Chapter 3. Infant Feeding

Table 3.69. Percent of mothers who pumped on a regular schedule by infant age and selected demographics,1
among mothers who pumped milk at each age

Infant Feeding Practices Study II
  Months 0-2 Months 3-5 Months 6-7
  N % N % N %
ALL 1,128 34.1 710 43.1 453 45.0
Age
18-24 174 28.7 77 37.7 48 39.6
25-29 422 33.9 264 39.8 145 43.4
30-34 331 36.3 233 45.9 164 43.3
35+ 201 35.8 136 47.8 96 53.1
Parity
Primiparous 359 42.6 215 57.7 152 55.3
Multiparous 750 29.9 488 36.7 296 40.2
Education
HS or less 132 30.3 66 27.3 32 28.1
Some college 386 27.5 218 34.4 122 34.4
College graduate 563 40.0 407 49.9 289 50.9
Income (% of poverty)
< 185% 356 24.2 202 28.7 109 27.5
185- < 350% 433 31.6 272 41.9 190 43.7
>=350% 339 47.8 236 56.8 154 59.1
WIC Participant
No 812 37.9 553 46.5 368 47.8
Yes 316 24.4 157 31.2 85 32.9
Race
White 953 33.2 625 41.8 399 43.9
Black 31 54.8 19 47.4 10 30.0
Hispanic 70 28.6 29 48.3 17 64.7
Region
Northeast 186 33.9 121 45.5 82 46.3
Midwest 346 36.1 215 45.1 132 43.9
South 344 38.4 212 45.8 132 47.7
West 252 25.8 162 35.2 107 42.1

1Table is based on variables: M2D33, M5D32, M7D32