Article History
Received: 27 August 2018
Accepted: 30 October 2018
First Online: 10 December 2018
Ethics approval and consent to participate
: Our study is based on Demographic and Health Survey data, which is routinely collected. Procedures and questionnaires for standard DHS have been reviewed and approved by ICF Institutional Review Board (IRB). Additionally, country-specific DHS protocols are reviewed by the ICF IRB and IRBs in Ghana, Kenya and Zambia.
: Not applicable.
: The authors declare that they have no competing interests.
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