Evaluating Within-Person and Between-Person Effects Of A Personalized Normative Feedback Intervention On Drinking As They Are Moderated By Self-Determination

University of Houston

Status: Completed

Conditions: Alcohol Drinking

Treatments: Behavioral: Social Media Personalized Normative Feedback; Behavioral: Alcohol-Specific Personalized Normative Feedback

Study type: Interventional

Funder types: Other; NIH

Identifiers

NCT03583515

1F31AA026195-01A1 (U.S. NIH Grant/Contract)

Details and patient eligibility

About

This study evaluates within-person and between-person effects of a personalized normative feedback intervention and injunctive norms as they are altered by self-determination in heavy drinkers. Half of participants will receive personalized normative feedback and the other half will receive control feedback about media use habits.

Enrollment: 136 patients

Sex: All

Ages: 18+ years old

Volunteers: No Healthy Volunteers

Inclusion and exclusion criteria

Inclusion Criteria:

• Student at the University of Houston
• Above 18 years of age
• Heavy drinker (more than 4 drinks [women] or 5 drinks [men] on a single occasion in the last 2.5 weeks and drinks, on average, at least once per week.

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Double Blind

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136 participants in 2 patient groups, including a placebo group

Alcohol-Specific Personalized Normative Feedback

Experimental group

Description:

Participants will receive feedback about their average number of days on which alcohol was consumed, average drinks per occasion, and average number of drinks per week. This feedback will include the participant's averages reported at baseline, the participant's descriptive norm of others' averages (what they think others drank), and actual others' drinking. Feedback will be about other students at their university of the same sex.

Treatment:

Behavioral: Alcohol-Specific Personalized Normative Feedback

Social Media Personalized Normative Feedback

Placebo Comparator group

Description:

Participants will receive feedback about their number of hours texting, on social media websites, and playing video games. This feedback will include the participant's averages reported at baseline, the participant's descriptive norm of others' averages (what they think others did), and actual others' behavior. Feedback will be about other students at their university of the same sex.

Treatment:

Behavioral: Social Media Personalized Normative Feedback