Received: 16 May 2021
Accepted: 19 August 2022
First Online: 20 September 2022
: The study is a secondary analysis of publicly available anonymized survey data, which does not require formal ethical clearance. The UNICEF obtained ethical approval for the original surveys from Sudan National Bureau of Statistics and Sudan Federal Ministry of Health. During the primary data collection, verbal informed consent was obtained from all the participants following the MICS standard data collection procedure (ExternalRef removed). We confirm that all methods were performed in accordance with the relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests.