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J Am Coll Nutr. 2008 Oct;27(5):569-76.

Bean consumption is associated with greater nutrient intake, reduced systolic blood pressure, lower body weight, and a smaller waist circumference in adults: results from the National Health and Nutrition Examination Survey 1999-2002.

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  • 1Nutritional Strategies, Toronto, Ontario, Canada.



Epidemiological studies have shown positive findings associated with legume consumption and measures of cardiovascular disease and obesity. However, few observational trials have examined beans as a separate food variable when determining associations with health parameters.


To determine the association of consuming beans on nutrient intakes and physiological parameters using the National Health and Examination Survey (NHANES) 1999-2002.


Using data from NHANES 1999-2002, a secondary analysis was completed with a reliable 24-hour dietary recall where three groups of bean consumers were identified (N = 1,475). We determined mean nutrient intakes and physiological values between bean consumers and non-consumers. Least square means, standard errors and ANOVA were calculated using appropriate sample weights following adjustment for age, gender, ethnicity and energy.


Relative to non-consumers, bean consumers had higher intakes of dietary fiber, potassium, magnesium, iron, and copper (p's < 0.05). Those consuming beans had a lower body weight (p = 0.008) and a smaller waist size (p = 0.043) relative to non-consumers. Additionally, consumers of beans had a 23% reduced risk of increased waist size (p = 0.018) and a 22% reduced risk of being obese (p = 0.026). Also, baked bean consumption was associated with a lower systolic blood pressure.


Bean consumers had better overall nutrient intake levels, better body weights and waist circumferences, and lower systolic blood pressure in comparison to non-consumers. These data support the benefits of bean consumption on improving nutrient intake and health parameters.

[PubMed - indexed for MEDLINE]
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