Abstract
Breast cancer is the most common cancer among Latina women, and Latina women are at higher risk for breast cancer mortality than white women. Lifestyle factors, such as consuming a nutritious diet and engaging in regular physical activity, promote health and are protective against heart disease, type 2 diabetes, and breast cancer recurrence. Previous studies have developed and tested interventions for Latina breast cancer survivors to improve diet and increase physical activity, however, no studies to date have developed a smartphone delivered intervention. The purpose of the current study was to compare two Smartphone delivered interventions, My Health, which focused on diet and physical activity, and My Guide, which focused on psychosocial functioning, on dietary and physical activity outcomes, post-intervention, and at a 2-week follow-up assessment. Overall, participants receiving the My Health intervention reported a greater reduction in daily fat sources than the My Guide group over time. However, daily sources of fat did not differ between conditions. Walking, measured by estimated weekly metabolic equivalents, increased across time points in both groups. These preliminary findings suggest that eHealth interventions aimed at improving lifestyle factors may favorably impact nutritional intake and physical activity. Future research should utilize more comprehensive and objective measures of diet and physical activity, and incorporate more behavioral lifestyle components into the intervention in larger samples with a longer follow-up period.
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Acknowledgements
Research reported in this publication was supported in part by the National Institutes of Health National Cancer Institute Grants U54-CA-202995, U54-CA-202997, and U54-CA-203000. Authors LBO and SHB were supported by the National Cancer Institute training Grant T32-CA-193193. SMP was supported by K07CA196840. The content reported here is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health.
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Joanna Buscemi, Laura B. Oswald, Sharon H. Baik, Diana Buitrago, Francisco Iacobelli, Siobhan M. Phillips, Alejandra Perez-Tamayo, Judy Guitelman, Frank J. Penedo, and Betina Yanez declare that they have no conflict of interest.
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All procedures followed were in accordance with ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1975, as revised in 2000. Informed consent was obtained from all patients who participated in the study.
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Buscemi, J., Oswald, L.B., Baik, S.H. et al. My health smartphone intervention decreases daily fat sources among Latina breast cancer survivors. J Behav Med 43, 732–742 (2020). https://doi.org/10.1007/s10865-020-00136-3
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DOI: https://doi.org/10.1007/s10865-020-00136-3