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Table 1 Baseline characteristics of vitamin-D deficient and non-deficient children aged 6–30 months included in the analysis

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

Characteristics n = 1000
Number of children for whom samples for vitamin-D were available at baseline 960 (96.0%)
Proportion of children
 Deficient (< 10 ng/ml) 331 (34.5)
 Non-deficient (≥ 10 ng/ml) 629 (65.5)
  Deficient Non-deficient
  n = 331 n = 629
Infant characteristics
 Age at enrollment, months (mean, SD) 16.9 (7.1) 15.8 (7.0)
 Boys 162 (48.9) 328 (52.2)
 Ever breastfed 325 (98.2) 622 (98.9)
 Anemia (Hb < 11 g/dl) 244 (73.7) 424 (67.4)
 Folate, nmol/L (Median, IQR) 9.1 (6.1 to 16.7) 12.5 (6.9 to 21.8)
 Vitamin B12, pmol/L (Median, IQR) 266 (181 to 406) 266 (172 to 410)
Socio-demographic characteristics
 Mother’s age, years (Mean, SD) 26.3 (5.8) 25.6 (4.1)
 Mother’s schooling, years (Median, IQR) 8 (5,10) 7 (0,10)
 Literate mother 257 (77.6) 466 (74.1)
 Father’s schooling, years (Median, IQR) 10 (7,12) 9 (6,12)
 Annual family income, US dollar(Median, IQR)a 1108 (923to 2215) 1292 (923 to2123)
  1. Figures are number (percentages) unless stated otherwise
  2. a1 US Dollar = INR 65