Received: 19 October 2020
Accepted: 18 February 2021
First Online: 26 February 2021
Ethics approval and consent to participate
: The DRC-SPA survey was approved by the institutional review board of the Kinshasa School of Public Health. We obtained permission to use the survey data from the Measure Demographic Health Survey Program. Further ethical approval was not required, as our research is a secondary data analysis of publicly available datasets that do not include any identifiable information that links to the survey participants.
: Not applicable.
: The authors declare that they have no competing interests.