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01.12.2012 | Research | Ausgabe 1/2012 Open Access

Health and Quality of Life Outcomes 1/2012

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

Zeitschrift:
Health and Quality of Life Outcomes > Ausgabe 1/2012
Autoren:
Carlos Zubaran, Jonathan Emerson, Rishi Sud, Elham Zolfaghari, Katia Foresti
Wichtige Hinweise

Electronic supplementary material

The online version of this article (doi:10.​1186/​1477-7525-10-31) contains supplementary material, which is available to authorized users.

Competing interests

The authors declare that they have no competing interests.

Authors' contributions

CZ participated in the conception of study design and research project; application to the ethics and research committees, data collection, statistical analysis of data, interpretation of findings, writing of the manuscript and its submission to scientific journal. JE and RS participated in the data collection, statistical analysis of data, interpretation of findings, writing of the manuscript. EZ data collection, statistical analysis of data, interpretation of findings, writing of the manuscript and its submission to scientific journal. KF participated in the application to the ethics and research committees, data collection, statistical analysis of data, writing of the manuscript and its submission to scientific journal. All authors read and approved the final manuscript.

Abstract

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.
Zusatzmaterial
Authors’ original file for figure 1
12955_2011_928_MOESM1_ESM.pdf
Authors’ original file for figure 2
12955_2011_928_MOESM2_ESM.pdf
Authors’ original file for figure 3
12955_2011_928_MOESM3_ESM.pdf
Authors’ original file for figure 4
12955_2011_928_MOESM4_ESM.pdf
Literatur
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