Portion size labeling and intended soft drink consumption: the impact of labeling format and size portfolio

Willemijn M Vermeer; Ingrid H M Steenhuis; Franca H Leeuwis; Arjan E R Bos; Michiel de Boer; Jacob C Seidell

doi:10.1016/j.jneb.2010.02.002

Portion size labeling and intended soft drink consumption: the impact of labeling format and size portfolio

Willemijn M Vermeer, Ingrid H M Steenhuis, Franca H Leeuwis, Arjan E R Bos, Michiel de Boer, Jacob C Seidell

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

OBJECTIVE: To assess what portion size labeling format is most promising in helping consumers selecting appropriate soft drink sizes, and whether labeling impact depends on the size portfolio.

METHODS: An experimental study was conducted in fast-food restaurants in which 2 labeling formats (ie, reference portion size and small/medium/large labels) were compared to a control condition, and 2 size ranges were assessed. The main outcome variable was participants' intended soft drink size choice. Stimulus material was presented through photographs.

RESULTS: There was a statistical trend for reference portion size labeling increasing the likelihood to choose small sizes (n=158, odds ratio=2.55, P=.06, confidence interval: 0.84-7.70).

CONCLUSIONS AND IMPLICATIONS: Reference portion size labeling is potentially most promising in reducing large portion size preferences. More research assessing the effectiveness of reference portion size labeling (combined with pricing strategies) on actual choices and consumption behavior in a realistic setting is recommended.

Original language	English
Pages (from-to)	422-426
Number of pages	5
Journal	Journal of Nutrition Education and Behavior
Volume	42
Issue number	6
DOIs	https://doi.org/10.1016/j.jneb.2010.02.002
Publication status	Published - 2010

Keywords

Adolescent
Adult
Carbonated Beverages
Choice Behavior
Confidence Intervals
Energy Intake
Fast Foods
Female
Food Labeling
Humans
Male
Odds Ratio
Restaurants
Surveys and Questionnaires
Young Adult
Journal Article
Research Support, Non-U.S. Gov't

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title = "Portion size labeling and intended soft drink consumption: the impact of labeling format and size portfolio",

abstract = "OBJECTIVE: To assess what portion size labeling format is most promising in helping consumers selecting appropriate soft drink sizes, and whether labeling impact depends on the size portfolio.METHODS: An experimental study was conducted in fast-food restaurants in which 2 labeling formats (ie, reference portion size and small/medium/large labels) were compared to a control condition, and 2 size ranges were assessed. The main outcome variable was participants' intended soft drink size choice. Stimulus material was presented through photographs.RESULTS: There was a statistical trend for reference portion size labeling increasing the likelihood to choose small sizes (n=158, odds ratio=2.55, P=.06, confidence interval: 0.84-7.70).CONCLUSIONS AND IMPLICATIONS: Reference portion size labeling is potentially most promising in reducing large portion size preferences. More research assessing the effectiveness of reference portion size labeling (combined with pricing strategies) on actual choices and consumption behavior in a realistic setting is recommended.",

keywords = "Adolescent, Adult, Carbonated Beverages, Choice Behavior, Confidence Intervals, Energy Intake, Fast Foods, Female, Food Labeling, Humans, Male, Odds Ratio, Restaurants, Surveys and Questionnaires, Young Adult, Journal Article, Research Support, Non-U.S. Gov't",

author = "Vermeer, {Willemijn M} and Steenhuis, {Ingrid H M} and Leeuwis, {Franca H} and Bos, {Arjan E R} and {de Boer}, Michiel and Seidell, {Jacob C}",

year = "2010",

doi = "10.1016/j.jneb.2010.02.002",

language = "English",

volume = "42",

pages = "422--426",

journal = "Journal of Nutrition Education and Behavior",

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T1 - Portion size labeling and intended soft drink consumption

T2 - the impact of labeling format and size portfolio

AU - Vermeer, Willemijn M

AU - Steenhuis, Ingrid H M

AU - Leeuwis, Franca H

AU - Bos, Arjan E R

AU - de Boer, Michiel

AU - Seidell, Jacob C

PY - 2010

Y1 - 2010

N2 - OBJECTIVE: To assess what portion size labeling format is most promising in helping consumers selecting appropriate soft drink sizes, and whether labeling impact depends on the size portfolio.METHODS: An experimental study was conducted in fast-food restaurants in which 2 labeling formats (ie, reference portion size and small/medium/large labels) were compared to a control condition, and 2 size ranges were assessed. The main outcome variable was participants' intended soft drink size choice. Stimulus material was presented through photographs.RESULTS: There was a statistical trend for reference portion size labeling increasing the likelihood to choose small sizes (n=158, odds ratio=2.55, P=.06, confidence interval: 0.84-7.70).CONCLUSIONS AND IMPLICATIONS: Reference portion size labeling is potentially most promising in reducing large portion size preferences. More research assessing the effectiveness of reference portion size labeling (combined with pricing strategies) on actual choices and consumption behavior in a realistic setting is recommended.

AB - OBJECTIVE: To assess what portion size labeling format is most promising in helping consumers selecting appropriate soft drink sizes, and whether labeling impact depends on the size portfolio.METHODS: An experimental study was conducted in fast-food restaurants in which 2 labeling formats (ie, reference portion size and small/medium/large labels) were compared to a control condition, and 2 size ranges were assessed. The main outcome variable was participants' intended soft drink size choice. Stimulus material was presented through photographs.RESULTS: There was a statistical trend for reference portion size labeling increasing the likelihood to choose small sizes (n=158, odds ratio=2.55, P=.06, confidence interval: 0.84-7.70).CONCLUSIONS AND IMPLICATIONS: Reference portion size labeling is potentially most promising in reducing large portion size preferences. More research assessing the effectiveness of reference portion size labeling (combined with pricing strategies) on actual choices and consumption behavior in a realistic setting is recommended.

KW - Adolescent

KW - Adult

KW - Carbonated Beverages

KW - Choice Behavior

KW - Confidence Intervals

KW - Energy Intake

KW - Fast Foods

KW - Female

KW - Food Labeling

KW - Humans

KW - Male

KW - Odds Ratio

KW - Restaurants

KW - Surveys and Questionnaires

KW - Young Adult

KW - Journal Article

KW - Research Support, Non-U.S. Gov't

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DO - 10.1016/j.jneb.2010.02.002

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SN - 1499-4046

VL - 42

SP - 422

EP - 426

JO - Journal of Nutrition Education and Behavior

JF - Journal of Nutrition Education and Behavior

IS - 6

ER -

Portion size labeling and intended soft drink consumption: the impact of labeling format and size portfolio

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Keywords

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