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Citation
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Baumann S, Gaertner B, Haberecht K, Bischof G, John U, Freyer-Adam J. Drug Alcohol Depend. 2017; 175: 119-126. |
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Affiliation
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Institute of Social Medicine and Prevention, University Medicine Greifswald, Walther-Rathenau-Str. 48, D-17475 Greifswald, Germany; German Centre for Cardiovascular Research (DZHK), Partner Site Greifswald, Fleischmannstr. 42-44, D-17475 Greifswald, Germany; Institute for Medical Psychology, University Medicine Greifswald, Walther-Rathenau-Str. 48, D-17475 Greifswald, Germany. |
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Abstract
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OBJECTIVE: to test if people with different day-to-day drinking patterns benefitted differently from two brief alcohol interventions (BAIs).
METHODS: A total of 1243 job-seekers with at-risk alcohol use aged 18-64 years (64% men) were randomized to (a) intervention tailored to the motivational stage (ST), (b) non-stage tailored intervention (NST), or (c) assessment only (AO). ST and NST contained individualized computer-generated feedback letters. Follow-ups were conducted at months 3, 6, and 15. Using growth mixture models, day-to-day drinking patterns were identified based on the number of drinks consumed on each day in the week prior to baseline assessment. To test drinking pattern-specific intervention effects, zero-inflated growth models were used. Outcomes were (1) the 15-month change in the likelihood of any alcohol use and (2) the 15-month change in the total number of drinks per week when alcohol was consumed.
RESULTS: Four day-to-day drinking patterns were found: daily medium use (2-4 drinks/day; 47%), daily low use (1-2 drinks/day; 29%), weekend only use (18%), and no use (6%). Only persons with daily low use benefitted from intervention, with higher odds of being abstinent after 15 months in the ST group compared to AO (odds ratio, OR=1.67, p=0.001) and NST group (OR=1.43, p=0.035). ST worked better among persons with daily low use compared to daily medium use (OR=1.91, p=0.001).
CONCLUSIONS: Among at-risk drinking persons with regular low-quantity alcohol use, stage tailored BAIs may be superior over no BAI and non-stage tailored BAIs.
Copyright © 2017 Elsevier B.V. All rights reserved.
Language: en |