TABLE 2

Percentage of Infants Who Received an Oral Vitamin D Supplement According to Feeding Practice by Age

Infant Age, mo (wk)Total, %Breast Milk, %Mixed, %Formula, %
1 (3 to <7)3.95.34.31.1
2 (7 to <11)5.59.45.10.9
3 (11 to <15)6.810.38.91.7
4 (15 to <19)6.810.89.81.7
5 (19 to <24)7.312.69.82.0
6 (24 to <29)7.012.19.42.6
7.5 (29 to <36)6.911.311.03.1
9 (36 to <43)6.011.27.92.9
10.5 (43 to <51)6.711.110.73.9
  • Classification as having received a vitamin D supplement indicates that infants received an oral supplement at least 3 days/week during the previous 2 weeks. Feeding-practice categories are mutually exclusive and based only on consumption of breast milk and formula.