The influence of experimental confederate peers on children's food intake: A systematic review and meta-analysis

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Sharps, Maxine, Coulthard, Helen, Salvy, S.J., Ryan, Sean and Fallon, Vicky 2021. The influence of experimental confederate peers on children's food intake: A systematic review and meta-analysis. Elsevier. https://doi.org/10.1016/j.appet.2021.105863
AuthorsSharps, Maxine, Coulthard, Helen, Salvy, S.J., Ryan, Sean and Fallon, Vicky
Abstract

Confederates influence eating behaviour. Systematic reviews and meta-analyses have been conducted on this topic, however, the majority have examined adults, or a combination of adults and children, therefore, an up-to-date meta-analysis is needed to examine the impact of confederate peers on children's food intake. We systematically reviewed and meta-analysed the influence of confederate peers on children's food intake in research using present and remote-confederates. Six publications summarising findings from seven studies were included in this review. One publication was excluded from the meta-analysis because it was not possible to extract the required data. The meta-analysis showed that children were influenced by confederate peers; eating more when exposed to a high-intake compared to a no or low-intake confederate. Larger effects were observed when children were exposed to a remote-than a present-confederate, and for studies using healthy snacks compared to high fat high sugar (HFHS) snacks. No difference in effect size was observed when children were exposed to a high-vs. low-intake confederate compared to a high-vs. no-intake confederate. In the narrative synthesis, confederate intake influenced children's eating behaviour 24-h later, and possible moderators and a potential mechanism underlying the influence of confederates were identified. Caution is needed when interpreting the results, as the sub-groups were not compared statistically due to high heterogeneity, and a small number of studies were included in this review. Furthermore, all studies using the present-confederate design examined HFHS snack intake, therefore, it is unclear whether observed differences in effect sizes between present- and remote-confederates may be due to confederate or food type. Research is needed to further examine the influence of confederate peers on children's food intake and to examine mechanisms and moderators.

KeywordsFood intake; Experimental confederates; Children's food intake; Eating behaviour; Social influence
Year2021
PublisherElsevier
ISSN01956663
Digital Object Identifier (DOI)https://doi.org/10.1016/j.appet.2021.105863
Web address (URL)https://www.sciencedirect.com/science/article/pii/S0195666321007704
http://hdl.handle.net/10545/626220
hdl:10545/626220
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Publication dates15 Dec 2021
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Deposited21 Jan 2022, 11:46
Accepted10 Dec 2021
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© 2021 Elsevier Ltd. All rights reserved.

JournalAppetite
Journal citation169, p. 105863
ContributorsDe Montfort University, Cedars-Sinai Medical Center, Los Angeles, California, USA, University of Derby and University of Liverpool
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