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dc.contributor.authorHardcastle, Sarah J
dc.contributor.authorMaxwell-Smith, Chloe
dc.contributor.authorHagger, Martin S
dc.date.accessioned2021-10-19T00:10:00Z
dc.date.available2021-10-19T00:10:00Z
dc.date.issued2021
dc.identifier.issn1932-2259en_US
dc.identifier.doi10.1007/s11764-021-01107-6en_US
dc.identifier.urihttp://hdl.handle.net/10072/409217
dc.description.abstractPurpose: Previous research has not examined the utility of the Health Action Process Approach (HAPA) to predict physical activity (PA) change in cancer survivors. The aim of the study was to investigate the efficacy of a HAPA-based model in predicting temporal change in moderate-to-vigorous physical activity (MVPA) in cancer survivors. Methods: Participants enrolled in the Wearable Activity Technology and Action Planning (WATAAP) trial completed validated questionnaires (n = 64) to assess HAPA constructs (action and maintenance self-efficacy, outcome expectancies, action planning, risk perceptions, and intention) and wore an ActiGraph to measure PA at baseline, 12 weeks, and 24 weeks later. Data were analyzed using variance-based structural equation modeling with residualized change scores for model variables. Results: Consistent with predictions, changes in action self-efficacy (β = 0.490, p < 0.001, ES = 0.258) and risk perceptions (β = 0.312, p = 0.003, ES = 0.099) were statistically significant predictors of intention change over time. Changes in intention (β = 0.217, p = 0.029, ES = 0.040) and action planning (β = 0.234, p = 0.068, ES = 0.068) predicted changes in MVPA. Overall, the model accounted for significant variance in intention (R2 = 0.380) and MVPA (R2 = 0.228) change. Conclusions: Changes in intention and action planning were important correlates of MVPA change over 24 weeks. Further, changes in action self-efficacy and risk perceptions predicted changes in intention. Implications for cancer survivors: interventions that foster risk perceptions and self-efficacy, strengthen intentions, and promote action planning may be effective in promoting sustained PA change in cancer survivors.en_US
dc.description.peerreviewedYesen_US
dc.languageEnglishen_US
dc.publisherSpringeren_US
dc.relation.ispartofjournalJournal of Cancer Survivorshipen_US
dc.subject.fieldofresearchPublic healthen_US
dc.subject.fieldofresearchOncology and carcinogenesisen_US
dc.subject.fieldofresearchcode4206en_US
dc.subject.fieldofresearchcode3211en_US
dc.subject.keywordsScience & Technologyen_US
dc.subject.keywordsLife Sciences & Biomedicineen_US
dc.subject.keywordsSocial Sciences, Biomedicalen_US
dc.titlePredicting physical activity change in cancer survivors: an application of the Health Action Process Approachen_US
dc.typeJournal articleen_US
dc.type.descriptionC1 - Articlesen_US
dcterms.bibliographicCitationHardcastle, SJ; Maxwell-Smith, C; Hagger, MS, Predicting physical activity change in cancer survivors: an application of the Health Action Process Approach, Journal of Cancer Survivorship, 2021en_US
dcterms.dateAccepted2021-09-03
dcterms.licensehttps://creativecommons.org/licenses/by/4.0/en_US
dc.date.updated2021-10-19T00:06:53Z
dc.description.versionVersion of Record (VoR)en_US
gro.description.notepublicThis publication has been entered in Griffith Research Online as an advanced online version.en_US
gro.rights.copyright© The Author(s) 2021. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made.en_US
gro.hasfulltextFull Text
gro.griffith.authorHagger, Martin S.


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