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Peer leaders matter: Effects of peer leaders substance use behavior on the substance use behavior of

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Title: Peer leaders matter: Effects of peer leaders substance use behavior on the substance use behavior of


1
Peer leaders matter Effects of peer leaders
substance use behavior on the substance use
behavior of students in alternative high schools
  • Patchareeya P. Kwan, Kayo Fujimoto, PhD
  • Thomas W. Valente, PhD
  • Institute for Prevention Research Department of
    Preventive Medicine, Keck School of Medicine,
  • University of Southern California
  • September 26, 2008

2
Objectives
  • To demonstrate the association between peer
    leader status, peer leaders substance use
    behaviors and the behaviors of students in the
    peer-led groups of a substance abuse prevention
    program

3
Methods
  • Randomized controlled trial
  • 12 session curriculum of Project Toward No Drug
    Abuse (TND) (S. Sussman)
  • Classrooms assigned to 1 of 3 conditions
  • control standard TND TND-Network
  • Data collected at baseline, pre-test data, and
    post-test
  • Information on substance use behavior and
    students friendship and leadership networks were
    assessed

4
Standard TND
TND-Network
Individual students
Peer led group
Peer led group
Peer led group
5
Analysis
  • Post test data from approximately 500 students
  • Mixed model analysis
  • Variables of interest
  • Last month drug use at post-test (DV)
  • Last month drug use at baseline (IV)
  • Peer leaders last month drug use at baseline
    (IV)
  • Peer leaders last month drug use at post-test
    (IV)

6
Results
Regression of last month drug use at post test
7
Preliminary Conclusion
  • Overall, peer leaders substance use behaviors at
    baseline and post-test were significantly
    associated with change in the substance use
    behaviors of the students they led
  • Being a peer leader is not associated with
    substance use behaviors at post-test

8
Implications
  • Behaviors of popular students are often mirrored
    by other students in the school setting
  • Peer leaders play an important role in prevention
    programs amongst high risk youths
  • Utilizing peer leaders to model positive behavior
    is fundamental

9
Acknowledgements Steve Sussman, PhDJanet
Okamoto, MPH, CHESFundingUSC TPRC is funded by
grant DA 16094 from the Division of Epidemiology,
Services, and Prevention Research, NIDA
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