Chapter 3. Infant Feeding

Table 3.75. Percent of mothers who usually kept their milk at room temperature for each number of hours in the past two weeks by infant age1, among mothers who pumped milk at each age

Infant Feeding Practices Study II

Number of hours that breast milk was
usually kept at room temperature
Month 2 Month 5 Month 7
Less than 1 hour 32.3 33.7 34.3
1 to 2 hours 16.5 14.9 13.0
3 to 4 hours 9.5 8.3 6.6
5 to 8 hours 2.8 3.4 2.6
9 to 11 hours 0.4 0.3 0.0
12 to 16 hours 0.0 0.0 0.2
Don't keep breast milk at room temperature 38.4 39.4 43.3
Total(%) 100 100 100
Total(N) 1,142 698 455

1Table is based on variables: M2D39, M5D39, M7D39