Do brief alcohol motivational interventions work like we think they do?

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Version: Final published version
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State: Public
Version: author
Serval ID
serval:BIB_32689EDC63A6
Type
Article: article from journal or magazin.
Collection
Publications
Institution
Title
Do brief alcohol motivational interventions work like we think they do?
Journal
Alcoholism, Clinical and Experimental Research
Author(s)
Bertholet N., Palfai T., Gaume J., Daeppen J.B., Saitz R.
ISSN
1530-0277 (Electronic)
ISSN-L
0145-6008
Publication state
Published
Issued date
2014
Peer-reviewed
Oui
Volume
38
Number
3
Pages
853-859
Language
english
Notes
Publication types: Journal Article
Abstract
BACKGROUND: Questions remain about how brief motivational interventions (BMIs) for unhealthy alcohol use work, and addressing these questions may be important for improving their efficacy. Therefore, we assessed the effects of various characteristics of BMIs on drinking outcomes across 3 randomized controlled trials (RCTs).
METHODS: Audio recordings of 314 BMIs were coded. We used the global rating scales of the Motivational Interviewing Skills Code (MISC) 2.1: counselor's acceptance, empathy, and motivational interviewing (MI) spirit, and patient's self-exploration were rated. MI proficiency was defined as counselor's rating scale scores ≥5. We also used the structure, confrontation, and advice subscale scores of the Therapy Process Rating Scale and the Working Alliance Inventory. We examined these process characteristics in interventions across 1 U.S. RCT of middle-aged medical inpatients with unhealthy alcohol use (n = 124) and 2 Swiss RCTs of young men with binge drinking in a nonclinical setting: Swiss-one (n = 62) and Swiss-two (n = 128). We assessed the associations between these characteristics and drinks/d reported by participants 3 to 6 months after study entry.
RESULTS: In all 3 RCTs, mean MISC counselor's rating scales scores were consistent with MI proficiency. In overdispersed Poisson regression models, most BMI characteristics were not significantly associated with drinks/d in follow-up. In the U.S. RCT, confrontation and self-exploration were associated with more drinking. Giving advice was significantly associated with less drinking in the Swiss-one RCT. Contrary to expectations, MI spirit was not consistently associated with drinking across studies.
CONCLUSIONS: Across different populations and settings, intervention characteristics viewed as central to efficacious BMIs were neither robust nor consistent predictors of drinking outcome. Although there may be alternative reasons why the level of MI processes was not predictive of outcomes in these studies (limited variability in scores), efforts to understand what makes BMIs efficacious may require attention to factors beyond intervention process characteristics typically examined.
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Create date
01/05/2014 18:02
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20/08/2019 13:18
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