Effect of sleep quality on quality of life of heroin addicts receiving methadone maintenance treatment / 中华行为医学与脑科学杂志

ABSTRACT

Objective To analyze the role of sleep quality (SQ) in quality of life (QOL) ofheroin addicts receiving methadone maintenance treatment (MMT).Methods A total of 603 heroin addicts completed the socio-demographic questionnaire,Pittsburgh Sleep Quality Index (PSQI),and the World Health Organization'sQuality of Life Questionnaire-Brief Version (WHOQOL-BREF).Hierarchical Multiple Linear Regression was used to examine the unique contribution of SQ in the explanation of QOL.Results The overall unique contributions of the seven components in PSQI,measured by △R2,ranged from 0.139 to 0.216,which could account for 41.3％ ～55.7％ of the total explainable variance in the four domains of WHOQOL-BREF.Conclusion SQ is an important predictor of Q0L in heroin addicts receiving MMT.QOL can be improved through the intervention of low SQ.