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Related Experiment Video

Updated: Aug 6, 2025

Generation of Electronic Cigarette Aerosol by a Third-Generation Machine-Vaping Device: Application to Toxicological Studies
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Social Network Influences on Adolescent E-cigarette Use.

Thomas W Valente1, Sarah E Piombo1, Katie M Edwards2

  • 1Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, California, USA.

Substance Use & Misuse
|March 16, 2023
PubMed
Summary

Adolescent vaping is linked to friends who vape, whether through peer influence or selecting new vaping friends. This connection is particularly strong for younger adolescents, highlighting the need for targeted prevention programs.

Keywords:
E-cigarettecontagiondiffusionelectronic nicotine delivery systemsinfluencepeerpeer selectionsocial network analysisvaping

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Area of Science:

  • Adolescent Health
  • Social Network Analysis
  • Substance Use Research

Background:

  • Adolescent vaping (e-cigarette use) is a growing public health concern.
  • Understanding the social dynamics, such as peer influence and selection, is crucial for effective prevention strategies.
  • Previous research has not fully explored the interplay of peer influence and selection in adolescent vaping behavior within school social networks.

Purpose of the Study:

  • To determine if adolescent vaping is associated with their friends' vaping behaviors.
  • To investigate whether this association is driven by peer influence (adopting friends' behaviors) or peer selection (choosing friends with similar behaviors).
  • To examine if these effects vary by age among adolescents.

Main Methods:

  • A two-wave longitudinal survey was conducted with 1,208 students in a Midwestern US school district.
  • Social network data were collected by asking students to name their closest friends.
  • Statistical analyses, including logistic regression and Stochastic Actor Oriented Models (SAOMs), were used to assess influence and selection effects.

Main Results:

  • Adolescent vaping was significantly associated with friends who vape (cross-sectional analysis).
  • Increased exposure to friends who vape predicted individual vaping initiation (longitudinal analysis).
  • Selecting new friends who vape was also a significant predictor of becoming a vaper, with both influence and selection effects evident in younger adolescents (under 14).

Conclusions:

  • This study provides the first social network analysis evidence that adolescent vaping is influenced by peer vaping behaviors and friend selection.
  • Peer influence and selection play a role in adolescent e-cigarette use, especially among younger teens.
  • Prevention and cessation programs should incorporate strategies that address peer dynamics in e-cigarette use among adolescents.