Funding for this research was provided by:
Fundação Calouste Gulbenkian
Camões - Portuguese Institute for Cooperation and Language
Ministério da Saúde de Angola
Governo Provincial do Bengo
Received: 19 October 2020
Accepted: 6 May 2021
First Online: 25 May 2021
: The Ethics Review Committees of the Ministry of Health of Angola and the Institute of Public Health of the University of Porto approved this study. Considering the routine, descriptive and non-sensitive nature of the information collected and the high number of records for all households included in the HDSS, the Ethics Committees approved verbal consent procedures. Participation was voluntary. In each visit, participants were informed of the HDSS broad objectives, the optional feature of their participation, and their right to withdraw from an interview, participating in the study after providing their informed verbal consent. All forms used in the HDSS were approved and registered in the Angolan National Institute of Statistics with the number 0019 (Document 746/440/ DG/INE/09).
: Not Applicable.
: We have no conflict of interests to disclose in the authorship or publication of this contribution.