Received: 11 February 2019
Accepted: 26 August 2019
First Online: 10 September 2019
Ethics approval and consent to participate
: The data used in this study is a secondary data. Ethical approval and consent were sought at the time of the data collection by the DHS program. The original data collection process was subject to necessary ethical guidelines. We sought permission from the DHS program to use the data and this was granted.
: Not applicable.
: The authors declare that they have no competing interests.