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PubMed · 8910967

Threshold models in a methadone programme evaluation.

A Saei·J Ward·C A McGilchrist
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Abstract

The degree of non-compliance with a methadone programme is such that a zero is often recorded as the response variable. Such outcome variables cannot be transformed to normality in order to investigate a regression relationship between the response variable and various risk or treatment variables. The presence of a random effect as well in this regression causes added difficulty in the analysis. We show here that use of threshold models can provide a satisfactory solution to both these problems.

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AustraliaBenzodiazepinesCocaineHIV InfectionsHeroinHumansMethadoneModels, StatisticalPatient CompliancePreventive Health ServicesProgram EvaluationRandomized Controlled Trials as TopicRegression AnalysisRisk FactorsSubstance-Related DisordersClinical TrialJournal ArticleRandomized Controlled TrialResearch Support, Non-U.S. Gov't

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A Saei, J Ward, C A McGilchrist. 1996-10-30. Threshold models in a methadone programme evaluation.. https://doi.org/10.1002/(sici)1097-0258(19961030)15%3A20%3C2253%3A%3Aaid-sim368%3E3.0.co%3B2-7

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