Received: 21 January 2019
Accepted: 12 June 2020
First Online: 17 June 2020
Ethics approval and consent to participate
: The NDHS Individual recode (IR) datafile used in this study was de-identified. It is no longer possible to identify the participants because all personally identifiable information has been removed. Therefore, no further ethics approval was required. However, permission to use the data was obtained from Measure DHS/ICF International, USA.
: Not Applicable.
: The author declares no competing interests.