Received: 1 November 2018
Accepted: 11 July 2019
First Online: 24 July 2019
Ethics approval and consent to participate
: The present study was based on a retrospective analysis of existing public domain (2014 Tanzania GSHS) survey dataset that is available freely available online with all identifier information detached. The Tanzania 2014 GSHS was approved by both the Tanzania Ministry of Health and Social Welfare (MoHSW) (currently Ministry of Health, Community Development, Gender, Elderly and Children /MoHCDGEC) and Ministry of Education and Vocational Training (MoEVT) (currently Ministry of Education, Science and Technology /MoEST). Therefore, the ethical approval for the current study analysis was automatically deemed unnecessary.
: Not applicable for the current analysis.
: The authors declare that they have no competing interests.