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dc.contributor.authorSvantorp-Tveiten, Kethe Marie Engen
dc.contributor.authorIvarsson, Andreas
dc.contributor.authorTorstveit, Monica Klungland
dc.contributor.authorSundgot-Borgen, Christine
dc.contributor.authorMathisen, Therese Fostervold
dc.contributor.authorBratland-Sanda, Solfrid
dc.contributor.authorRosenvinge, Jan H
dc.contributor.authorFriborg, Oddgeir
dc.contributor.authorPettersen, Gunn
dc.contributor.authorSundgot-Borgen, Jorunn
dc.date.accessioned2022-09-07T07:05:38Z
dc.date.available2022-09-07T07:05:38Z
dc.date.issued2022-06-28
dc.description.abstractBackground: Mediation analysis is important to test the theoretical framework underpinning an intervention. We therefore aimed to investigate if the healthy body image (HBI) intervention’s effect on eating disorder (ED) symptomatology and use of muscle building supplements was mediated by the change in risk and protective factors for ED development and muscle building supplement use. <p> <p>Methods: This study used data from the HBI intervention: a cluster randomized controlled universal intervention aiming to promote positive body image and embodiment and reduce the risk for ED development including 30 schools in Norway. A total of 1,713 (37% boys) participants were included in the analyses. Conditional latent growth curve analyses were performed to test for indirect effects on ED symptomatology and weekly frequency of protein and creatine supplement use measured at the 12-month follow-up via change in the proposed mediators. Results: In girls, the reduction in ED symptomatology was mediated by positive changes in protective factors (self-esteem and body image flexibility) and reductions in risk factor scores (perceived media pressure and thin appearance internalization). Comparable changes in protective and risk factors among boys played no mediating role. <p> <p>Conclusion: Interventions aiming to reduce the risk of ED development in girls may benefit from aiming to enhance self-esteem and body image flexibility and reduce perceived media pressure and thin appearance internalization. Future studies should investigate the casual relationship between muscle building supplement use and risk and protective factors for ED development in both girls and boys.en_US
dc.identifier.citationSvantorp-Tveiten KME, Ivarsson A, Torstveit MKT, Sundgot-Borgen C, Mathisen TF, Bratland-Sanda S, Rosenvinge JH, Friborg O, Pettersen G, Sundgot-Borgen J. The Healthy Body Image intervention and reduction in eating disorder symptomatology and muscle building supplement use in high school students: a study of mediating factors. Frontiers in Psychology. 2022;13en_US
dc.identifier.cristinIDFRIDAID 1990901
dc.identifier.doi10.3389/fpsyg.2022.803654
dc.identifier.issn1664-1078
dc.identifier.urihttps://hdl.handle.net/10037/26686
dc.language.isoengen_US
dc.publisherFrontiers Mediaen_US
dc.relation.journalFrontiers in Psychology
dc.rights.accessRightsopenAccessen_US
dc.rights.holderCopyright 2022 The Author(s)en_US
dc.titleThe Healthy Body Image intervention and reduction in eating disorder symptomatology and muscle building supplement use in high school students: a study of mediating factorsen_US
dc.type.versionpublishedVersionen_US
dc.typeJournal articleen_US
dc.typeTidsskriftartikkelen_US
dc.typePeer revieweden_US


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