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Abstract
Introduction Nigeria, Ethiopia and Tanzania have some of the highest teenage pregnancy rates and lowest rates of modern contraceptive use among adolescents. The transdisciplinary Adolescents 360 (A360) initiative being rolled out across these three countries uses human-centred design to create context-specific multicomponent interventions with the aim of increasing voluntary modern contraceptive use among girls aged 15–19 years.
Methods The primary objective of the outcome evaluation is to assess the impact of A360 on the modern contraceptive prevalence rate (mCPR) among sexually active girls aged 15–19 years. A360 targets different subpopulations of adolescent girls in the three countries. In Northern Nigeria and Ethiopia, the study population is married girls aged 15–19 years. In Southern Nigeria, the study population is unmarried girls aged 15–19 years. In Tanzania, both married and unmarried girls aged 15–19 years will be included in the study. In all settings, we will use a prepopulation and postpopulation-based cross-sectional survey design. In Nigeria, the study design will also include a comparison group. A one-stage sampling design will be used in Nigeria and Ethiopia. A two-stage sampling design will be used in Tanzania. Questionnaires will be administered face-to-face by female interviewers aged between 18 and 26 years. Study outcomes will be assessed before the start of A360 implementation in late 2017 and approximately 24 months after implementation in late 2019.
Ethics and dissemination Findings of this study will be widely disseminated through workshops, conference presentations, reports, briefings, factsheets and academic publications.
- adolescents
- contraception
- evaluation
- reproductive health
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Footnotes
Contributors CJA, EM, SK, MKN, EEC, MM, CB, JRH and AMD were involved in conception and study design. CB provided statistical expertise. CJA, EM and AMD were involved in drafting of the manuscript. SK, MKN, EEC, MM, CB and JRH were involved in critical revision of the manuscript for important intellectual content. All the authors were involved in final approval of the manuscript and decision to submit the manuscript for publication.
Funding The Bill & Melinda Gates Foundation and the Children’s Investment Fund Foundation.
Competing interests None declared.
Patient consent Not required.
Ethics approval National Health Research Ethics Committee of Nigeria (Ref: NHREC/01/01/2007-25/05/2017), National Health Research Ethics Review sub-Committee of Tanzania (Ref: NIMR/HQ/R.8a/Vol. IX/2549), Oromia Health Bureau Research Ethical Review Committee (Ref: BEFOIHBTFH/1-8/2844) and the London School of Hygiene and Tropical Medicine Ethics Committee (Ref: 14145).
Provenance and peer review Not commissioned; externally peer reviewed.
Data sharing statement This is a study protocol paper. No data are yet available. Our research findings dissemination plan includes peer-reviewed publications, stakeholder workshops, reports and briefings, social media and presentations at different forums. In compliance with the funder’s requirements, after a period of 6–12 months following the endline survey, the data will be made available via the London School of Hygiene and Tropical Medicine Data Repository after removing all direct and indirect identifiers from the data.