Funding for this research was provided by:
United Nations Population Fund (UNFPA-FKM UI agreement under UNFPA Indonesia 9th CP (2016-2020) date November 9th 2016)
Received: 5 September 2019
Accepted: 28 December 2020
First Online: 11 January 2021
Ethics approval and consent to participate
: As the study entailed secondary analysis of existing data containing no personal identifying information, an exemption from ethical review requirements was granted by the University of Indonesia Research Ethics Review Board. Consent to participate was not an issue for the same reason.
: Not applicable.
: The authors declare that they have no competing interests.