Journal article
A Proof-of-Concept Pilot Test of a Behavioral Intervention to Improve Adherence to Dietary Recommendations for Cancer Prevention
Cancer control, v 30, pp 10732748231214122-10732748231214122
01 Nov 2023
PMID: 37950612
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Objectives: Prevention programs that can help adults improve the quality of their diets to reduce cancer risk are needed. This Phase IIa study prospectively tested a mHealth intervention designed to improve adherence to dietary quality guidelines for cancer prevention.Methods: All participants (N = 62) received nutrition education and a self-regulation skills curriculum, with a primary target of changing grocery shopping behavior. Using a randomized, factorial design, the study varied whether each of the following 4 components were added to the 20-week intervention: (1) location-triggered app messaging, delivered when individuals arrived at grocery stores, (2) reflections on benefits of change, delivered with extra coaching time and tailored app messages, (3) coach monitoring, in which food purchases were digitally monitored by a coach, and (4) involvement of a household member in the intervention.Results: Benchmarks were successfully met for recruitment, retention, and treatment acceptability. Across conditions, there were significant reductions in highly processed food intake (P < .001, eta(2) = .48), red and processed meat intake (P < .001, eta(2) = .20), and sugar-sweetened beverage intake (P = .008, eta(2) = .13) from pre-to post-treatment. Analyses examining whether each intervention component influenced change across time found that participants who received coach monitoring increased their intake of fruits, vegetables, and fiber, whereas those with no coach monitoring had less improvement (P = .01, eta(2) = .14). The improvement in red and processed meat was stronger among participants with household support ON, at a marginally significant level, than those with household support OFF (P = .056, eta(2) = .07).Conclusion: This study showed feasibility, acceptability, and preliminary signals of efficacy of a remotely delivered intervention to facilitate adherence to dietary guidelines for cancer prevention and that coach monitoring and household support may be especially effective strategies. A fully powered clinical trial is warranted to test an optimized version of the intervention that includes nutrition education, self-regulation skills training, coach monitoring, and household member involvement.
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Details
- Title
- A Proof-of-Concept Pilot Test of a Behavioral Intervention to Improve Adherence to Dietary Recommendations for Cancer Prevention
- Creators
- Meghan L. Butryn - Drexel UniversityCharlotte J. Hagerman - Drexel UniversityNicole T. Crane - Drexel UniversityMarny M. Ehmann - Drexel UniversityEvan M. Forman - Drexel UniversityBrandy-Joe Milliron - Drexel Univ, Coll Nursing & Hlth Profess, Dept Nutr Sci, Philadelphia, PA 19104 USANicole L. Simone - Sidney Kimmel Cancer Center
- Publication Details
- Cancer control, v 30, pp 10732748231214122-10732748231214122
- Publisher
- Sage
- Number of pages
- 15
- Grant note
- R21CA252933 / National Cancer Institute; United States Department of Health & Human Services; National Institutes of Health (NIH) - USA; NIH National Cancer Institute (NCI)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Psychological and Brain Sciences (Psychology); Nutrition Sciences; Center for Weight, Eating and Lifestyle Science (WELL) [Historical]; Health Sciences
- Web of Science ID
- WOS:001103895700001
- Scopus ID
- 2-s2.0-85176395957
- Other Identifier
- 991021811629404721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Oncology