Journal of the Academy of Nutrition and Dietetics
Journal of the Academy of Nutrition and Dietetics
4 years ago

Dietary Approaches to Stop Hypertension Diet, Weight Status, and Blood Pressure among Children and Adolescents: National Health and Nutrition Examination Surveys 2003-2012

The Dietary Approaches to Stop Hypertension (DASH) diet is associated with lower blood pressure and reduced risk of cardiovascular disease among adults, but little is known about accordance with this dietary pattern or health benefits among children and adolescents. Objective The objectives were to evaluate accordance with the DASH diet, differences over time, and the association with health attributes among a nationally representative sample of US children and adolescents. Design Cross-sectional data from the 2003-2012 National Health and Nutrition Examination Surveys (NHANES) were analyzed. Participants/setting Data from 9,793 individuals aged 8 to 18 years were examined. Main outcome measures DASH accordance was estimated based on nine nutrient targets: total fat, saturated fat, protein, cholesterol, fiber, calcium, magnesium, potassium, and sodium; possible score range is 0 to 9. Statistical analyses performed Accordance with the DASH diet across time was examined comparing the 2011-2012 to 2003-2004 NHANES surveys. The association between DASH score and weight status was examined using multinomial logistic regression, and the associations with waist circumference, systolic blood pressure, and diastolic blood pressure were examined using multivariable linear regression. Results Accordance with the DASH diet was low across the age groups, with a range of mean DASH scores from 1.48 to 2.14. There were no significant changes across time. DASH score was inversely associated with systolic blood pressure (mm Hg) among 14- to 18-year-olds (β=−.46; 95% CI −.83 to −.09) among the larger sample of participants who completed at least one dietary recall, but no significant differences were seen in other age categories. In the subsample of participants with both dietary recalls, a significant inverse association was seen between DASH score and systolic blood pressure for 11- to 13-year-olds (β=−.57; 95% CI −1.02 to −.12). There were no significant associations between this dietary pattern and weight status, waist circumference, or diastolic blood pressure. Conclusions Few US children and adolescents have diets that are in alignment with the DASH diet. Future research should explore strategies to encourage fruit, vegetable, and whole-grain consumption, as well as sodium reductions to help meet DASH nutrient targets in children and adolescents, as well as examine the potential benefits of this eating pattern on health in this population group.

Publisher URL: www.sciencedirect.com/science

DOI: S2212267217303362

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