Received: 3 August 2020
Accepted: 10 December 2020
First Online: 6 January 2021
Ethics approval and consent to participate
: This study used secondary data that are available in the public domain from EDHS. The institutions that commissioned, funded, or managed the surveys addressed ethical procedures. All DHS surveys are approved by the Inner City Fund (ICF) international and an institutional review board in specific countries to ensure that they comply with the United States Department of Health and Human Services’ regulations for the protection of human subjects.
: Not applicable.
: The authors declare that they have no competing interests.