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  • Title: Income and race/ethnicity influence dietary fiber intake and vegetable consumption.
    Author: Storey M, Anderson P.
    Journal: Nutr Res; 2014 Oct; 34(10):844-50. PubMed ID: 25262170.
    Abstract:
    Grains, fruits, and vegetables are the primary sources of dietary fiber (DF), with the white potato contributing nearly 7% of the DF to the US food supply. The DF composition of the white potato-with or without the skin and regardless of cooking method-compares well with the DF content of other vegetables. Many health benefits, including improved gastrointestinal health, are attributed to greater DF consumption; however, less than 3% of males and females have an adequate intake of DF. Because of this population-wide shortfall, DF is considered to be a nutrient of concern. In this study, using data from the National Health and Nutrition Examination Survey 2009 to 2010, we examined the mean intake of DF across sex, age, race/ethnicity, family income, and poverty threshold. This study shows that mean intake of DF is far below recommendations, with children and adolescents aged 2 to 19 years consuming an average of less than 14 g of DF per day. Adults 20+ years old consume, on average, about 17 g of DF per day, and men consume significantly more DF than women. Non-Hispanic black adults consume significantly less DF compared with other race/ethnic groups. Lower family income and living at less than 131% of poverty were associated with lower DF intakes among adults. Federal and local government policies should encourage consumption of all vegetables, including the white potato, as an important source of DF.
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