The application of the drug user quality of life scale (DUQOL) in Australia

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Background: The concept of quality of life relates to the perceptions of individuals about their mental and physical health as well as non-health related areas. The evaluation of quality of life in the context of substance abuse has been conducted using generic instruments. The Drug Users Quality of Life Scale (DUQOL) is a specific assessment tool in which the most pertinent and salient areas to drug abusers are taken into consideration. In this study, the authors report the results of a validation study in which the DUQOL was used for the first time in Australia.Methods: A sample of 120 participants from inpatient and outpatient treatment facilities completed a series of questionnaires, including the DUQOL and the World Health Organization Quality of Life Assessment-BREF (WHOQOL-BREF). Parameters investigated in this study included the demographic characteristics of the sample, internal structure, and convergent validity. Correlations between the DUQOL scale scores and the scores of the WHOQOL-Bref test were investigated via Pearson product-moment correlation analyses.Results: The English version of the DUQOL attained a significant overall Cronbach's alpha of 0.868. The factorial analysis of the DUQOL identified one principal factor that accounted for 28.499% of the variance. Convergent validity analyses demonstrate significant correlations (p < 0.01) between the DUQOL scores and the scores of all four dimensions of the WHOQOL-BREF questionnaire.Conclusions: This study demonstrates that the DUQOL constitutes a reliable research instrument for evaluating quality of life of substance users in Australia. © 2012 Zubaran et al; licensee BioMed Central Ltd.




Zubaran, C., Emerson, J., Sud, R., Zolfaghari, E., & Foresti, K. (2012). The application of the drug user quality of life scale (DUQOL) in Australia. Health and Quality of Life Outcomes, 10.

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