

Document type: Journal Article
Collections: Faculty of Health
School of Nursing and Midwifery
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