Psychological distress mediated the effects of self-stigma on quality of life in opioid-dependent individuals: A cross-sectional study

doi:10.1371/journal.pone.0211033

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Title:	Psychological distress mediated the effects of self-stigma on quality of life in opioid-dependent individuals: A cross-sectional study
Authors:	Chang, Kun-Chia Lin, Chung-Ying Chih-Cheng Chang(張志誠) Ting, Shuo-Yen Cheng, Ching-Ming Wang, Jung-Der
Contributors:	Jianan Psychiat Ctr, Minist Hlth & Welf Natl Cheng Kung Univ, Coll Med, Dept Publ Hlth Hong Kong Polytech Univ, Fac Hlth & Social Sci, Dept Rehabil Sci Chi Mei Med Ctr, Dept Psychiat Chia Nan Univ Pharm & Sci, Coll Recreat & Hlth Management, Dept Senior Citizen Serv Management Tsaotun Psychiat Ctr, Minist Hlth & Welf Natl Cheng Kung Univ Hosp, Dept Internal Med Natl Cheng Kung Univ Hosp, Dept Occupat & Environm Med
Keywords:	METHADONE-MAINTENANCE THERAPY HEROIN USERS WHOQOL-BREF DRUG-USERS PSYCHIATRIC COMORBIDITY PSYCHOMETRIC EVALUATION SOCIAL SUPPORT HEALTH PEOPLE DISORDERS
Date:	2019-02
Issue Date:	2020-07-29 13:55:31 (UTC+8)
Publisher:	PUBLIC LIBRARY SCIENCE
Abstract:	Background Both stigma and psychological distress affect quality of life (QOL). This study is an attempt to determine the effects of these two factors on QOL and to explore possible mediation effects between psychological distress and self-stigma in opioid-dependent individuals. Methods This cross-sectional study comprised 268 consecutive, treatment-seeking opioid-dependent individuals who were interviewed using the brief version of the World Health Organization Quality of Life instrument (WHOQOL-BREF), the Self-Stigma Scale-Short (SSS-S), the Chinese Health Questionnaire-12 (CHQ-12), and the Opiate Treatment Index (OTI). A series of regression models were constructed to determine if the SSS-S and CHQ-12 predict the WHOQOL-BREF scores. Moreover, a comparison of the potential mediation effects of psychological distress (as assessed by the CHQ-12) was made between the SSS-S and the WHOQOL-BREF using the Baron and Kenny procedure (including three separate regressions), along with the Sobel test. Results The CHQ-12 score was predictive of the scores for the four domains and almost all facets of the WHOQOL-BREF except the item, "Dependence on medical aids." Nonetheless, the SSS-S score predicted three of the four facets of the social QOL after adjustment of the CHQ-12 score. Psychological distress completely mediated the relation between self-stigma and the physical, psychological, and environmental domains, and partially mediated the relationship between self-stigma and social QOL (two-tailed Sobel test: p = 0.02 for each domain). Conclusions Psychological distress has a significant impact on the QOL of treated opioid users. It appears to be a core element in reducing the negative effects of self-stigma on aspects of QOL.
Relation:	Plos One, v.14, n.2, e0211033
Appears in Collections:	[Dept. of Senior Service and Health Management] Periodical Articles

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