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Comparing the Effects of Four Front-of-Package Nutrition Labels on Consumer Purchases of Five Common Beverages and Snack Foods: Results from a Randomized Trial.
J Acad Nutr Diet. 2021 Sep 03 [Online ahead of print]JA

Abstract

BACKGROUND

Front-of-package (FOP) nutrition labeling systems differ in how they rate food and beverage products. There is a need to examine the implications of these differences, including their focus on nutrients of public health concern.

OBJECTIVE

Our aim was to examine the impacts of 4 common FOP labels on consumers' purchases of products that received conflicting ratings across FOP systems.

DESIGN

In an experimental marketplace, participants were randomized to complete a series of purchases under 1 of 5 FOP conditions: no label, "high in" nutrient labels, multiple traffic light, Health Star Rating, or a 5-color nutrition grade.

PARTICIPANTS/SETTING

A final sample of 3,584 Canadians (13 years and older) were recruited from shopping centers in March to May 2018.

MAIN OUTCOME MEASURES

Probability of purchasing was assessed for 5 product categories (100% fruit juice, plain milk, chocolate milk, cheese snacks, and diet beverages), which received conflicting ratings across the FOP conditions.

STATISTICAL ANALYSES

Separate generalized linear mixed models estimated the influence of FOP condition on 5 binary outcomes (1 = purchased, 0 = not purchased) corresponding to the product categories.

RESULTS

Few differences were observed among the full sample. Among participants who noticed the labels (n = 1,993), those in the Health Star Rating condition were 4.5 percentage points (95% CI -7.0 to -1.9) more likely to purchase 100% fruit juice (compared to multiple traffic light) and 3.3 (95% CI 0.4 to 6.2) and 3.0 percentage points (95% CI 0.1 to 6.1) more likely to purchase cheese snacks (compared to no label and "high in"). "High in" labels produced fewer purchases of chocolate milk than no label.

CONCLUSIONS

Despite some similarities, existing FOP systems differ in the extent to which they promote or dissuade purchases of common product categories. Although the Health Star Rating might encourage purchases of products with certain positive nutritional attributes, "high in" and multiple traffic light systems might more effectively discourage purchases of products contributing nutrients of public health concern.

Authors

No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

34493393

Citation

Acton, Rachel B., et al. "Comparing the Effects of Four Front-of-Package Nutrition Labels On Consumer Purchases of Five Common Beverages and Snack Foods: Results From a Randomized Trial." Journal of the Academy of Nutrition and Dietetics, 2021.
Acton RB, Kirkpatrick SI, Hammond D. Comparing the Effects of Four Front-of-Package Nutrition Labels on Consumer Purchases of Five Common Beverages and Snack Foods: Results from a Randomized Trial. J Acad Nutr Diet. 2021.
Acton, R. B., Kirkpatrick, S. I., & Hammond, D. (2021). Comparing the Effects of Four Front-of-Package Nutrition Labels on Consumer Purchases of Five Common Beverages and Snack Foods: Results from a Randomized Trial. Journal of the Academy of Nutrition and Dietetics. https://doi.org/10.1016/j.jand.2021.07.014
Acton RB, Kirkpatrick SI, Hammond D. Comparing the Effects of Four Front-of-Package Nutrition Labels On Consumer Purchases of Five Common Beverages and Snack Foods: Results From a Randomized Trial. J Acad Nutr Diet. 2021 Sep 3; PubMed PMID: 34493393.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Comparing the Effects of Four Front-of-Package Nutrition Labels on Consumer Purchases of Five Common Beverages and Snack Foods: Results from a Randomized Trial. AU - Acton,Rachel B, AU - Kirkpatrick,Sharon I, AU - Hammond,David, Y1 - 2021/09/03/ PY - 2020/10/22/received PY - 2021/07/22/revised PY - 2021/07/26/accepted PY - 2021/9/8/entrez PY - 2021/9/9/pubmed PY - 2021/9/9/medline KW - Experimental marketplace KW - Food policy KW - Front-of-package labels KW - Nutrition labels KW - Nutrition policy JF - Journal of the Academy of Nutrition and Dietetics JO - J Acad Nutr Diet N2 - BACKGROUND: Front-of-package (FOP) nutrition labeling systems differ in how they rate food and beverage products. There is a need to examine the implications of these differences, including their focus on nutrients of public health concern. OBJECTIVE: Our aim was to examine the impacts of 4 common FOP labels on consumers' purchases of products that received conflicting ratings across FOP systems. DESIGN: In an experimental marketplace, participants were randomized to complete a series of purchases under 1 of 5 FOP conditions: no label, "high in" nutrient labels, multiple traffic light, Health Star Rating, or a 5-color nutrition grade. PARTICIPANTS/SETTING: A final sample of 3,584 Canadians (13 years and older) were recruited from shopping centers in March to May 2018. MAIN OUTCOME MEASURES: Probability of purchasing was assessed for 5 product categories (100% fruit juice, plain milk, chocolate milk, cheese snacks, and diet beverages), which received conflicting ratings across the FOP conditions. STATISTICAL ANALYSES: Separate generalized linear mixed models estimated the influence of FOP condition on 5 binary outcomes (1 = purchased, 0 = not purchased) corresponding to the product categories. RESULTS: Few differences were observed among the full sample. Among participants who noticed the labels (n = 1,993), those in the Health Star Rating condition were 4.5 percentage points (95% CI -7.0 to -1.9) more likely to purchase 100% fruit juice (compared to multiple traffic light) and 3.3 (95% CI 0.4 to 6.2) and 3.0 percentage points (95% CI 0.1 to 6.1) more likely to purchase cheese snacks (compared to no label and "high in"). "High in" labels produced fewer purchases of chocolate milk than no label. CONCLUSIONS: Despite some similarities, existing FOP systems differ in the extent to which they promote or dissuade purchases of common product categories. Although the Health Star Rating might encourage purchases of products with certain positive nutritional attributes, "high in" and multiple traffic light systems might more effectively discourage purchases of products contributing nutrients of public health concern. SN - 2212-2672 UR - https://www.unboundmedicine.com/medline/citation/34493393/Comparing_the_Effects_of_Four_Front_of_Package_Nutrition_Labels_on_Consumer_Purchases_of_Five_Common_Beverages_and_Snack_Foods:_Results_from_a_Randomized_Trial_ DB - PRIME DP - Unbound Medicine ER -
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