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Nutrients 2016, 8(12), 825; doi:10.3390/nu8120825

Low Prevalence of Vitamin D Insufficiency among Nepalese Infants Despite High Prevalence of Vitamin D Insufficiency among Their Mothers

1
Innlandet Hospital Trust, Lillehammer 2609, Norway
2
Centre for International Health, University of Bergen, Bergen 5007, Norway
3
Department of Child Health, Institute of Medicine, Tribhuvan University, Kathmandu 8212, Nepal
4
Department of Nursing and Health Promotion, Oslo and Akershus University College of Applied Sciences, Oslo 0130, Norway
5
Johns Hopkins Center for Human Nutrition, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA
6
WorldFish, P.O. Box 500 GPO, Penang 10670, Malaysia
7
Departments of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA 02115, USA
8
Department of Clinical Science, University of Bergen, Bergen 5007, Norway
9
Bevital AS, Bergen 5021, Norway
10
Department of Sports Science, Inland Norway University of Applied Sciences, Lillehammer 2604, Norway
*
Author to whom correspondence should be addressed.
Received: 1 November 2016 / Revised: 2 December 2016 / Accepted: 7 December 2016 / Published: 21 December 2016
(This article belongs to the Special Issue Vitamin D: Current Issues and New Perspectives)
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Abstract

Background: Describing vitamin D status and its predictors in various populations is important in order to target public health measures. Objectives: To describe the status and predictors of vitamin D status in healthy Nepalese mothers and infants. Methods: 500 randomly selected Nepalese mother and infant pairs were included in a cross-sectional study. Plasma 25(OH)D concentrations were measured by LC-MS/MS and multiple linear regression analyses were used to identify predictors of vitamin D status. Results: Among the infants, the prevalence of vitamin D insufficiency (25(OH)D <50 nmol/L) and deficiency (<30 nmol/L) were 3.6% and 0.6%, respectively, in contrast to 59.8% and 14.0% among their mothers. Infant 25(OH)D concentrations were negatively associated with infant age and positively associated with maternal vitamin D status and body mass index (BMI), explaining 22% of the variability in 25(OH)D concentration. Global solar radiation, maternal age and BMI predicted maternal 25(OH)D concentration, explaining 9.7% of its variability. Conclusion: Age and maternal vitamin D status are the main predictors of vitamin D status in infants in Bhaktapur, Nepal, who have adequate vitamin D status despite poor vitamin D status in their mothers. View Full-Text
Keywords: 25(OH)D; vitamin D status; season; lactating mothers; infants; Nepal 25(OH)D; vitamin D status; season; lactating mothers; infants; Nepal
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MDPI and ACS Style

Haugen, J.; Ulak, M.; Chandyo, R.K.; Henjum, S.; Thorne-Lyman, A.L.; Ueland, P.M.; Midtun, Ø.; Shrestha, P.S.; Strand, T.A. Low Prevalence of Vitamin D Insufficiency among Nepalese Infants Despite High Prevalence of Vitamin D Insufficiency among Their Mothers. Nutrients 2016, 8, 825.

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