Chapter 3. Infant Feeding |
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Table 3.70. Median infant age in weeks when mothers first began pumping milk on a regular schedule by selected demographics1, among mothers who pumped milk on a regular schedule at each age Infant Feeding Practices Study II |
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|---|---|---|---|---|---|---|
| Month 2 | Month 5 | Month 7 | ||||
| N | Median infant age in weeks | N | Median infant age in weeks | N | Median infant age in weeks | |
| ALL | 386 | 3.5 | 300 | 8.0 | 199 | 10.0 |
| Age | ||||||
| 18-24 | 50 | 2.5 | 28 | 6.5 | 19 | 8.6 |
| 25-29 | 142 | 4.0 | 103 | 8.0 | 62 | 8.6 |
| 30-34 | 123 | 3.0 | 103 | 8.6 | 69 | 10.0 |
| 35+ | 71 | 4.0 | 66 | 8.3 | 49 | 10.0 |
| Parity | ||||||
| Primiparous | 154 | 3.0 | 123 | 8.6 | 80 | 8.6 |
| Multiparous | 224 | 4.0 | 174 | 8.0 | 118 | 12.0 |
| Education | ||||||
| HS or less | 40 | 2.0 | 18 | 3.5 | 9 | 13.0 |
| Some college | 105 | 3.0 | 71 | 7.0 | 41 | 8.6 |
| College graduate | 226 | 4.0 | 201 | 8.6 | 143 | 10.0 |
| Income (% of poverty) | ||||||
| < 185% | 85 | 4.0 | 55 | 6.0 | 29 | 12.0 |
| 185- < 350% | 140 | 3.5 | 112 | 8.0 | 83 | 9.0 |
| >=350% | 161 | 3.0 | 133 | 8.6 | 87 | 10.0 |
| WIC Participant | ||||||
| No | 309 | 3.0 | 254 | 8.6 | 171 | 10.0 |
| Yes | 77 | 4.0 | 46 | 6.0 | 28 | 8.6 |
| Race | ||||||
| White | 317 | 4.0 | 256 | 8.0 | 172 | 10.0 |
| Black | 17 | 3.0 | 9 | 4.0 | 3 | 8.6 |
| Hispanic | 20 | 2.0 | 13 | 6.0 | 10 | 13.0 |
| Region | ||||||
| Northeast | 64 | 3.0 | 54 | 8.6 | 45 | 12.0 |
| Midwest | 126 | 3.0 | 96 | 7.5 | 56 | 8.3 |
| South | 133 | 4.0 | 96 | 8.0 | 61 | 9.0 |
| West | 63 | 4.0 | 54 | 12.0 | 37 | 13.0 |
1Table is based on variables: M2D34, M5D33, M7D33 |
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