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Table 4 Vitamin D status according to skin colour

From: Effect of vitamin D3 seasonal supplementation with 1500 IU/day in north Italian children (DINOS study)

 

Group A n = 82

Group B n = 121

Non-white n = 11

White n = 71

Non-white n = 18

White n = 103

25-OH-D level

%

%

%

%

> 30 ng/ml

45.5

46.5

22.3

20–29 ng/ml

27.3

43.7

22.2

36.9

< 20 ng/ml

27.3

9.9

77.8

40.8

All

100.0

100.0

100.0

100.0

Chi-square test ( P )

0.225

0.009*

  1. = number of children in each group; * below P significance level