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No Impact of Calorie or Unit Information on Ad Libitum Alcohol Consumption

AIMS: To investigate the impact of unit and calorie information on drinking behaviour in an ad libitum taste test paradigm. METHODS: In this experimental human laboratory study, participants were randomized to one of four conditions, balanced by gender, using a 2 (unit information: present vs. absen...

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Autores principales: Maynard, Olivia M, Langfield, Tess, Attwood, Angela S, Allen, Emily, Drew, Imogen, Votier, Alex, Munafò, Marcus R
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Oxford University Press 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5860256/
https://www.ncbi.nlm.nih.gov/pubmed/29016721
http://dx.doi.org/10.1093/alcalc/agx066
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author Maynard, Olivia M
Langfield, Tess
Attwood, Angela S
Allen, Emily
Drew, Imogen
Votier, Alex
Munafò, Marcus R
author_facet Maynard, Olivia M
Langfield, Tess
Attwood, Angela S
Allen, Emily
Drew, Imogen
Votier, Alex
Munafò, Marcus R
author_sort Maynard, Olivia M
collection PubMed
description AIMS: To investigate the impact of unit and calorie information on drinking behaviour in an ad libitum taste test paradigm. METHODS: In this experimental human laboratory study, participants were randomized to one of four conditions, balanced by gender, using a 2 (unit information: present vs. absent) × 2 (calorie information: present vs. absent) between-subjects design. The percentage of beer consumed during the taste test was the primary outcome measure. RESULTS: Among this largely undergraduate student population, we found no evidence that either unit or calorie information impacted alcohol consumption in an ad libitum taste test. A manipulation check indicated that few of the participants receiving either unit and/or calorie information could accurately recall the number of units and/or calories in the beverages provided to them, indicating low levels of engagement with this information. Analysis of qualitative reactions to calorie and unit labelling indicated possible negative unintended consequences of calorie and unit information, including using unit information to facilitate consumption of higher strength beverages, and calorie information to reduce food consumption prior to a drinking episode. CONCLUSION: We find no evidence to support an effect of unit or calorie information, a public-health initiative supported by the alcohol industry, on drinking behaviour. It is possible that compulsory unit and calorie labelling, at least in the numeric format used here, would have no effect on alcohol intake and may even have some negative unintended consequences among certain populations.
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spelling pubmed-58602562018-03-21 No Impact of Calorie or Unit Information on Ad Libitum Alcohol Consumption Maynard, Olivia M Langfield, Tess Attwood, Angela S Allen, Emily Drew, Imogen Votier, Alex Munafò, Marcus R Alcohol Alcohol Original Manuscript AIMS: To investigate the impact of unit and calorie information on drinking behaviour in an ad libitum taste test paradigm. METHODS: In this experimental human laboratory study, participants were randomized to one of four conditions, balanced by gender, using a 2 (unit information: present vs. absent) × 2 (calorie information: present vs. absent) between-subjects design. The percentage of beer consumed during the taste test was the primary outcome measure. RESULTS: Among this largely undergraduate student population, we found no evidence that either unit or calorie information impacted alcohol consumption in an ad libitum taste test. A manipulation check indicated that few of the participants receiving either unit and/or calorie information could accurately recall the number of units and/or calories in the beverages provided to them, indicating low levels of engagement with this information. Analysis of qualitative reactions to calorie and unit labelling indicated possible negative unintended consequences of calorie and unit information, including using unit information to facilitate consumption of higher strength beverages, and calorie information to reduce food consumption prior to a drinking episode. CONCLUSION: We find no evidence to support an effect of unit or calorie information, a public-health initiative supported by the alcohol industry, on drinking behaviour. It is possible that compulsory unit and calorie labelling, at least in the numeric format used here, would have no effect on alcohol intake and may even have some negative unintended consequences among certain populations. Oxford University Press 2018-01 2017-09-18 /pmc/articles/PMC5860256/ /pubmed/29016721 http://dx.doi.org/10.1093/alcalc/agx066 Text en © The Author 2017. Medical Council on Alcohol and Oxford University Press. http://creativecommons.org/licenses/by/4.0/ This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Original Manuscript
Maynard, Olivia M
Langfield, Tess
Attwood, Angela S
Allen, Emily
Drew, Imogen
Votier, Alex
Munafò, Marcus R
No Impact of Calorie or Unit Information on Ad Libitum Alcohol Consumption
title No Impact of Calorie or Unit Information on Ad Libitum Alcohol Consumption
title_full No Impact of Calorie or Unit Information on Ad Libitum Alcohol Consumption
title_fullStr No Impact of Calorie or Unit Information on Ad Libitum Alcohol Consumption
title_full_unstemmed No Impact of Calorie or Unit Information on Ad Libitum Alcohol Consumption
title_short No Impact of Calorie or Unit Information on Ad Libitum Alcohol Consumption
title_sort no impact of calorie or unit information on ad libitum alcohol consumption
topic Original Manuscript
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5860256/
https://www.ncbi.nlm.nih.gov/pubmed/29016721
http://dx.doi.org/10.1093/alcalc/agx066
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