Funding for this research was provided by:
Wellcome Trust (212176, 201866, 203077, 103602)
DELTAS Africa Intiative (DEL-15-003)
Received: 10 February 2020
Accepted: 13 July 2020
First Online: 18 July 2020
Ethics approval and consent to participate
: This is a retrospective study of secondary data (Kenya and Demographic Health Survey 2014-KDHS 2014) that are publicly available. The procedures and questionnaires for DHS surveys have been reviewed and approved by the ICF International Institutional Review Board.
: Not applicable. The manuscript does not contain any individual person’s data.
: The authors declare that they have no competing interests.