biostudies-literatureUnknown5Lokdam NT<h4>Background</h4>Re-imprisonments are common among people in prison who use drugs. This study aims to describe sociodemographic factors, mental health and level of pre-prison substance use in a cohort of people in prison, and to investigate re-imprisonment during follow-up according to their level of pre-prison drug use.<h4>Methods</h4>This was a prospective study using baseline data from the Norwegian Offender Mental Health and Addiction (NorMA) cohort (<i>n</i> = 733) recruited in 2013-2014 linked to data from the Norwegian Prison Registry and the Norwegian Cause of Death Registry. Self-reported drug use before imprisonment was measured at baseline using the Drug Use Disorder Identification Test (DUDIT). The outcome of interest was re-imprisonment examined using Cox regression. We exclDrug and alcohol dependence reports100127https://www.ebi.ac.uk/biostudies/studies/S-EPMC9948910biostudies-literatureDrug use and re-imprisonment: A prospective study of the Norwegian Offender Mental Health and Addiction (NorMA) cohort.PMC9948910Lokdam NTStavseth MRBukten AfalseDrug use and re-imprisonment: A prospective study of the Norwegian Offender Mental Health and Addiction (NorMA) cohort.<h4>Background</h4>Re-imprisonments are common among people in prison who use drugs. This study aims to describe sociodemographic factors, mental health and level of pre-prison substance use in a cohort of people in prison, and to investigate re-imprisonment during follow-up according to their level of pre-prison drug use.<h4>Methods</h4>This was a prospective study using baseline data from the Norwegian Offender Mental Health and Addiction (NorMA) cohort (<i>n</i> = 733) recruited in 2013-2014 linked to data from the Norwegian Prison Registry and the Norwegian Cause of Death Registry. Self-reported drug use before imprisonment was measured at baseline using the Drug Use Disorder Identification Test (DUDIT). The outcome of interest was re-imprisonment examined using Cox regression. We excl2022-01-01T00:00:00Z2022 Dec2026-03-16T01:57:20.821Z2024-10-15T18:04:12.99ZS-EPMC99489103684415610.1016/j.dadr.2022.100127