<![CDATA[Background: The maintenance phase in methadone maintenance therapy required a long time until the patient was declared recovered, so that it often caused saturation and results in high dropout rates. Therapy retention or survival of patients in the process of therapy was one indicator of the success of this methadone therapy. This study aims to determine the effect of patient characteristics and methadone maintenance therapy dose on the retention of methadone therapy at H. Adam Malik General Hospital Medan.Subjects and Method: This study used a cross sectional design and was carried out at H. Adam Malik General Hospital in Medan. The number of samples in this study was the total population of 63 patients in the maintenance phase January 2017 to January 2018. The dependent variable was the retention of methadone therapy and the independent variables included age, education level, marital status, work status, domicile, and average maintenance dose even. The data in this study were obtained from the medical record data of maintenance phase methadone patients and the data analysis was done using multiple logistic regression tests.Results: The results showed that the average maintenance dose had an effect on retention of methadone therapy (OR = 5.94, 95% CI 1.06 to 33.18, p = 0.042).Conclusions: The maintenance dose of ≥60 mg affects the retention of methadone therapy 6 times higher than the dose of <60 mg.Keywords: Therapy retention, patient characteristics, maintenance dosesCorrespondence: Dian Natalya Simangunsong, Master’s Program in Public Health of Universitas Sumatera Utara, Jl. Jahe 7 No. 14 Simalingkar A, Medan Tuntungan District, Medan, Email: dian_natalia2006@yahoo.co.id. Mobile: 0821-1133-5324Indonesian Journal of Medicine (2019), 4(2): 176-182https://doi.org/10.26911/theijmed.2019.04.02.11]]>
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