Ā | Breast cancer history (nā=ā512) | General population (nā=ā1,911,757) | ||
---|---|---|---|---|
n | % | n | % | |
Preterm birth | ||||
āTerm (ā„37Ā weeks gestation) | 404 | 78.9 | 1,703,476 | 89.1 |
āPreterm (<37Ā weeks gestation) | 108 | 21.1 | 206,026 | 10.8 |
āMissing | 0 | 0.0 | 2255 | 0.1 |
Low birthweight | ||||
āHealthy weight (ā„2500Ā g) | 436 | 85.2 | 1,743,325 | 91.2 |
āLow birthweight (<2500Ā g) | 76 | 14.8 | 168,432 | 8.8 |
āMissing | 0 | 0.0 | 0 | 0.0 |
Small for gestational age | ||||
āNot small for gestational age | 444 | 86.7 | 1,696,048 | 88.7 |
āSmall for gestational age | 68 | 13.3 | 213,188 | 11.2 |
āMissing | 0 | 0.0 | 2521 | 0.1 |
Education | ||||
āLess than high school (ā¤11Ā years) | 19 | 3.7 | 266,180 | 13.9 |
āHigh school diploma (12Ā years) | 123 | 24.0 | 662,969 | 34.7 |
āSome or graduated college (13ā16 years) | 282 | 55.1 | 814,843 | 42.6 |
āProfessional/graduate degree (ā„17Ā years) | 87 | 17.0 | 164,664 | 8.6 |
āMissing | 1 | 0.2 | 3101 | 0.2 |
Marital status | ||||
āMarried | 404 | 78.9 | 1,320,768 | 69.1 |
āNot married | 108 | 21.1 | 590,559 | 30.9 |
āMissing | 0 | 0.0 | 430 | 0.02 |
Parity | ||||
āPrimiparous (1 birth) | 153 | 29.9 | 787,261 | 41.2 |
āMultiparous (ā„2 births) | 359 | 70.1 | 1,124,496 | 58.8 |
āMissing | 0 | 0.0 | 0 | 0.0 |
Race/ethnicity | ||||
āWhite, non-Hispanic | 324 | 63.3 | 1,382,978 | 72.3 |
āBlack, non-Hispanic | 188 | 36.7 | 528,779 | 27.7 |
āMissing | 0 | 0.0 | 0 | 0.0 |
Smoking | ||||
āNon-smoker | 463 | 90.4 | 1,605,661 | 84.0 |
āSmoker | 46 | 9.0 | 296,037 | 15.5 |
āMissing | 3 | 0.6 | 10,059 | 0.5 |
Maternal age at infant delivery (in years) | ||||
āMean (standard deviation) | 34.6 (4.7) | 27.1 (5.7) | ||
āRange | 20.0ā48.0 | 18.0ā50.0 | ||
Age at breast cancer diagnosis (in years) | ||||
āMean (standard deviation) | 31.8 (4.7) | Ā | ||
āRange | 18.7ā44.3 | Ā | ||
Chemotherapy | ||||
āDid not receive chemotherapy | 259 | 50.6 | Ā | Ā |
āReceived chemotherapy | 253 | 49.4 | Ā | Ā |
āMissing | 0 | 0.0 | Ā | Ā |
Length of time between diagnosis and infant delivery | ||||
ā<2Ā years | 195 | 38.1 | Ā | Ā |
ā2ā4.9 years | 197 | 38.5 | Ā | Ā |
āā„5Ā years | 120 | 23.4 | Ā | Ā |
āMissing | 0 | 0.0 | Ā | Ā |