Prenatal, perinatal, and childhood Vitamin D exposure and their association with childhood allergic rhinitis and allergic sensitization

Supinda Bunyavanich, Sheryl L. Rifas-Shiman, Thomas A. Platts-Mills, Lisa Workman, Joanne E. Sordillo, Carlos A. Camargo, Matthew W. Gillman, Diane R. Gold, Augusto A. Litonjua

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54 Scopus citations

Abstract

Background The role of early-life vitamin D in childhood allergy is controversial. Objective We sought to assess vitamin D exposure in early life by multiple modalities and ascertain its association with childhood allergic rhinitis and allergic sensitization. Methods One thousand two hundred forty-eight mother-child pairs from a US prebirth cohort unselected for any disease were studied. Vitamin D exposure was assessed by measures of maternal intake during the first and second trimesters of pregnancy and serum 25-hydroxyvitamin D (25[OH]D) levels in mothers during pregnancy, cord blood, and children at school age (median age, 7.7 years; interquartile range, 1.0 years). Tests for associations between vitamin D exposure with ever allergic rhinitis, serum total IgE level, and allergen sensitization at school age were conducted. Results The correlations between maternal intake of vitamin D during pregnancy and serum 25(OH)D levels in pregnant mothers, cord blood, and children at school age were weak to moderate (r = -0.03 to 0.53). Each 100 IU/d of food-based vitamin D intake during the first and second trimesters (equivalent to the amount of vitamin D in an 8-ounce serving of milk) was associated with 21% and 20% reduced odds of ever allergic rhinitis at school age (odds ratios of 0.79 [95% CI, 0.67-0.92] and 0.80 [95% CI, 0.68-0.93]), respectively. There were no associations between maternal supplemental vitamin D intake or serum 25(OH)D levels at any time point with ever allergic rhinitis. There were no associations between any vitamin D exposure and serum total IgE level or allergen sensitization at school age. Conclusions Inclusion of foods containing vitamin D in maternal diets during pregnancy may have beneficial effects on childhood allergic rhinitis.

Original languageEnglish
Pages (from-to)1063-1070.e2
JournalJournal of Allergy and Clinical Immunology
Volume137
Issue number4
DOIs
StatePublished - 1 Apr 2016

Keywords

  • Allergic rhinitis
  • Vitamin D
  • allergy
  • atopy
  • childhood
  • food
  • perinatal
  • prenatal
  • sensitization
  • supplement

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