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Related Experiment Video

Updated: Nov 1, 2025

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Comparing targeting strategies for network-based adolescent drinking interventions: A simulation approach.

Cassie McMillan1, David R Schaefer2

  • 1Northeastern University, 900 Renaissance Park, Boston, MA, 02115, United States.

Social Science & Medicine (1982)
|June 27, 2021
PubMed
Summary

Network interventions can reduce adolescent risky behaviors. Targeting well-connected individuals benefits non-participants, while friend group strategies protect participants from peer influence, especially in high-influence settings.

Keywords:
AdolescentsAlcohol useEmpirically-grounded simulationsHealth interventionsSocial networks

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Area of Science:

  • Public health
  • Social science
  • Network science

Background:

  • Network-based strategies show promise for adolescent health interventions.
  • Understanding how intervention variants affect behavior distribution is crucial.

Purpose of the Study:

  • Evaluate five network-based targeting strategies for adolescent health behaviors.
  • Assess differential impacts on participants versus non-participants.
  • Examine long-term alcohol use and contextual moderators.

Main Methods:

  • Empirically-grounded simulations using 28 school-based networks (PROSPER study).
  • Analysis of long-term alcohol use for participants and non-participants.
  • Investigation of peer influence as a moderating factor.

Main Results:

  • Targeting well-connected adolescents reduced drinking in non-participants.
  • Targeting friend groups protected participants from negative influences.
  • Effects were amplified in high peer influence contexts.

Conclusions:

  • Network intervention design significantly impacts adolescent health behavior outcomes.
  • Tailoring strategies to network structure and context is key for effectiveness.
  • Understanding network dynamics can optimize public health interventions.