Curbing alcohol use in male adults through computer generated personalized advice: randomized controlled trial

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Curbing alcohol use in male adults through computer generated personalized advice: randomized controlled trial. / Boon, Brigitte; Risselada, A.; Huiberts, A. et al.
in: Journal of Medical Internet Research, Jahrgang 13, Nr. 2, e43, 30.06.2011.

Publikation: Beiträge in ZeitschriftenZeitschriftenaufsätzeForschungbegutachtet

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@article{4b499da0111b443d82958b1a81b5dd0e,
title = "Curbing alcohol use in male adults through computer generated personalized advice: randomized controlled trial",
abstract = "Background: In recent years, interventions that deliver online personalized feedback on alcohol use have been developed and appear to be a feasible way to curb heavy drinking. Randomized controlled trials (RCTs) among the general adult population, however, are scarce. The present study offers an RCT of Drinktest.nl, an online personalized feedback intervention in the Netherlands. Objective: The aim of this study was to assess the effectiveness of computer-based personalized feedback on heavy alcohol use in male adults. Methods: Randomization stratified by age and educational level was used to assign participants to either the intervention consisting of online personalized feedback or an information-only control condition. Participants were told as a cover story that they would evaluate newly developed health education materials. Participants were males (n = 450), aged 18 to 65 years, presenting with either heavy alcohol use (> 20 units of alcohol weekly) and/or binge drinking (> 5 units of alcohol at a single occasion at least 1 day per week) in the past 6 months. They were selected with a screener from a sampling frame of 25,000 households. The primary outcome measure was the percentage of the participants that had successfully reduced their drinking levels to below the Dutch guideline threshold for at-risk drinking. Results: Intention-to-treat analysis showed that in the experimental condition, 42% (97/230) of the participants were successful in reducing their drinking levels to below the threshold at the 1-month follow-up as compared with 31% (67/220) in the control group (odds ratio [OR] = 1.7, number needed to treat [NNT] = 8.6), which was statistically significant (x 2 1 = 6.67, P = .01). At the 6-month follow-up, the success rates were 46% (105/230) and 37% (82/220) in the experimental and control conditions, respectively (OR = 1.4, NNT = 11.9), but no longer statistically significant (x 2 1 = 3.25, P = .07). Conclusions: Personalized online feedback on alcohol consumption appears to be an effective and easy way to change unhealthy drinking patterns in adult men, at least in the short-term. ",
keywords = "Health sciences, Adult, Alcohol, Heavy drinking, Internet, Problem drinking, Web-based personalized feedback",
author = "Brigitte Boon and A. Risselada and A. Huiberts and Heleen Riper and Filip Smit",
note = "Online-Publikation",
year = "2011",
month = jun,
day = "30",
doi = "10.2196/jmir.1695",
language = "English",
volume = "13",
journal = "Journal of Medical Internet Research",
issn = "1439-4456",
publisher = "JMIR Publications",
number = "2",

}

RIS

TY - JOUR

T1 - Curbing alcohol use in male adults through computer generated personalized advice

T2 - randomized controlled trial

AU - Boon, Brigitte

AU - Risselada, A.

AU - Huiberts, A.

AU - Riper, Heleen

AU - Smit, Filip

N1 - Online-Publikation

PY - 2011/6/30

Y1 - 2011/6/30

N2 - Background: In recent years, interventions that deliver online personalized feedback on alcohol use have been developed and appear to be a feasible way to curb heavy drinking. Randomized controlled trials (RCTs) among the general adult population, however, are scarce. The present study offers an RCT of Drinktest.nl, an online personalized feedback intervention in the Netherlands. Objective: The aim of this study was to assess the effectiveness of computer-based personalized feedback on heavy alcohol use in male adults. Methods: Randomization stratified by age and educational level was used to assign participants to either the intervention consisting of online personalized feedback or an information-only control condition. Participants were told as a cover story that they would evaluate newly developed health education materials. Participants were males (n = 450), aged 18 to 65 years, presenting with either heavy alcohol use (> 20 units of alcohol weekly) and/or binge drinking (> 5 units of alcohol at a single occasion at least 1 day per week) in the past 6 months. They were selected with a screener from a sampling frame of 25,000 households. The primary outcome measure was the percentage of the participants that had successfully reduced their drinking levels to below the Dutch guideline threshold for at-risk drinking. Results: Intention-to-treat analysis showed that in the experimental condition, 42% (97/230) of the participants were successful in reducing their drinking levels to below the threshold at the 1-month follow-up as compared with 31% (67/220) in the control group (odds ratio [OR] = 1.7, number needed to treat [NNT] = 8.6), which was statistically significant (x 2 1 = 6.67, P = .01). At the 6-month follow-up, the success rates were 46% (105/230) and 37% (82/220) in the experimental and control conditions, respectively (OR = 1.4, NNT = 11.9), but no longer statistically significant (x 2 1 = 3.25, P = .07). Conclusions: Personalized online feedback on alcohol consumption appears to be an effective and easy way to change unhealthy drinking patterns in adult men, at least in the short-term.

AB - Background: In recent years, interventions that deliver online personalized feedback on alcohol use have been developed and appear to be a feasible way to curb heavy drinking. Randomized controlled trials (RCTs) among the general adult population, however, are scarce. The present study offers an RCT of Drinktest.nl, an online personalized feedback intervention in the Netherlands. Objective: The aim of this study was to assess the effectiveness of computer-based personalized feedback on heavy alcohol use in male adults. Methods: Randomization stratified by age and educational level was used to assign participants to either the intervention consisting of online personalized feedback or an information-only control condition. Participants were told as a cover story that they would evaluate newly developed health education materials. Participants were males (n = 450), aged 18 to 65 years, presenting with either heavy alcohol use (> 20 units of alcohol weekly) and/or binge drinking (> 5 units of alcohol at a single occasion at least 1 day per week) in the past 6 months. They were selected with a screener from a sampling frame of 25,000 households. The primary outcome measure was the percentage of the participants that had successfully reduced their drinking levels to below the Dutch guideline threshold for at-risk drinking. Results: Intention-to-treat analysis showed that in the experimental condition, 42% (97/230) of the participants were successful in reducing their drinking levels to below the threshold at the 1-month follow-up as compared with 31% (67/220) in the control group (odds ratio [OR] = 1.7, number needed to treat [NNT] = 8.6), which was statistically significant (x 2 1 = 6.67, P = .01). At the 6-month follow-up, the success rates were 46% (105/230) and 37% (82/220) in the experimental and control conditions, respectively (OR = 1.4, NNT = 11.9), but no longer statistically significant (x 2 1 = 3.25, P = .07). Conclusions: Personalized online feedback on alcohol consumption appears to be an effective and easy way to change unhealthy drinking patterns in adult men, at least in the short-term.

KW - Health sciences

KW - Adult

KW - Alcohol

KW - Heavy drinking

KW - Internet

KW - Problem drinking

KW - Web-based personalized feedback

UR - http://www.scopus.com/inward/record.url?scp=79959945485&partnerID=8YFLogxK

U2 - 10.2196/jmir.1695

DO - 10.2196/jmir.1695

M3 - Journal articles

C2 - 21719412

VL - 13

JO - Journal of Medical Internet Research

JF - Journal of Medical Internet Research

SN - 1439-4456

IS - 2

M1 - e43

ER -

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