Table 5 Detailed Information on Survey Implementation, Sampling Procedures, Including Ethical Assurances and Cluster and Split-Sample Design

Implementers

In-country ethical clearance

Ethical considerations

% (95% CI)

Cambodia

National Institute of Statistics (NIS), Ministry of Planning (MoP)

National Ethics Committee for Health Research

Survey introduced as a study to learn about young people’s health, education and life experiences.

Supervisors, enumerators and drivers signed confidentiality agreements.

All respondents provided with a list of local and national services (incl. Violence response services). Counselling and response services offered to respondents affected by violence through NGO partners in collaboration with the Ministry of Social Affairs, Veterans and Youth Rehabilitation.

PV (N = 1164): 59.67; 95% CI: (56.07, 63.27)

SV (N = 1164): 5.95; 95% CI: (4.29, 7.61)

PV and/or SV (N = 1164): 60.61; 95% CI: (57.06, 64.17)

Haiti

Interuniversity Institute for Research and Development (INURED)

Ministry of Public Health and Population’s National Ethics Committee

Study described in general terms with a broad list of topics (e.g., health, safety, community violence).

All respondents provided with a list of local and regional services as well as a national hotline. Counselling and response services offered to respondents affected by violence through PEPFAR, the Ministry of Health and Population and Partners in Health.

PV (N = 1394): 69.78; 95% CI: (66.03, 73.52)

SV (N = 1376): 27.89; 95% CI: (25.01, 30.76)

PV and/or SV (N = 1394): 75.48; 95% CI: (71.96, 79.00)

Kenya

Kenya National Bureau of Statistics

Kenya Medical Research Institute

Survey introduced as a study focusing on “health, education and life experiences” of children and youth.

All respondents provided with a list of local and regional services as well as a national hotline. Counselling and response services offered to respondents affected by violence through an NGO partner.

PV (N = 1288): 79.28; 95% CI: (75.13, 83.43)

SV (N = 1278): 18.31; 95% CI: (14.85, 21.76)

PV and/or SV (N = 1289): 81.35; 95% CI: (77.41, 85.28)

Malawi

Centre for Social Research of the University of Malawi

Malawian National Commission for Science and Technology Ethical Review Board

Study was described in general terms with a broad list of topics (e.g., health, safety, community violence) related to the health and life experiences of young people.

All respondents provided with a list of local and national services. Free services offered to respondents affected through the Centre for Social Research.

PV (N = 1070): 75.8; 95% CI: (71.39, 80.20)

SV (N = 1070): 27.97; 95% CI: (23.35, 32.60)

PV and/or SV (N = 1070): 79.31; 95% CI: (75.38, 83.25)

Nigeria

National Population Commission of Nigeria (NPopC)

National Health Ethics Research Committee, National Ministry of Health

Study was described in general terms with a broad list of topics (e.g., health, safety, community violence) related to the health and life experiences of young people.

All respondents provided with a list of local and national services. A minimum of one female and one male social worker from the State Ministry of Women Affairs in each geo-political zone (≥ 12 social workers) were on call for referral during the entire survey implementation period.

PV (N = 1847): 61.29; 95% CI: (57.66, 64.91)

SV (N = 1830): 20.22; 95% CI: (17.34, 23.10)

PV and/or SV (N = 1847): 66.56; 95% CI: (63.10, 70.02)

Tanzania

Muhimbili University of Health and Allied Sciences

Muhimbili University of Health and Allied Sciences Institutional Review Board; Zanzibar Ministry of Health and Social Welfare Institutional Review Board

Study was described in general terms with a broad list of topics (e.g., health, safety, community violence) related to the health and life experiences of young people.

All respondents provided with a list of local and regional services. In Mainland Tanzania, the study coordinator worked to find local counselling services. When none were available, he/she deployed a counsellor from Dar es Salaam who provided counselling and made an effort to link the victim with local services. Social welfare officers were contacted in advance to ensure their cooperation if required. In Zanzibar, the study coordinator worked with government district welfare officers to provide counselling and link victims to services.

PV (N = 1809): 80.95; 95% CI: (76.24, 85.66)

SV (N = 1814): 23.14; 95% CI: (19.54, 26.74)

PV and/or SV (N = 1814): 83.18; 95% CI: (78.99, 87.38)