Article History
Received: 7 August 2019
Accepted: 5 December 2019
First Online: 2 January 2020
Compliance with ethical standards
:
: The authors declare no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.
: This article does not require any ethical approval because it used the secondary data of the DHS, which is open to public.
: Not applicable.