Cited by 60Adolescent Sexual and Reproductive HealthAdolescent Health and BehaviorsHIV/AIDS Research and Interventions

Is the sexual behaviour of young people in sub-Saharan Africa influenced by their peers? A systematic review

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Fearon, Elizabeth, Wiggins, Richard D., Pettifor, Audrey E., Hargreaves, James R.·2015·Social Science & Medicine

Abstract

Adolescents in sub-Saharan Africa are highly vulnerable to HIV, other sexually transmitted infections (STIs) and unintended pregnancies. Evidence for the effectiveness of individual behaviour change interventions in reducing incidence of HIV and other biological outcomes is limited, and the need to address the social conditions in which young people become sexually active is clear. Adolescents' peers are a key aspect of this social environment and could have important influences on sexual behaviour. There has not yet been a systematic review on the topic in sub-Saharan Africa. We searched 4 databases to find studies set in sub-Saharan Africa that included an adjusted analysis of the association between at least one peer exposure and a sexual behaviour outcome among a sample where at least 50% of the study participants were aged between 13 and 20 years. We classified peer exposures using a framework to distinguish different mechanisms by which influence might occur. We found 30 studies and retained 11 that met quality criteria. There were 3 cohort studies, 1 time to event and 7 cross-sectional. The 11 studies investigated 37 different peer exposure-outcome associations. No studies used a biological outcome and all asked about peers in general rather than about specific relationships. Studies were heterogeneous in their use of theoretical frameworks and means of operationalizing peer influence concepts. All studies found evidence for an association between peers and sexual behaviour for at least one peer exposure/outcome/sub-group association. Of all 37 outcome/exposure/sub-group associations tested, there was evidence for 19 (51%). There were no clear patterns by type of peer exposure, outcome or adolescent sub-group. There is a lack conclusive evidence about the role of peers in adolescent sexual behaviour in Sub-Saharan. We argue that longitudinal designs, use of biological outcomes and approaches from social network analysis are priorities for future studies.

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  1. Barker G, 2007 Adolescents, Social Support and Help-seeking Behaviour: An International Literature Review and Programme Consultation with Recommendations for Action: An International Literature Review and Programme Consultation with Recommendations for Action, WHO Discussion Papers on Adolescence Department of Child and Adolescent Health and Development, World Health Organization.

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Authors
Fearon, E., Wiggins, R. D., Pettifor, A. E., & Hargreaves, J. R.
Affiliations
  • London School of Hygiene & Tropical Medicine (GB)
  • University College London (GB)
  • University of North Carolina at Chapel Hill (US)
Corresponding author
Fearon, Elizabeth
Venue
Social Science & Medicine
Publisher
Elsevier BV
Published
2015-12
Volume
146
Pages
62-74
ISSN
0277-9536 (ISSN-L)
OpenAlex
W2188943733
Cited by
60
References
55
Citations by year
2026: 2 · 2025: 2 · 2024: 3 · 2023: 5 · 2022: 9 · 2021: 8 · 2020: 7 · 2019: 6 · 2018: 9 · 2017: 8 · 2016: 1
FWCI
1.09
Type
journal article
Language
en
Open access
Locations
  • Social Science & Medicine (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • LSHTM Research Online (London School of Hygiene and Tropical Medicine) (acceptedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • UCL Discovery (University College London) (submittedVersion)
Funders
Bloomsbury Colleges/London International Development Centre
Topics
  • Health Sciences › Health Professions › General Health Professions › Adolescent Sexual and Reproductive Health
  • Health Sciences › Health Professions › General Health Professions › Adolescent Health and Behaviors
  • Health Sciences › Medicine › Infectious Diseases › HIV/AIDS Research and Interventions
Keywords
adolescent sexual behavior, peer influence, adolescents, sub-Saharan Africa, HIV, sexually transmitted infections, unintended pregnancy, social networks
MeSH terms
Adolescent, Adolescent Behavior, Female, Humans, Male, Peer Group, Sexual Behavior, Sexually Transmitted Diseases, HIV Infections, Africa South of the Sahara, Young Adult, Social Norms

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