Table 5.
Adjusted odds ratios (OR) and 95% confidence intervals (CI) relating gestational age with childhood cancers
| Gestational Age |
||||
|---|---|---|---|---|
| >=37 weeks | 32-36 weeks | <32 weeks | ||
| All cancers | Na | 15480 | 1252 | 236 |
| ORb (95%CI) | 1 | 1.07 (0.99-1.15) | 1.13 (0.92-1.40) | |
| Acute lymphoid leukemia | Na | 4199 | 324 | 47 |
| ORb (95%CI) | 1 | 1.06 (0.93-1.21) | 1.05 (0.72-1.54) | |
| Acute myeloid leukemia | Na | 758 | 50 | 11 |
| ORb (95%CI) | 1 | 0.86 (0.63-1.17) | 0.97 (0.45-2.12) | |
| Hodgkin lymphoma | Na | 431 | 30 | 4 |
| ORb (95%CI) | 1 | 0.92 (0.61-1.40) | 0.75 (0.24-2.38) | |
| Non-Hodgkin lymphoma | Na | 522 | 37 | 10 |
| ORb (95%CI) | 1 | 0.89 (0.61-1.28) | 1.63 (0.73-3.63) | |
| Burkitt lymphoma | Na | 200 | 22 | 1 |
| ORb (95%CI) | 1 | 1.53 (0.94-2.47) | -- | |
| Ependymoma | Na | 355 | 19 | 5 |
| ORb (95%CI) | 1 | 0.80 (0.49-1.31) | 1.29 (0.42-3.95) | |
| Astrocytoma | Na | 1495 | 96 | 12 |
| ORb (95%CI) | 1 | 0.83 (0.66-1.05) | 0.58 (0.28-1.20) | |
| Intracranial embryonal | Na | 803 | 63 | 8 |
| ORb (95%CI) | 1 | 0.97 (0.73-1.29) | 0.80 (0.34-1.90) | |
| Other gliomas | Na | 424 | 42 | 8 |
| ORb (95%CI) | 1 | 1.07 (0.74-1.56) | 0.76 (0.31-1.88) | |
| Neuroblastoma | Na | 1308 | 109 | 25 |
| ORb (95%CI) | 1 | 1.03 (0.83-1.29) | 1.33 (0.78-2.29) | |
| Retinoblastoma | Na | 603 | 52 | 12 |
| ORb (95%CI) | 1 | 1.05 (0.77-1.45) | 0.87 (0.38-2.03) | |
| Wilms tumor | Na | 1023 | 109 | 11 |
| ORb (95%CI) | 1 | 1.51 (1.21-1.88) | 0.96 (0.46-2.03) | |
| Hepatoblastoma | Na | 207 | 18 | 38 |
| ORb (95%CI) | 1 | 0.69 (0.39-1.23) | 1.59 (0.70-3.64) | |
| Osteosarcoma | Na | 251 | 22 | 2 |
| ORb (95%CI) | 1 | 1.31 (0.81-2.11) | -- | |
| Ewing sarcoma | Na | 181 | 22 | 3 |
| ORb (95%CI) | 1 | 1.68 (1.03-2.76) | 2.32 (0.67-8.02) | |
| Rhabdomyosarcoma | Na | 522 | 40 | 2 |
| ORb (95%CI) | 1 | 1.08 (0.76-1.53) | -- | |
| Gonadal germ cell tumor | Na | 249 | 20 | 5 |
| ORb (95%CI) | 1 | 1.11 (0.68-1.81) | 2.44 (0.89-6.74) | |
| Controls | Na | 50858 | 3776 | 628 |
a
Number of cases with non-missing birth weight
b
Adjusted for sex, birth weight, plurality, birth order, maternal age, maternal race, state, and year of birth