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Peer Influences in Alcohol and Sexual Violence Among Marines Dyads

StatusRecruiting
PhaseNot applicable
Started
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Record History

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  1. Phase changed: not specified → not applicable
    • Interventions modified
    • Eligibility criteria expanded, about 6 words
  2. Trial status: Not Yet Recruiting to Recruiting
    • Start date changed from estimate of Jan 15, 2026 to Mar 18, 2026
    • Site details revised
    v3
  3. Primary endpoints: 2 to 3
    • Eligibility criteria revised
    • Study description expanded, about 2 words
    v2
  4. Study First Submitted
  • Stopped: an ongoing trial was terminated, suspended or withdrawn.
  • Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
  • Minor: routine progress and housekeeping, such as sites added or enrollment closed.
The goal of this experimental study is to examine the complex and multifaceted influence of peers on alcohol-involved sexual violence perpetration (ASVP) in U.S. Marine Corps (USMC) men. The specific aims are: Aim 1: Use ecological momentary assessment (EMA) to examine event-level effects of one's own alcohol use, peer alcohol use, and injunctive norms on ASVP intentions among dyads of Marine men who drink together (n=160 dyads; 320 total participants). Aim 2: Examine the individual and peer effects on ASVP behavior in an experimental paradigm with a gender x confederate (potential victim) intoxication status design. In-the-moment dyad-peer verbalized encouragement for ASVP ("go cues") will be assessed by qualitatively coding verbalizations during the interaction. Aim 3: Examine modifiable risk factors on ASVP intentions in vivo (Aim 1; EMA) and ASVP behavior in vitro (Aim 2; experiment) settings. Participants will complete: 1) an individual orientation session with informed consent, baseline assessment, and EMA demo; 2) 14 days of EMA completed individually; and 3) a dyadic session to complete an experimental paradigm via videoconferencing. All study procedures will be completed in off-duty time as to not interfere with military duties.
Trial Details
NCT Number NCT07256275
Lead Sponsor Georgia State University
Collaborators: Medical University of South Carolina, University of Colorado Health, University of Washington
Conditions
(from sponsor)		 Peer Influence, Alcohol-Involved Sexual Violence Perpetration
Enrollment 320 participants
Start Date
Primary Completion (estimated)
Study Completion (estimated)
Updated on ClinicalTrials.gov