Text and Data Mining valid from 2019-11-25
Received: 10 May 2019
Accepted: 25 October 2019
First Online: 25 November 2019
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.