Received: 6 November 2019
Accepted: 11 November 2019
First Online: 19 November 2019
Ethics approval and consent to participate
: The study protocol was approved by the Research Ethics and Approval Committee of the Jimma University Institute of Health (IHRERB/755/2017). Participation in the study was voluntary. If participants decided not to participate, there were no negative consequences. Participants could withdraw from the study at any time without giving a reason and without any negative consequences. Verbal consent was obtained from the prisoners because some of them were illiterate or unfamiliar with the use of forms and to protect the anonymity of participants. The Research Ethics and Approval Committee of the Jimma University Institute of Health allowed us to accept verbal consent from study participants. Even though the information was not provided in paper form, we provided participants with all the necessary information in a verbal consent procedure before obtaining their consent. We explained to the participants that selection for participation in the study was random and that they had the right not to respond to questions that they were not comfortable with and also had the right to ask questions. After data entry was complete, the questionnaires were kept securely locked away. Study participants who did not want to participate in the study but had been exposed to trauma and had AUD were referred to the Jimma University Medical Centre.
: Not applicable.
: The authors declare that they have no competing interests.