Funding for this research was provided by:
Charité - Universitätsmedizin Berlin
Received: 2 October 2020
Accepted: 10 December 2021
First Online: 30 December 2021
: The study is based on a secondary data analysis based on data from PDHS 2017–18, a publicly available dataset. Therefore, an ethical approval is not required. Respondents were informed about the ethics and right of voluntary participation. Written informed consent was obtained.
: Not applicable.
: The authors declare that no competing interest exist. FF serves on the Editorial Board of BMC Public Health as Associate Editor.