Greek Connections Study
Increasing Availability of and Engagement in Alcohol-Free Social Activities to Address Heavy Episodic Drinking and Alcohol Consequences Among Fraternity and Sorority College Students
2 other identifiers
interventional
480
1 country
1
Brief Summary
The purpose of this study is to evaluate the feasibility and acceptability of an intervention aiming to reduce heavy episodic drinking and negative consequences from alcohol by increasing the availability of and engagement in alcohol-free social activities for college students who are affiliated with a fraternity or sorority organization.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Sep 2026
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
September 1, 2026
CompletedFirst Submitted
Initial submission to the registry
September 18, 2026
CompletedFirst Posted
Study publicly available on registry
September 24, 2026
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 1, 2028
ExpectedStudy Completion
Last participant's last visit for all outcomes
June 1, 2028
September 24, 2026
September 1, 2026
1.8 years
September 18, 2026
September 18, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (7)
Intervention Feasibility: Recruitment
Number of chapters who agree to participate in the intervention
From initiation of chapter recruitment through the end of Year 1 enrollment, approximately 18 months.
Intervention Feasibility: Retention
The proportion of participating chapters that remain actively involved in the program through completion of the intervention period.
From chapter enrollment through completion of the intervention period, approximately 14 months
Intervention Feasibility: Engagement
Number of Greek members who attend the social activities
The intervention delivery period (approximately 4 weeks) during year 2
Weiner's Acceptability measure
Measure of acceptability of the intervention
Post-intervention during Year 2
Weiner's Intervention Appropriateness measure
Measure of appropriateness of the intervention
Post-intervention during Year 2
Weiner's Feasibility measure
Measure of feasibility of the intervention
Post-intervention during Year 2
Intervention Feasibility: Enjoyment Ratings
Ratings of enjoyment from Greek members who attend an alcohol-free social activity
During the intervention period in Year 2
Secondary Outcomes (3)
Heavy episodic drinking episodes
Assessment periods over two months of Year 1 and Year 2
Alcohol consequences
Assessment periods over two months of Year 1 and Year 2
Intervention Feasibility: Practicality
The intervention delivery period (approximately 4 weeks) during year 2
Study Arms (1)
Alcohol-Free Social Activities Program
EXPERIMENTALInterventions
The Alcohol-Free Social Activities Program is a chapter-level behavioral intervention designed to increase the availability of and participation in rewarding social activities that do not involve alcohol among fraternity and sorority members. Participating chapters will receive a program toolkit containing guidance and procedures for planning and implementing alcohol-free social activities. Chapter leaders will select, plan, and implement activities for their members during the intervention period. The program is designed to increase opportunities for rewarding alcohol-free social experiences and strengthen social connection among chapter members.
Eligibility Criteria
You may qualify if:
- Active membership in a sorority or fraternity organization at the University of Washington
- Age 18-29 years
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
University of Washington School of Medicine
Seattle, Washington, 98105, United States
Related Publications (2)
Murphy JG, Dennhardt AA. The behavioral economics of young adult substance abuse. Prev Med. 2016 Nov;92:24-30. doi: 10.1016/j.ypmed.2016.04.022. Epub 2016 May 3.
PMID: 27151545BACKGROUNDAcuff SF, MacKillop J, Murphy JG. A contextualized reinforcer pathology approach to addiction. Nat Rev Psychol. 2023;2(5):309-323. doi: 10.1038/s44159-023-00167-y. Epub 2023 Mar 21.
PMID: 37193018BACKGROUND
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Elizabeth Lehinger, PhD
University of Washington
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NA
- Masking
- NONE
- Purpose
- PREVENTION
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Acting Assistant Professor
Study Record Dates
First Submitted
September 18, 2026
First Posted
September 24, 2026
Study Start
September 1, 2026
Primary Completion (Estimated)
June 1, 2028
Study Completion (Estimated)
June 1, 2028
Last Updated
September 24, 2026
Record last verified: 2026-09
Data Sharing
- IPD Sharing
- Will share
- Shared Documents
- STUDY PROTOCOL
- Time Frame
- Beginning 1 year after publication of the main outcomes with no end date.
- Access Criteria
- Qualified researchers
This study will submit and share data with NIAAA Data Archive (NIAAADA), a data repository housed within the NIMH Data Archive (NDA). De-identified individual participant data underlying the results reported from this study will be made available to qualified researchers for secondary research purposes, consistent with participant consent, applicable institutional requirements, and the study's NIH-approved Data Management and Sharing Plan. Data will be de-identified prior to sharing. Data will be made available through NIAAADA and/or a controlled-access process. Researchers requesting access may be required to submit a research proposal and enter into a data use agreement that prohibits attempts to identify participants or participating organizations.