Chapter 7. Employment and Day Care

Table 7.4. Median infant age in weeks when mothers began working after the delivery by selected demographics1, among mothers who worked after birth

Infant Feeding Practices Study II

  Month 3 Month 6 Month 9 Month 12
  N Median N Median N Median N Median
ALL 927 8.0 972 9.6 956 10.6 916 12.0
Age
18-24 173 6.3 162 10.6 166 11.1 144 12.9
25-29 313 8.0 321 9.0 300 9.6 288 12.0
30-34 262 8.6 294 9.6 289 10.6 277 11.6
35+ 178 8.6 194 10.6 200 10.6 206 11.6
Parity
Primiparous 316 8.6 335 10.6 335 11.6 323 12.9
Multiparous 590 7.3 614 8.6 601 9.6 573 11.6
Education
HS or less 136 7.0 135 8.6 131 10.6 121 12.9
Some college 326 7.0 324 8.6 310 8.6 285 11.0
College graduate 407 8.6 460 10.6 465 11.0 459 11.6
Income (% of poverty)
< 185% 294 6.3 305 8.6 291 9.6 264 12.9
185- < 350% 347 8.0 348 8.6 346 9.6 336 11.6
>=350% 286 8.6 319 11.6 319 11.6 316 12.0
WIC Participant
No 619 8.6 670 10.6 666 10.6 648 11.6
Yes 308 7.0 302 8.6 290 10.3 268 12.9
Race
White 776 8.0 818 9.6 808 10.6 774 11.6
Black 43 8.6 41 12.9 40 11.6 38 12.9
Hispanic 44 8.6 45 11.0 47 10.6 46 12.9
Region
Northeast 160 8.6 171 10.6 170 12.9 164 12.9
Midwest 332 8.0 324 9.0 326 9.6 310 10.6
South 283 7.3 278 8.6 278 9.8 253 10.6
West 152 8.0 199 11.6 182 12.0 189 12.9

1Table is based on variables: M3H7, M6H14, M9H14, MWH14