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Aanpak van overmatig alcoholgebruik onder volwassenen in een RCT

Addressing excessive alcohol use among adults in a RCT Drinker images and a cue reminder in an online program

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Verslaving

An Erratum to this article was published on 27 January 2016

Samenvatting

Met een gerandomiseerd onderzoek (RCT) onder volwassenen uit de Nederlandse bevolking werd onderzocht of twee strategieën kunnen bijdragen aan het effect van een online advies-op-maatprogramma (drinktest.nl) om alcoholgebruik te verminderen. De toegevoegde strategieën waren: a het veranderen van drinkerimago’s, en b het gebruik van een geheugensteun. Een drinkerimago is het beeld dat mensen hebben van typische drinkers. Dit beeld werd veranderd door mensen te motiveren om afstand te nemen van het negatieve imago van overmatige drinkers, en het positieve imago van matige drinkers na te streven. Enerzijds kan de geheugensteun mensen helpen herinneren aan de inhoud van het programma en anderzijds aan welke imago’s zij willen vermijden of nastreven. Overmatig drinkende deelnemers (N = 2.634) werden verdeeld over vier condities: originele drinktest.nl, drinktest.nl plus imagoverandering, drinktest.nl plus geheugensteun, drinktest.nl plus imagoverandering en geheugensteun. Verandering over tijd in alcoholgebruik, bereidheid om te drinken (zoals openstaan voor risicogedrag) en voornemens werden getoetst met longitudinale multilevelanalyses. Missende waarden werden volgens de ‘last observation carried forward’-methode behandeld. Wanneer imagoverandering (B = −0,15, p < 0,05) of een geheugensteun (B = −0,15, p < 0,05) naast drinktest.nl werd aangeboden, dronken deelnemers minder dan wanneer deze strategieën niet bij drinktest.nl werden aangeboden. Er werden geen significante effecten gevonden voor voornemens of bereidheid. Ook werden er geen interactie-effecten gevonden. Imagoverandering en een geheugensteun kunnen bruikbare en simpele aanvullende strategieën zijn om overmatig alcoholgebruik onder volwassenen te verminderen.

Abstract

This article presents the results of a randomised controlled trial that tests whether two behavioural change strategies provided an additional effect for an existing online intervention (www.drinktest.nl) among Dutch excessive drinking adults: drinker image alteration and cue reminders. Drinktest.nl is a tailored intervention that provides personal feedback to motivate and advise people in reducing their alcohol consumption. The four conditions were: original Drinktest.nl, Drinktest.nl plus image alteration, Drinktest.nl plus cue reminder, and Drinktest.nl plus cue reminder and image alteration. Both strategies were found to effectively but independently help reduce alcohol consumption over time.

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Figuur 1

Notes

  1. Deze norm is inmiddels aangepast.

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Authors and Affiliations

  1. Rotterdam, Nederland

    Britt van Lettow PhD, Alex Burdorf PhD & Pepijn van Empelen PhD

  2. Maastricht, Nederland

    Hein de Vries PhD

  3. Utrecht, Nederland

    Brigitte Boon PhD

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  1. Britt van Lettow PhD
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  2. Hein de Vries PhD
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  3. Alex Burdorf PhD
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  4. Brigitte Boon PhD
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  5. Pepijn van Empelen PhD
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Correspondence to Britt van Lettow PhD.

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van Lettow, B., de Vries, H., Burdorf, A. et al. Aanpak van overmatig alcoholgebruik onder volwassenen in een RCT. Verslav 11, 214–227 (2015). https://doi.org/10.1007/s12501-015-0043-9

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