ArticleHealth promotion journal of Australia : official journal of Australian Association of Health Promotion Professionals2026
Length and Framing of Anti-Junk Food Ads Impact Inclinations to Consume Junk Food Among Normal Weight, Overweight, and Adults With Obesity.
Article in Health promotion journal of Australia : official journal of Australian Association of Health Promotion Professionals, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Length and Framing of Anti-Junk Food Ads Impact Inclinations to Consume Junk Food Among Normal Weight, Overweight, and Adults With Obesity.Health promotion journal of Australia : official journal of Australian Association of Health Promotion Professionals · 2026Article
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Authors and funding
5 authors.
Funding
Abstract
backgroundUnrestricted junk food advertising increases the risk of short-term junk food consumption among viewers. We aimed to estimate the impact of junk food and anti-junk food advertisements differing in length and framing on junk food consumption inclinations.
methodsAdult participants (N = 505) were exposed to a randomly selected junk food advertisement or anti-junk food advertisement and reported their immediate craving and consumption intentions. These responses were separately analysed for two groups based on Body Mass Index (BMI): participants classified as within the normal range (18.5-25), and a combined group with BMI values indicating either overweight (25+) or obesity (30+) (OW/OB). A secondary analysis was also performed on a subgroup (N = 99) who were exposed to an advertisement containing junk food they reportedly enjoy consuming.
resultsFor both BMI groups, junk food advertisement exposure did not increase immediate craving or consumption intentions. However, decreases were observed in craving and consumption intentions following anti-junk food advertisements. A 15-s anti-junk advertisement was more effective than a 30-s anti-junk advertisement for normal weight BMI participants. For OW/OB BMI participants, an anti-junk advertisement encouraging health food was more effective than an anti-junk advertisement criticising junk food.
conclusionsThe effectiveness of anti-junk food advertisements varies depending on the length and framing of the advertisements as well as the viewer's BMI categorisation. These nuances are important for maximising the effectiveness of anti-junk food advertisements in different contexts. SO WHAT?: Given the potential for anti-junk food advertisements to curb consumption, a higher frequency of broadcasting brief positively framed health messages should be considered to mitigate the potential public health risks associated with junk food consumption.
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