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Brief Motivational Intervention for Underage Young Adult Drinkers: Results from a Randomized Clinical Trial.

ABSTRACT: BACKGROUND:While there is a substantial literature on the efficacy of brief motivational intervention (BMI) for college student drinkers, research has focused less on young adults who do not attend a 4-year college, despite their elevated risk for excessive alcohol use and associated harmful consequences. METHODS:This randomized controlled trial (NCT01546025) compared the efficacy of BMI to a time-matched attention control intervention (relaxation training [REL]) for reducing alcohol consumption and related negative consequences in an underage young adult sample. BMI was tailored to the developmental transition out of high school for young adults who were not immediately planning to enroll in a 4-year college. Non-treatment-seeking underage drinkers who reported past-month heavy drinking (N = 167; ages 17 to 20; 42% female; 59% non-Hispanic White) were randomly assigned to receive a single session of BMI or REL. Outcomes were evaluated 6 weeks and 3 months postintervention via in-person assessments. RESULTS:Generalized estimating equation models provided strong support for the efficacy of BMI for reducing harmful drinking in these young adults. Compared to REL, and after controlling for baseline covariates including gender, those who received BMI subsequently reported significantly fewer average drinks per week, percent drinking days, percent heavy drinking days, lower peak and typical estimated blood alcohol concentration on drinking days, and fewer adverse consequences of drinking (all ps < 0.05). These between-group effects did not weaken over the course of the 3-month follow-up period. CONCLUSIONS:These findings demonstrate an efficacious approach to tailoring BMI for non-college-attending young adults. Future research should replicate and extend these findings over a longer follow-up period.

SUBMITTER: Colby SM

PROVIDER: S-EPMC6084798 | biostudies-literature | 2018 Jul

REPOSITORIES: biostudies-literature

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Brief Motivational Intervention for Underage Young Adult Drinkers: Results from a Randomized Clinical Trial.

Colby Suzanne M SM Orchowski Lindsay L Magill Molly M Murphy James G JG Brazil Linda A LA Apodaca Timothy R TR Kahler Christopher W CW Barnett Nancy P NP

Alcoholism, clinical and experimental research 20180606 7

<h4>Background</h4>While there is a substantial literature on the efficacy of brief motivational intervention (BMI) for college student drinkers, research has focused less on young adults who do not attend a 4-year college, despite their elevated risk for excessive alcohol use and associated harmful consequences.<h4>Methods</h4>This randomized controlled trial (NCT01546025) compared the efficacy of BMI to a time-matched attention control intervention (relaxation training [REL]) for reducing alco ...[more]

PMID: 29750362

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Project description:Internet-based interventions for heavy drinkers show promising results, but existing research is characterized by few studies in nonstudent adult populations and few comparisons with appropriate control groups.To test whether a fully automated Internet-based brief personalized feedback intervention and a fully automated Internet-based personalized brief advice intervention in a non-treatment-seeking population of heavy drinkers would result in a reduced alcohol intake.We conducted a 3-arm parallel randomized controlled trial in a general population-based sample of heavy drinkers. The 54,157 participants (median age of 58 years) were screened for heavy drinking. Of the 3418 participants who had a weekly alcohol consumption above 14 drinks for women and 21 drinks for men, 1380 (619 women) consented to take part in the trial and were randomly assigned to an Internet-based brief personalized feedback intervention group (normative feedback, n = 476), an Internet-based personalized brief advice intervention group (n = 450), or a nonintervention control group (n = 454). Follow-up after 6 and 12 months included 871 and 1064 participants, respectively, of all groups combined. The outcome measure was self-reported weekly alcohol consumption. We analyzed the data according to the intention-to-treat principle. To examine changes over time and to account for the multiple time measurements, we used a multilevel linear mixed model. To take attrition into account, we used multiple imputation to address missing data.The intervention effect of the Internet-based brief personalized feedback intervention, determined as the mean additional difference in changes in alcohol consumption in the Internet-based brief personalized feedback intervention compared with the control group, was -1.8 drinks/week after 6 months and -1.4 drinks/week after 12 months; these effects were nonsignificant (95% confidence interval -4.0 to 0.3 at 6 months, -3.4 to 0.6 at 12 months). The intervention effect of the Internet-based personalized brief advice intervention was -0.5 drinks/week after 6 months and -1.2 drinks/week after 12 months; these effects were nonsignificant (95% confidence interval -2.7 to 1.6 at 6 months, -3.3 to 0.9 at 12 months).In this randomized controlled trial we found no evidence that an Internet-based brief personalized feedback intervention was effective in reducing drinking in an adult population of heavy drinkers.ClinicalTrials.gov NCT00751985; http://clinicaltrials.gov/ct2/show/NCT00751985 (Archived by WebCite at http://www.webcitation.org/68WCRLyaP).

Dataset Information

Brief Motivational Intervention for Underage Young Adult Drinkers: Results from a Randomized Clinical Trial.

Publications

Brief Motivational Intervention for Underage Young Adult Drinkers: Results from a Randomized Clinical Trial.

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