Bukten, Anne https://orcid.org/0000-0003-0285-5339
Stavseth, Marianne Riksheim https://orcid.org/0000-0002-9324-6194
Funding for this research was provided by:
Helse Sør-Øst RHF
Norwegian Centre for Addiction Research
Article History
Received: 12 February 2021
Accepted: 29 June 2021
First Online: 24 August 2021
Declarations
:
: The authors declare that they have no competing interest.
: The study was approved by the Regional Committees for Medical and Health Research Ethics, Region South-East Norway, ref no 2012/140. The linkage was performed by the Norwegian Institute of Public Health, who prepared the files for analysis.
: This population study was based on individual-level data from The Norwegian Prison Registry (held by the Directorate of Norwegian Correctional Service) and the Norwegian Cause of Death Register (held by the Norwegian Institute of Public Health). The ethical approval of this research project does not include permission to publicly share the raw data. Qualifying researchers can apply for access to relevant data with the Norwegian Institute of Public Health [] and the Directorate of Norwegian Correctional Service [] upon approval from the Regional Committees for Medical and Health Research Ethics [].