Table 2.
Characteristics of URADD ASD cases and controls
| Characteristic | n (%) | Chi-square p-valuea | |
|---|---|---|---|
| Control (n=27,541) | ASD case (n=1,090) | ||
| Gender | 0.42 | ||
| Male | 22,134 (80.4) | 888 (81.5) | |
| Female | 5,407 (19.6) | 202 (18.5) | |
| Race/ethnicity | 0.001 | ||
| White non-Hispanic | 21,231 (77.1) | 902 (82.8) | |
| Hispanic | 4,503 (16.4) | 144 (13.2) | |
| Other | 1,184 (4.3) | 29 (2.7) | |
| Missing | 623 (2.3) | 15 (1.4) | |
| Maternal age | 0.005 | ||
| <21 years | 3,339 (12.1) | 114 (10.5) | |
| 21–33 years | 20,817 (75.6) | 807 (74.0) | |
| 34+ years | 3,384 (12.3) | 169 (15.5) | |
| Missing | 1 (<0.01) | 0 (0.0) | |
| Paternal age | 0.42 | ||
| <21 years | 1,108 (4.0) | 35 (3.2) | |
| 21–33 years | 18,910 (68.7) | 744 (68.3) | |
| 34+ years | 5,666 (20.6) | 228 (20.9) | |
| Missing | 1,857 (6.7) | 83 (7.6) | |
| Maternal education | 0.001 | ||
| <12 years | 3,853 (14.0) | 108 (9.9) | |
| 12 or 13 years | 10,898 (39.6) | 464 (42.6) | |
| 14+ years | 12,451 (45.2) | 504 (46.2) | |
| Missing | 339 (1.2) | 14 (1.3) | |
| Paternal education | 0.001 | ||
| <12 years | 2,688 (9.8) | 73 (6.7) | |
| 12 or 13 years | 8,326 (30.2) | 368 (33.8) | |
| 14+ years | 13,818 (50.2) | 523 (48.0) | |
| Missing | 2,709 (9.8) | 126 (11.6) | |
a
Adjusted using the Benjamini-Hochberg procedure