Adopting a Plant-Based Diet Minimally Increased Food Costs in WHEL Study

Authors: Hyder, Joseph A.; Thomson, Cynthia A.; Natarajan, Loki; Madlensky, Lisa; Pu, Minya; Emond, Jennifer; Kealey, Sheila; Rock, Cheryl L.; Flatt, Shirley W.; Pierce, John P.; WHEL Study Group1 Moores UCSD Cancer Center, University of California, San Diego, La Jolla, CA.2 Arizona Cancer Center, Arizona Prevention Center, University of Arizona, Tucson, AZ.3 Department of Family and Preventive Medicine, Division of Biostatistics, University of California,San Diego, La Jolla, CA.

Source: American Journal of Health Behavior, Volume 33, Number 5, September 2009 , pp. 530-539(10)

Publisher: PNG Publications

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Objective : To assess the cost of adopting a plant-based diet.

Methods : Breast cancer survivors randomized to dietary intervention (n=1109) or comparison (n1145) group; baseline and 12-month data on diet and grocery costs.

Results : At baseline, both groups reported similar food costs and dietary intake. At 12 months, only the intervention group changed their diet (vegetable-fruit: 6.3 to 8.9 serv/d.; fiber: 21.6 to 29.8 g/d; fat: 28.2 to 22.3 of E). The intervention change was associated with a significant increase of 1.22/ person/week (multivariate model, P0.027).

Conclusions : A major change to a plant-based diet was associated with a minimal increase in grocery costs.

Keywords: breast cancer; fruit-vegetable consumption; grocery costs

Document Type: Research Article


Publication date: September 1, 2009

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  • The American Journal of Health Behavior seeks to improve the quality of life through multidisciplinary health efforts in fostering a better understanding of the multidimensional nature of both individuals and social systems as they relate to health behaviors.

    The Journal aims to provide a comprehensive understanding of the impact of personal attributes, personality characteristics, behavior patterns, social structure, and processes on health maintenance, health restoration, and health improvement; to disseminate knowledge of holistic, multidisciplinary approaches to designing and implementing effective health programs; and to showcase health behavior analysis skills that have been proven to affect health improvement and recovery.
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