Table 1

Input parameters of the model
# Parameter Value or comment Source
1 Vitamin D serum concentration model
1.1  25(OH)D concentration Varies per month and per federal state of Germany [nmol/L]; average: 45 nmol/L Brown et al [27].
1.2  Vitamin D intake through food Varies per gender; mean average men: 3.4 μg and mean average women: 2.8 μg per day Brown et al [27].
2 Carrier foodstuff consumption
2.1 Bread Men/Women National Nutritional Survey II [34]
  5th percentile 46 g/43 g
  Mean intake 180 g/134 g
  95th percentile 377 g/270 g
2.2 Milk Men/Women National Nutritional Survey II [34]
  5th percentile 16 g/22 g
  Mean intake 222 g/203 g
  95th percentile 712 g/555 g
2.3 Juice Men/Women National Nutritional Survey II [34]
  5th percentile 0 g/0 g
  Mean intake 270 g/232 g
  95th percentile 1,200 g/1,000 g
3 Intake recommendation or 25(OH)D recommendation
3.1 Intake recommendation
  IOM 15 μg IOM [31]
  DGE 20 μg DGE [32]
  Upper Limit (UL) 100 μg IOM [31]
3.2. Recommended 25(OH)D conc.
  IOM 50 nmol/L IOM [31]
  Bischoff-Ferrari et al., 75 nmol/L Bischoff-Ferrari et al [24],
  Domarus et al. Domarus et al [23].
4 Others
4.1  Conversion factor fortified food to 25(OH)D serum increase 2.32 nmol/L per 1 μg O’Donnell [33]

Brown et al.

Brown et al. Nutrition Journal 2013 12:151   doi:10.1186/1475-2891-12-151

Open Data