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Table 3 Proportion of males, females and overall population below various cut off values for Vitamin D

From: Vitamin D levels in an Australian population

  Males Females Overall
  n % (95% CI) n % (95% CI) n % (95% CI)
Less than 25 nmol/L* 5 0.4 (0.2-1.0) 16 1.3 (0.8-2.2) 21 0.9 (0.6-1.4)
Less than 30 nmol/L* 18 1.6 (1.0-2.5) 43 3.5 (2.4-4.9) 61 2.5 (1.9-3.4)
Less than 40 nmol/L* 74 6.4 (4.9-8.3) 182 14.6 (12.1-17.5) 256 10.6 (9.1-12.4)
Less than 50 nmol/L* 215 18.5 (15.5-21.9) 334 26.8 (23.6-30.2) 549 22.7 (20.5-25.1)
Less than 60 nmol/L* 380 32.6 (28.9-36.6) 549 44.0 (40.2-47.8) 929 38.5 (35.8-41.3)
Less than 75 nmol/L* 692 59.5 (55.3-63.5) 861 68.9 (65.2-72.3) 1553 64.3 (61.6-67.0)
Less than 100 nmol/L 1005 86.4 (83.1-89.0) 1121 89.8 (87.4-91.7) 2127 88.1 (86.2-89.8)
  1. The weighting of data can lead to rounding discrepancies and totals not adding.
  2. *Chi square test indicates significant difference in prevalence in each category between males and females p < 0.05.