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Predicting Physical Activity in Survivors of Breast Cancer: The Health Action Process Approach at the Intrapersonal Level
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Orientador(es)
Resumo(s)
Background Benefits have been established for regular physical activity (PA) and exercise after breast cancer, but a decline
of PA has also been a reported result of breast cancer diagnosis and treatments. The Health Action Process Approach (HAPA)
model has been shown to predict various health behaviors, but few studies have tested it at the intrapersonal level. The aim
of the present study was to test whether the HAPA constructs that are well confirmed at the interpersonal level also hold at
the intrapersonal level in a group of women survivors of breast cancer.
Method PA behaviors (N=338) by nine survivors of breast cancer were observed for 6 weeks, and the associations between
the HAPA constructs and PA over time were examined. Participants completed a questionnaire with the HAPA constructs
related to PA behavior (direct step count and self-reported).
Results A multilevel model of behavior prediction found that optimistic beliefs about ability to initiate and maintain PA
(self-efficacy) were positively related to intentions to be active, and these intentions predicted plans to be active. PA was
directly and positively predicted by planning and by confidence in the ability to resume PA after a break.
Conclusion Self-efficacy and planning are associated with PA behavior within women survivors of breast cancer over time,
which was not the case for the outcome expectancies, social support, and action control at this intrapersonal level. A multilevel approach for psychological predictors of PA can be useful in grounding interventions for survivors of breast cancer.
Descrição
This work received national funding from Fundação para a Ciência e a Tecnologia (FCT), I.P—through the Research Center for Psychological Science of the Faculty of Psychology, University of Lisbon (UIDB/04527/2020; UIDP/04527/2020).
Palavras-chave
N-of-1 designs Survivors of breast cancer Physical activity HAPA - The Health Action Process Approach
Contexto Educativo
Citação
Sequeira, M., Pereira, C., & Alvarez, M.-J. (2023). Predicting physical activity in breast cancer survivors: The Health action process approach at the intrapersonal level. International Journal of Behavioral Medicine, 30(6), 777-789. https://doi.org/10.1007/s12529-022-10140-3
Editora
International Society of Behavioral Medicine