The testretest reliability of the Opiate Treatment Index in nyaope users in Johannesburg

dc.article.end-page8en
dc.article.start-page1en
dc.contributor.authorPitsoane, Kelebogileen
dc.contributor.author Morgan, Nirvanaen
dc.contributor.authorMall, Sumaya en
dc.date.accessioned2025-01-16T08:37:13Z
dc.date.available2025-01-16T08:37:13Z
dc.departmentPsychiatry
dc.description.abstractBackground: Epidemiological studies suggest that nyaope, a heroin-based drug, is widely used in South Africa. Yet few reliable research tools are available to assess treatment outcomes of users. The Opiate Treatment Index (OTI), a tool developed in Australia, could potentially facilitate research on context-specific South African treatment outcomes. However, we know little of its test-retest reliability. Aim: This study aimed to assess the test-retest reliability of the OTI among a sample of nyaope users in Johannesburg. Setting: This study was conducted across three substance use treatment facilities in Johannesburg. Methods: The OTI was administered to 53 nyaope users at baseline and one week later. To determine the test-retest reliability of the OTI, the intra-class correlation coefficients (ICC) and the Brennan–Prediger coefficients of the two interviews were calculated. Results: The ICC of the Q-scores from the data sets along with the Brennan–Prediger coefficient for the substance use domain were calculated. The ICC for nyaope was 0.38. Brennan–Prediger coefficients were as follows: alcohol – 0.96, crack-cocaine – 0.89, cannabis – 0.92, methaqualone – 0.85 and crystal methamphetamine – 0.89. Conclusion: A significant positive finding was the excellent test-retest reliability of the injecting and sexual behaviour domains and moderate reliability of the criminality, general health and social functioning domains. Contribution: The results of this study provide insight into the reliability of this tool and for its use in future studies in the South African context.
dc.facultyFaculty of Health Sciencesen
dc.identifier.citationPitsoane K, Morgan N, Mall S. The test-retest reliability of the Opiate Treatment Index in nyaope users in Johannesburg. S Afr JPsychiat. 2024:30(0), a2087.https://doi.org/10.4102/sajpsychiatry.v30i0.2087en
dc.identifier.issn1608-9685 (print)en
dc.identifier.issn2078-6786 (online)
dc.identifier.orcid0000-0003-1950-8720
dc.identifier.other10.4102/sajpsychiatry.v30i0.2087
dc.identifier.urihttps://hdl.handle.net/10539/43511
dc.journal.issuea2087
dc.journal.titleThe testretest reliability of the Opiate Treatment Index in nyaope users in Johannesburgen
dc.journal.volume30en
dc.schoolSchool of Public Health
dc.subjectNyaope
dc.subjectOpiates
dc.subjectTest -retest reliability
dc.subjectOpiate treatment index
dc.subjectSubstance users opioids
dc.subjectHeroin
dc.subjectRehabilitation
dc.subjectJohannesburg
dc.subject.otherSDG:3- Good health and well-being
dc.titleThe testretest reliability of the Opiate Treatment Index in nyaope users in Johannesburgen
dc.typeArticleen

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