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Journal of the American College of Nutrition, Vol. 28, No. 2, 203-218 (2009)
Published by the American College of Nutrition

Consumption, Perceptions and Knowledge of Soy among Adults with Type 2 Diabetes

Colleen P. Gobert, MSc, RD and Alison M. Duncan, PhD, RD

Department of Human Health and Nutritional Sciences, University of Guelph, Guelph, Ontario, CANADA

Address correspondence to: Alison M. Duncan, Department of Human Health and Nutritional Sciences, University of Guelph, Guelph, Ontario, Canada, N1G 2W1. E-mail: amduncan{at}uoguelph.ca

Objective: A large body of evidence supports a role for soy in the management of type 2 diabetes. However, little is known about the current consumption, perceptions and knowledge of soy among those living with type 2 diabetes. The purpose of this research was to explore the consumption, perceptions and knowledge of soy among adults with type 2 diabetes.

Methods: A total of 202 adults with type 2 diabetes completed a detailed questionnaire designed to gather data about soy consumption, motivations for consuming soy, purchase locations for soy, methods of obtaining information about soy, barriers to soy consumption, as well as general health/lifestyle, medical and demographic information.

Results: Soy consumers were significantly more likely to be vegetarian, lactose intolerant and avoid cow's milk and significantly less likely to take medications, when compared to soy non-consumers. There were no significant differences between soy consumers and soy non-consumers in factors related to diabetes management. The prevalence of soy consumption was 19% and the majority of soy was consumed on a weekly basis and most often at breakfast. The three most commonly consumed soy products were soy beverage, tofu and roasted soy nuts and they were purchased most often from the grocery store. Soy consumers were significantly more aware of soy's potential health benefits, compared to soy non-consumers. More than half (63.8%) of soy non-consumers had consumed soy in the past and the top reason for no longer consuming soy was ‘dislike taste, texture or appearance’. The most commonly reported barriers to soy consumption were being unsure of how to prepare soy, taste and texture.

Conclusions: Although soy consumption was not predictive of factors related to diabetes management, valuable information was generated regarding patterns of soy consumption, motivations for and barriers to soy consumption, beliefs and knowledge about soy, and most common sources of information about soy. This information will be useful to numerous stakeholders including those who produce, market and sell soy, as well as those who disseminate health information about soy.

Key words: type 2 diabetes, soy consumption, survey, prevalence, perceptions, attitudes, knowledge






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Copyright © 2009 by the American College of Nutrition.