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Vitamin-D status and neurodevelopment and growth in young north Indian children: a secondary data analysis.

Abstract：

BACKGROUND:Vitamin-D deficiency has been linked with impaired development in animal studies; however, the evidence from human studies is scanty. Evidence as to whether vitamin-D deficiency during early childhood affects growth is also limited and conflicting. We examined the extent to which vitamin-D deficiency (<10 ng/ml) is associated with neurodevelopment and physical growth in young children. METHODS:We used data from a randomized controlled trial (RCT) of daily folic acid and/ or vitamin B12 supplementation for six months in children aged 6 to 30 months conducted in Delhi, India. We measured vitamin-D status and  neurodevelopment by the Ages and Stages Questionnaire-3 (ASQ-3) at 12 to 36 months of age. Multiple logistic and linear regressions were used to examine the association between vitamin-D deficiency at baseline and neurodevelopment and growth 6 months follow-up. RESULTS:25-hydroxy-vitamin-D (25OHD) concentration was measured at baseline for 960 (96%) children. Of these, 331 (34.5%) children were vitamin-D deficient. The total and subscale (except for the Personal social scale) ASQ-3 scores, were not different between the vitamin-D deficient and non-deficient children. Vitamin-D deficiency was also not associated with physical growth at baseline and at follow -up. CONCLUSION:Our data do not support the hypothesis that vitamin-D deficiency is associated with poor growth and neurodevelopment. TRIAL REGISTRATION:NCT00717730 and CTRI/2010/091/001090 . Date of registration: 08 October, 2010.

journal_name

Nutr J

journal_title

Nutrition journal

authors

Chowdhury R,Taneja S,Bhandari N,Kvestad I,Strand TA,Bhan MK

doi

10.1186/s12937-017-0285-y

subject

Has Abstract

pub_date

2017-09-18 00:00:00

pages

59

issue

1

issn

1475-2891

pii

10.1186/s12937-017-0285-y

journal_volume

16

pub_type

杂志文章

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