Characteristic | All infants n = 61088 | Infants with birth defectsb n = 3005 | OR [95% CI] | ||
---|---|---|---|---|---|
 | n | (%) | n | (%) |  |
In utero exposure to September 11, 2001c | Â | Â | Â | Â | Â |
   No | 41272 | (67.6) | 2026 | (67.4) | 1.00 |
   Yes | 19816 | (32.4) | 979 | (32.6) | 1.01 [0.93, 1.09] |
Maternal age | Â | Â | Â | Â | Â |
   <35 years | 56205 | (92.0) | 2721 | (90.5) | 1.00 |
   ≥ 35 years | 4883 | (8.0) | 284 | (9.5) | 1.21 [1.06, 1.38] |
Maternal military status | Â | Â | Â | Â | Â |
   Civilian/married to active duty | 49660 | (81.3) | 2484 | (82.7) | 1.00 |
   Active duty | 11428 | (18.7) | 521 | (17.3) | 0.95 [0.86, 1.05] |
Military parent's education level | Â | Â | Â | Â | Â |
   Bachelor's or above | 11326 | (18.5) | 561 | (18.7) | 1.00 |
   Some college | 2478 | (4.1) | 152 | (5.1) | 1.24 [0.97, 1.59] |
   High school or less | 47284 | (77.4) | 2292 | (76.3) | 0.98 [0.81, 1.20] |
Military parent's race/ethnicity | Â | Â | Â | Â | Â |
   White/non-Hispanic | 40386 | (66.1) | 2096 | (69.8) | 1.00 |
   Black/non-Hispanic | 11017 | (18.0) | 497 | (16.5) | 0.87 [0.79, 0.97] |
   Hispanic | 5993 | (9.8) | 271 | (9.0) | 0.87 [0.76, 0.99] |
   Asian/Pacific Islander | 2294 | (3.8) | 83 | (2.8) | 0.69 [0.55, 0.86] |
   Other | 1398 | (2.3) | 58 | (1.9) | 0.80 [0.61, 1.04] |
Military parent's service branch | Â | Â | Â | Â | Â |
   Army | 23010 | (37.7) | 1100 | (36.6) | 1.00 |
   Navy/Coast Guard | 15012 | (24.6) | 735 | (24.5) | 1.03 [0.94, 1.14] |
   Air Force | 15859 | (26.0) | 786 | (26.2) | 1.00 [0.91, 1.10] |
   Marine Corps | 7207 | (11.8) | 384 | (12.8) | 1.11 [0.98, 1.25] |
Military parent's pay grade | Â | Â | Â | Â | Â |
   Officer | 10363 | (17.0) | 515 | (17.1) | 1.00 |
   Enlisted | 50725 | (83.0) | 2490 | (82.9) | 1.05 [0.85, 1.29] |
Military parent's occupation | Â | Â | Â | Â | Â |
   All others | 42699 | (69.9) | 2118 | (70.5) | 1.00 |
   Health care specialists | 5294 | (8.7) | 236 | (7.9) | 0.92 [0.80, 1.06] |
   Combat specialists | 13095 | (21.4) | 651 | (21.7) | 0.99 [0.90, 1.09] |