Texting to Reduce Alcohol Misuse Pilot Trial

Study Overview
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Brief Summary
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The primary aims of this project are to determine the feasibility and acceptability of recruiting and retaining young adult binge drinkers online and using text messaging to provide weekly Goal Support (GS) or weekly GS + Coaching for Context-specific Peer Support (CCPS) on alcohol consumption. The secondary aims will determine effect sizes for GS and GS+CCPS groups relative to controls on alcohol consumption at 6- and 12-weeks to inform design of an adequately-powered trial.

Official Title
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Texting to Reduce Alcohol Misuse Pilot Trial

Conditions
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Alcohol Consumption

Intervention / Treatment
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* Behavioral: Control
* Behavioral: Goal Support (GS)
* Behavioral: Coaching for Context-specific Peer Support (CCPS)


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: English reader Owns a mobile phone with SMS Hazardous alcohol consumption as measured by: How many times in the past year have you had X or more drinks in a day?, where X is 5 for men and 4 for women, and a response of 1 or greater is considered at-risk At least in contemplative stage of change for reducing alcohol consumption Exclusion Criteria: Currently enrolled or past enrollment in a 4-year college Pregnant or pregnancy plans in the next 3-months Current or planned treatment for alcohol or substance use disorder in next 3-months

Ages Eligible for Study
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Minimum Age: 18 Years
Maximum Age: 25 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Prevention
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Single


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Active Comparator: Control<br>Each week for 6-weeks, control group participants will receive the following weekly text message assessments (without receiving any feedback or support): (1) Thursdays (3pm): weekend plans to drink and desire to get drunk; (2) Sundays (12pm): most drinks consumed on any weekend day and peer pressure to drink. | Behavioral: Control<br>* Each week for 6-weeks, control group participants will receive the following weekly text message assessments (without receiving any feedback or support): (1) Thursdays (3pm): weekend plans to drink and desire to get drunk; (2) Sundays (12pm): most drinks consumed on any weekend day and peer pressure to drink.<br>|
| Experimental: Goal Support (GS)<br>Each week for 6-weeks, GS group participants will compete identical weekly text message assessments to the control group and receive further prompts and tailored feedback and support focused on weekly drinking limit goal commitment & confidence assessments and subsequently receive tailored feedback on goal success to either bolster future goal striving or reframe goal failure. | Behavioral: Control<br>* Each week for 6-weeks, control group participants will receive the following weekly text message assessments (without receiving any feedback or support): (1) Thursdays (3pm): weekend plans to drink and desire to get drunk; (2) Sundays (12pm): most drinks consumed on any weekend day and peer pressure to drink.<br>Behavioral: Goal Support (GS)<br>* Each week for 6-weeks, GS group participants will receive prompts and tailored feedback and support focused on weekly drinking limit goal commitment & confidence assessments and subsequently receive tailored feedback on goal success to either bolster future goal striving or reframe goal failure.<br>|
| Experimental: GS + Coaching for Context-specific Peer Support (CCPS)<br>Each week for 6-weeks, CCPS group participants will compete identical weekly text message assessments and feedback to GS plus additionally will receive weekly motivation and strategies to enlist peer support during drinking episodes. | Behavioral: Control<br>* Each week for 6-weeks, control group participants will receive the following weekly text message assessments (without receiving any feedback or support): (1) Thursdays (3pm): weekend plans to drink and desire to get drunk; (2) Sundays (12pm): most drinks consumed on any weekend day and peer pressure to drink.<br>Behavioral: Goal Support (GS)<br>* Each week for 6-weeks, GS group participants will receive prompts and tailored feedback and support focused on weekly drinking limit goal commitment & confidence assessments and subsequently receive tailored feedback on goal success to either bolster future goal striving or reframe goal failure.<br>Behavioral: Coaching for Context-specific Peer Support (CCPS)<br>* Each week for 6-weeks, CCPS group participants will receive weekly motivation and strategies to enlist peer support during drinking episodes.<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| The % of people screened to participants enrolled | Online recruitment efficiency | 2 months | 
| The % of participants who complete both 6- and 12-week web-based assessments | Follow-up completion | 12 weeks | 
| The % of SMS queries with valid responses | Response rates to SMS queries | 6 weeks | 
| The % of participants who at least agree that the SMS program helped them reduce their drinking | A single question with response options: completely disagree to completely agree | 12 weeks | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| # Binge drinking days | Count of binge drinking days using TLFB 30-day calendar | 6-weeks | 
| Binge drinking days | Count of binge drinking days using TLFB 30-day calendar | 12-weeks | 
| Drinks per drinking day | Mean drinks per drinking day using TLFB 30-day calendar | 6-weeks | 
| Drinks per drinking day | Mean drinks per drinking day using TLFB 30-day calendar | 12-weeks | 
| # Alcohol negative consequences | B-YAACQ: 24 yes/no questions | 6-weeks | 
| Alcohol negative consequences | B-YAACQ: 24 yes/no questions | 12-weeks | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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young adults, binge drinking, text message