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Obese children – 71 percent had low vitamin D– Jan 2016

Low serum 25-hydroxyvitamin D concentrations are associated with total adiposity of children in the United States: National Health and Examination Survey 2005 to 2006.

Nutr Res. 2016 Jan;36(1):72-79. doi: 10.1016/j.nutres.2015.11.003. Epub 2015 Nov 6.
Moore CE1, Liu Y2.
1Department of Nutrition and Food Sciences, Texas Woman's University, Houston, TX 77030, USA. Electronic address: cmoore8 at twu.edu.
2United States Department of Agriculture/Agricultural Research Service, Children's Nutrition Research Center, Department of Pediatrics, Baylor College of Medicine, Houston, TX 77030, USA.

VitaminDWiki Summary

Vitamin D level
   in 2006
%
< 20 ng27%
20-30 ng46%
< 30 ng71%
30 ng27%


Expect higher % with low vitamin D a decade later (2016)) due to:

  • Increase in % of children with obesity
  • Increased use of antibiotics - moms and children
  • Decreased levels of Vitamin D - indoors, etc
  • Decreased Magnesium (needed to use Vitamin D) in diet
    Guess: 80% of children have less than 30 ng in 2016

See also VitaminDWiki

Image


A negative association between serum 25-hydroxyvitamn D (25OHD) concentrations and adiposity has been found in adults. We hypothesized that serum 25(OH)D concentrations of children would correlate positively with vitamin D intake and correlate negatively with adiposity measures. Using a nationally representative sample of children aged 6 to 18 years from the National Health and Nutrition Examination Survey 2005-2006 (n = 2492), serum 25(OH)D concentrations were compared with measures of adiposity (weight, waist circumference WC, WC-to-height ratio, body mass index, skinfold thickness, and percent body fat). Based on Endocrine Society's serum 25(OH)D concentration criteria, 26.9% ± 2.3% of the children were vitamin D deficient (<20 ng/mL) and 26.5% ± 2.6% had sufficient levels (≥30 ng/mL). Controlling for age, sex, ethnicity, and income, linear regression analysis indicated that dietary vitamin D intake was positively associated with serum 25(OH)D levels (P < .05) and markers of adiposity were negatively associated with serum 25(OH)D levels: WC, WC-to-height ratio, body mass index, and triceps skinfold thickness (P < .05). A subgroup analysis (n = 2086; 8-18 years) of body fat, fat mass index, and percent body fat measured by dual-energy x-ray absorptiometry also was negatively associated with serum 25(OH)D levels (P < .05). When standardized β coefficients were compared, strength of the inverse relationship to serum 25(OH)D concentrations was very similar for several adiposity measures. In conclusion, risk of a vitamin D deficiency was fairly common among children based on Endocrine Society criteria and low serum 25(OH)D concentrations were strongly associated with increased adiposity in children.

Copyright © 2016 Elsevier Inc. All rights reserved.

PMID: 26773783

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