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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.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Control | Active Comparator | 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. |
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| Goal Support (GS) | Experimental | 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. |
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| GS + Coaching for Context-specific Peer Support (CCPS) | Experimental | 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. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Control | Behavioral | 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. |
| 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 |
| 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 |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Brian Suffoletto | Stanford University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Stanford University | Palo Alto | California | 94301 | United States |
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| ID | Term |
|---|---|
| D000428 | Alcohol Drinking |
| D063425 | Binge Drinking |
| ID | Term |
|---|---|
| D004327 | Drinking Behavior |
| D001519 | Behavior |
| D019973 | Alcohol-Related Disorders |
| D019966 | Substance-Related Disorders |
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| Goal Support (GS) | Behavioral | 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. |
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| Coaching for Context-specific Peer Support (CCPS) | Behavioral | Each week for 6-weeks, CCPS group participants will receive weekly motivation and strategies to enlist peer support during drinking episodes. |
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| 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 |
| D064419 |
| Chemically-Induced Disorders |
| D001523 | Mental Disorders |