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Effect of health-promoting messages in television food commercials on adolescents’ attitudes and consumption: A randomized intervention study

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dc.contributor.authorFernández-Escobar, Carlos
dc.contributor.authorMonroy-Parada, Doris Xiomara
dc.contributor.authorOrdaz Castillo, Elena
dc.contributor.authorLois García, David
dc.contributor.authorRoyo Bordonada, Miguel Ángel
dc.date.accessioned2025-01-03T14:03:37Z
dc.date.available2025-01-03T14:03:37Z
dc.date.issued2021-03
dc.descriptionEste es el manuscrito aceptado del artículo. La versión registrada de este artículo, publicado por primera vez en Appetite, Volume 158, 2021, 105014, ISSN 0195-6663, está disponible en línea en el sitio web del editor: https://doi.org/10.1016/j.appet.2020.105014. This is the accepted manuscript of the article. The registered version of this article, first published in Appetite, Volume 158, 2021, 105014, ISSN 0195-6663, is available online on the publisher's website: https://doi.org/10.1016/j.appet.2020.105014
dc.description.abstractIntroduction The HAVISA plan is a Spanish government's policy for the promotion of healthy lifestyles via health messages in television food advertisements. This study evaluated the positive or negative impact (health halo effect) of health messages on food choices and predisposition towards healthy habits of Spanish adolescents. Methods Randomized controlled study in 11–14 years old adolescents. The intervention group watched television advertisements for unhealthy foods with HAVISA health messages, while the control group watched the same advertisements without them. A self-administered questionnaire measured participants’ attitudes towards the products advertised, to diet and physical activity, and recognition of messages. Afterwards they chose between fruit and unhealthy snacks. The differences between the two groups were then compared. Results A total of 27.2% of the control group versus 29.6% of the intervention group chose fruit (p = 0.54). Both groups displayed high desire for (7.24 vs. 7.40, p = 0.29) and intention to consume (6.67 vs. 6.73, p = 0.63) the unhealthy products advertised. There were no differences in perceived healthiness of these foods (4.11 vs. 4.19, p = 0.74), or perceived importance of a healthy diet (3.17 vs. 3.12, p = 0.55) or physical activity (4.53 vs. 4.51, p = 0.73). Desire for vegetables (2.49 vs. 2.66, p = 0.08) and fruit (3.15 vs. 3.30, p = 0.09) were higher in the intervention group, but the differences were not significant. Only 47.6% of participants noticed the presence of health messages; of these, 31% correctly recalled their content. Conclusion HAVISA health messages changed neither the attitudes nor immediate eating behaviors of adolescents. There was no immediate healthy-lifestyle promoter or adverse health halo effect, probably due to the messages’ low prominence. Further research should evaluate the long-term effect of repeated exposure to health messages.en
dc.description.versionversión final
dc.identifier.citationCarlos Fernández-Escobar, Doris Xiomara Monroy-Parada, Elena Ordaz Castillo, David Lois, Miguel Ángel Royo-Bordonada, Effect of health-promoting messages in television food commercials on adolescents’ attitudes and consumption: A randomized intervention study, Appetite, Volume 158, 2021, 105014, ISSN 0195-6663, https://doi.org/10.1016/j.appet.2020.105014
dc.identifier.doihttps://doi.org/10.1016/j.appet.2020.105014
dc.identifier.issn0195-6663
dc.identifier.urihttps://hdl.handle.net/20.500.14468/25106
dc.journal.titleAppetite
dc.journal.volume158
dc.language.isoen
dc.publisherElsevier
dc.relation.centerFacultades y escuelas::Facultad de Psicología
dc.relation.departmentPsicología Social y de las Organizaciones
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/deed.es
dc.subject61 Psicología
dc.subject.keywordsFood advertisingen
dc.subject.keywordsmarketingen
dc.subject.keywordschildhood obesityen
dc.subject.keywordstelevisionen
dc.subject.keywordshealth haloen
dc.subject.keywordshealth messagesen
dc.titleEffect of health-promoting messages in television food commercials on adolescents’ attitudes and consumption: A randomized intervention studyen
dc.typeartículoes
dc.typejournal articleen
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relation.isAuthorOfPublication.latestForDiscoveryb6351abd-a258-4b1a-a79d-f137c4ba644c
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