Received: 29 May 2019
Accepted: 18 March 2020
First Online: 10 June 2020
Ethics approval and consent to participate
: Ethical approval to conduct the DHS survey was obtained from Measure DHS and the Ethics Committee of ICF Macro (Calverton, MD, USA). The survey followed standardised data collection procedures and received ethics approval from the National Research Ethics Committee (NREC) of the studied countries. According to the DHS research protocol, written informed consent was obtained from all individual participants included in the study before they enrolled in the original survey. We analysed the dataset after receiving approval from the Measure DHS program office.
: Not applicable.
: The authors declare that they have no competing interests.