Table 3.
Maternal race/ethnicity, mean maternal age and standard deviation (SD) for all eligible cases and controls
| Study sample | White | Black | Hispanic | Other | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N | % | Maternal age | N | % | Maternal age | N | % | Maternal age | N | % | Maternal age | |
| ADSP | ||||||||||||
| Cases | 199 | 49.7 | 31.8 ± 6.2 | 153 | 38.2 | 29.1 ± 8.1 | 27 | 6.7 | 27.2 ± 7.3 | 21 | 5.2 | 32.3 ± 6.2 |
| Controls | 269 | 46.6 | 29.4 ± 5.5 | 253 | 43.8 | 24.7 ± 6.2 | 34 | 5.9 | 26.4 ± 5.7 | 21 | 3.6 | 29.3 ± 5.5 |
| NDSP | ||||||||||||
| Cases | 636 | 42.9 | 34.0 ± 6.4 | 185 | 12.5 | 32.3 ± 8.1 | 574 | 38.8 | 32.8 ± 7.8 | 86 | 5.8 | 32.9 ± 6.4 |
| Controls | 772 | 45.0 | 29.7 ± 5.8 | 258 | 15.0 | 26.8 ± 6.6 | 559 | 32.6 | 26.2 ± 6.0 | 127 | 7.4 | 29.6 ± 5.2 |
| Total | ||||||||||||
| Cases | 835 | 44.4 | 33.5 ± 6.4 | 338 | 18.0 | 30.8 ± 8.3 | 601 | 31.9 | 32.5 ± 7.8 | 107 | 5.7 | 32.8 ± 6.4 |
| Controls | 1,041 | 45.4 | 29.6 ± 5.8 | 511 | 22.3 | 25.7 ± 6.5 | 593 | 25.9 | 26.2 ± 5.9 | 148 | 6.4 | 29.6 ± 5.2 |