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Sodium and potassium intakes among US infants and preschool children, 2003-2010.

ABSTRACT: BACKGROUND:Data are limited on usual sodium and potassium intakes relative to age-specific recommendations and the sodium:potassium ratio in infants and preschoolers, especially among those aged <2 y, who are black or breastfed. OBJECTIVE:The usual sodium intake above the Tolerable Upper Intake Levels (ULs), potassium intakes above Adequate Intakes (AIs), the sodium:potassium ratio, and sodium density (mg/kcal) among US infants and preschoolers by age group, as applicable, were estimated and compared by race-ethnicity and current breastfeeding status. DESIGN:Data were analyzed among 3 groups of children (aged 7-11 mo, 1-3 y, and 4-5 y) from the NHANES 2003-2010 by using measurement error models. RESULTS:Seventy-nine percent of children aged 1-3 y and 87% of those aged 4-5 y exceeded their sodium UL; among non-Hispanic black children, the estimates were 84% and 97%, respectively. For potassium, 97% of infants, 5% of children aged 1-3 y, and 0.4% aged 4-5 y met their AIs. Compared with non-Hispanic whites and Mexican Americans, non-Hispanic black infants and preschoolers had higher mean sodium density and sodium:potassium ratios. Currently breastfed infants and children consumed, on average, less sodium than those who were not breastfed (382 ± 53 compared with 538 ± 22 mg in those aged 7-11 mo and 1154 ± 88 compared with 1985 ± 24 mg in those aged 1-3 y, respectively), but the sodium:potassium ratio did not differ. CONCLUSIONS:Most US preschoolers, particularly non-Hispanic blacks, consume too much sodium, and nearly all do not consume enough potassium. Data that suggest that currently breastfed infants consume less sodium than do those who are not breastfeeding merit further investigation.

SUBMITTER: Tian N

PROVIDER: S-EPMC4559260 | biostudies-literature | 2013 Oct

REPOSITORIES: biostudies-literature

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Sodium and potassium intakes among US infants and preschool children, 2003-2010.

Tian Niu N Zhang Zefeng Z Loustalot Fleetwood F Yang Quanhe Q Cogswell Mary E ME

The American journal of clinical nutrition 20130821 4

<h4>Background</h4>Data are limited on usual sodium and potassium intakes relative to age-specific recommendations and the sodium:potassium ratio in infants and preschoolers, especially among those aged <2 y, who are black or breastfed.<h4>Objective</h4>The usual sodium intake above the Tolerable Upper Intake Levels (ULs), potassium intakes above Adequate Intakes (AIs), the sodium:potassium ratio, and sodium density (mg/kcal) among US infants and preschoolers by age group, as applicable, were es ...[more]

PMID: 23966425

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Project description:BACKGROUND:It has been previously reported that total energy intake among US preschool children (ages 2-5 years) decreased between 2003-2004 and 2009-2010. However, little is known about how intakes of beverages among US preschoolers (ages 2-5 years) changed from 2003-2004 to 2011-2012. OBJECTIVES:This paper examines changes in intakes of key beverages during this period, as well as how eating location (at home or away from home) and source (store vs. others) may have contributed to these changes. METHODS:Cross-sectional day one dietary data among children ages 2-5 years from the National Health and Nutrition Examination Survey 2003-2004, 2005-2006, 2007-2008, 2009-2010 and 2011-2012 were used. Survey-weighted mean intakes by survey year, eating location and source were computed for total sugar-sweetened beverages (SSBs), milks, 100% juice, low/no-calorie beverages, 10 key beverages, total beverages and total foods. Means were compared using two-tailed z-tests with Bonferroni corrections (??<?0.05). RESULTS:Between 2003-2004 and 2011-2012, among 2-5 year olds, total caloric intake fell by 132?kcal?d(-1) , with intakes of beverages falling by 55?kcal?d(-1) . Decreases in intakes of total SSBs (-57?kcal?d(-1) ), fruit-flavoured or juice drinks containing <100% juice (juice drinks) (-37?kcal?d(-1) ), caloric soft drinks (-13?kcal?d(-1) ) and >1% fat, low-sugar milk (-42?kcal?d(-1) ) were among the major changes. By eating location, total beverage intake at home fell by 73?kcal?d(-1) . By source, total beverage intake from stores fell by 106?kcal?d(-1) . Changes in intakes occurred primarily between 2003-2004 and 2009-2010, as there were no significant differences in beverage intakes between 2009-2010 and 2011-2012. Intakes of total calories (+49?kcal?d(-1) ) and calories from foods (+53?kcal?d(-1) ) trended upward between 2009-2010 and 2011-2012, but changes were not significant. CONCLUSIONS:These findings suggest improvements in the diets of preschoolers between 2003-2004 and 2009-2010, of which stores were a major contributor.

Dataset Information

Sodium and potassium intakes among US infants and preschool children, 2003-2010.

Publications

Sodium and potassium intakes among US infants and preschool children, 2003-2010.

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