TABLE 1

Description of Cohort (n = 5 144 861), by Diagnosis of Cancer

Cancer DiagnosisP
Yes (n = 1100)No (n = 5 143 749)
Male, %55.251.005
Gestation in wk, mean (SD)39.5 (1.7)39.5 (1.6).65
Birth wt in g, mean (SD)3411 (511)3385 (503).09
Large for gestational age, %a10.99.9.28
Twin, %2.42.2.74
Down syndrome, %1.60.2<.001
Other chromosomal anomalies, %0.60.1<.001
Congenital anomalies, %7.74.1<.001
Maternal race, %.1
 White8380.2
 Black55.8
 Asian10.211.4
 Other1.92.6
Maternal Hispanic ethnicity, %50.647.5.04
Paternal race, %.36
 White82.480.2
 Black5.86.7
 Asian9.410.6
 Other2.42.6
Maternal age in y, mean (SD)28.2 (6.4)27.9 (6.3).08
Paternal age in y, mean (SD)30.9 (7)30.8 (7.1).58
Maternal education, %.78
 Did not complete high school31.429.8
 Completed high school, no college26.327.4
 Completed some college20.220
 Completed 4 y of college12.613.1
 Completed >4 y of college9.59.8
Paternal education, %.7
 Did not complete high school30.428.5
 Completed high school, no college29.229.2
 Completed some college16.717.9
 Completed 4 y of college12.813.2
 Completed >4 y of college1111.1
Cesarean delivery, %29.526.2.02
Payer, %.07
 Private insurance50.651.5
 Medi-Cal46.744.6
 Other2.74
  • a Large for gestational age is defined as >90th percentile (in this data set).