Received: 14 November 2019
Accepted: 27 July 2020
First Online: 11 August 2020
Ethics approval and consent to participate
: Ethical clearance was obtained from John Snow Inc. with certificate reference number: IRB # 19–18 and from the Southern Nations, Nationalities and Peoples Regional Health Bureau with reference number: ZS/1–6/36/22. Permission to conduct the research and access PHEM database was obtained from the local health office and primary health care units. Informed written consent was obtained from all participants. To maintain the confidentiality of collected data, anonymity was maintained throughout the research process.
: Not applicable.
: The authors declare that they have no competing interests.