Concurrent drug use among methadone maintenance patients in mountainous areas in northern Vietnam

Bach Xuan Tran, Victoria L. Boggiano, Huong Lan Thi Nguyen, Long Hoang Nguyen, Hung Van Nguyen, Canh Dinh Hoang, Huong Thi Le, Tho Dinh Tran, Hai Quan Le, Carl A. Latkin, Thuc Minh Thi Vu, Melvyn W.B. Zhang, Roger C.M. Ho

Research output: Contribution to journalArticlepeer-review

Abstract

Objectives With the rise in methadone maintenance therapy (MMT) for drug users in Vietnam, there has been growing interest in understanding if and how often MMT patients engage in concurrent illicit drug use while on methadone therapy in various settings. This study examined factors associated with concurrent opioid use among patients on MMT in a mountainous area in Vietnam. Setting One urban and one rural MMT clinics in Tuyen Quang province. Participants Survey participants consisted of patients who were taking MMT at the selected study sites. A convenience sampling approach was used to recruit the participants. Primary and secondary outcome measures Participants were asked a series of questions about their socioeconomic status, current alcohol and tobacco use, health problems (measured by the EuroQol-Five Dimension-Five Level instrument), psychological distress (measured by Kessler score), and factors associated with current and/or previous drug use. Regression models were used to determine factors associated with concurrent drug use among MMT patients. Results Among the 241 male MMT patients included in the study, 13.4% reported concurrent opioid use. On average, the longer patients had been enrolled in MMT, the less likely they were to concurrently use drugs. Conversely, patients with higher levels of psychological distress were more likely to engage in concurrent drug use while on MMT. Conclusion Longer duration of MMT was significantly correlated with reduced illicit drug use among participants. Higher levels of psychological distress were associated with increased use of illicit drugs among MMT patients. Regardless of distance, long-term MMT is still effective and should be expanded in mountainous areas.

Original languageEnglish (US)
Article numbere015875
JournalBMJ open
Volume8
Issue number3
DOIs
StatePublished - Mar 1 2018

Keywords

  • Vietnam
  • drug use
  • methadone
  • mountainous

ASJC Scopus subject areas

  • Medicine(all)

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