Text and Data Mining valid from 2020-01-14
Received: 5 April 2019
Accepted: 25 October 2019
First Online: 14 January 2020
Ethics approval and consent to participate
: This study used open access data and no need to obtain an ethical approval.
: This study was carried out using the Demographic Health Survey (DHS) data and we obtained access to the dataset from the DHS.
: The authors declare that they have no competing interests.