Text and Data Mining valid from 2019-11-12
Received: 31 July 2018
Accepted: 22 August 2019
First Online: 12 November 2019
Ethics approval and consent to participate
: The data used for this study are publicly available secondary data with non-identifiable information that do not need ethical clearance. The DHS Program granted permission to access and use the data files. An ethics waiver was granted by the Research Ethics Board at Western University in accordance with regulations pertaining to the use of anonymous secondary data.
: Not applicable.
: The authors declare that they have no competing interests.