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. 2011 Aug 4;11:8. doi: 10.1186/1472-6890-11-8

Table 3.

Distribution of 25(OH)D levels in plasma according to gender and females dress style

Vitamin D levels Males Females (according to dress style)
Western Style Hijab Niqab
< 25 nmol/l 0.0% 0.0% 4.3% 8.7%

25.0 - < 37.5 nmol/l 25.2% 35.9% 88.5% 87.0%

37.5 - < 50.0 nmol/l 50.5% 53.8% 5.8% 4.3%

50.0 - < 62.5 nmol/l 18.3% 10.3% 0.7% 0.0%

62.5 - < 75.0 nmol/l 4.0% 0.0% 0.7% 0.0%

≥ 75 nmol/l 2.0% 0.0% 0.0% 0.0%