Bidirectional relationships between retention and health-related quality of life in Chinese mainland patients receiving methadone maintenance treatment

Zhou, Kaina, Wang, Duolao ORCID: https://orcid.org/0000-0003-2788-2464, Li, Hengxin, Wei, Xiaoli, Yin, Juan, Liang, Peifeng, Kou, Lingling, Hao, Mengmeng, You, Lijuan, Li, Xiaomei and Zhuang, Guihua (2017) 'Bidirectional relationships between retention and health-related quality of life in Chinese mainland patients receiving methadone maintenance treatment'. PLoS ONE, Vol 12, Issue 6, e0179009.

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Abstract

This study aimed to explore the bidirectional relationships between retention and health-related quality of life (HRQoL) in patients from mainland China receiving methadone maintenance treatment (MMT). This prospective cohort study recruited 1,212 eligible MMT patients from the two largest MMT clinics (one privately and another publicly funded) in Xi’an. This study started in March 2012 with a 2-year follow-up until March 2014. Retention was assessed by repeated terminations, past treatment duration, premature terminations, and follow-up treatment duration. HRQoL was evaluated using the Chinese (simple) short-form 36 health survey version 2 (SF-36v2) and the quality of life scale for drug addicts (QOL-DAv2.0). Linear and Cox regression analyses were used to explore relationships between retention and HRQoL. A general linear model was used to further examine the global effect of past treatment duration on HRQoL. Multivariate analyses showed that repeated terminations had no significant impact on HRQoL scores in MMT patients; however, past treatment time (year) influenced the SF-36v2PCS (P = 0.004): treatment for ≥4 years showed a lower SF-36v2PCS score (regression coefficient: -2.39; 95% confidence interval [CI]: -3.80, -0.97; P = 0.001) than treatment for <1 year. In addition, patients with an SF-36v2PCS score > 49 (hazard ratio: 0.83; 95% CI: 0.69, 0.98; P = 0.03) were 17% less likely to terminate MMT than those with scores of ≤49. In conclusion, retention and HRQoL tended to have a bidirectional relationship, which should be considered in the development of retention and health-management programs for patients with MMT.

Item Type:	Article
Subjects:	QV Pharmacology > QV 4 General works QV Pharmacology > Central Nervous System Agents. Local Anesthetics > QV 89 Opioid analgesics. Narcotics. Narcotic antagonists
Faculty: Department:	Clinical Sciences & International Health > Clinical Sciences Department
Digital Object Identifer (DOI):	https://doi.org/10.1371/journal.pone.0179009
SWORD Depositor:	JISC Pubrouter
Depositing User:	JISC Pubrouter
Date Deposited:	07 Jun 2017 11:05
Last Modified:	06 Sep 2019 15:26
URI:	https://archive.lstmed.ac.uk/id/eprint/7203

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