Table 5.

Characteristics of Infants After Randomization at 6 Months of Age (Includes Only Infants Completing 12 Months)

CharacteristicModerate MineralHigh MineralCow MilkP
No. of infants383910
M/F16/2217/224/6  NS*
Age, wk
 6 mo26.3  ± 0.7†26.3  ± 0.626.6  ± 0.5NS
 9 mo39.5  ± 0.839.3  ± 0.939.9  ± 0.9NS
 12 mo52.6  ± 0.952.7  ± 1.153.0  ± 1.0NS
Weight, kg
 6 mo7.65  ± 0.807.58  ± 0.937.58  ± 0.66NS
 9 mo8.86  ± 0.858.79  ± 1.178.66  ± 0.82NS
 12 mo9.67  ± 0.999.77  ± 1.369.67  ± 0.86NS
Length, cm
 6 mo66.6  ± 2.866.5  ± 2.165.9  ± 2.2NS
 9 mo71.1  ± 2.671.2  ± 2.469.9  ± 2.4NS
 12 mo75.0  ± 2.975.1  ± 2.574.6  ± 2.7NS
Bone mineral content, g
 6 mo160.8  ± 20.8164.2  ± 32.2157.9  ± 19.2NS
 9 mo200.3  ± 25.1195.7  ± 32.0203.3  ± 28.2NS
 12 mo234.3  ± 28.3239.7  ± 42.9229.6  ± 29.8NS
Energy intake, kcal/d‡
 6 mo646  ± 152625  ± 117559  ± 183NS
 9 mo801  ± 192826  ± 175733  ± 73NS
 12 mo942  ± 282965  ± 261973  ± 359NS
Protein intake, mg/d
 6 mo14.1  ± 3.514.2  ± 2.812.1  ± 3.8NS
 9 mo18.4  ± 5.1§∥24.3  ± 6.7∥29.0  ± 4.3§<.001
 12 mo27.5  ± 12.8§31.9  ± 9.738.8  ± 14.9§.04 
Calcium intake, mg/d¶
 6 mo462  ± 122443  ± 109378  ± 119.16 
 9 mo555  ± 154∥868  ± 199§922  ± 182∥<.001
 12 mo588  ± 287∥813  ± 196§881  ± 321∥.001
Phosphorus intake, mg/d#
 6 mo324  ± 114307  ± 99264  ± 118NS
 9 mo512  ± 185§∥662  ± 162§776  ± 124∥<.001
 12 mo606  ± 287§727  ± 187874  ± 305§.01 
  • * NS indicates not significant at P > .20.P values less than .20 are provided.

  • Data are expressed as mean ± SD.

  • Conversion from calories per day to joules per day is 4.183.

  • Feeding groups with the same symbols are significantly different from each other.

  • Conversion from milligrams of calcium per day to millimoles of calcium per day is 0.02495.

  • # Conversion from milligrams of phosphorus per day to millimoles of phosphorus per day is 0.03229.