TABLE 1.
Select Characteristics for All GCT Cases and Controls with an Exposure Buffer Distance of 3km, and for Yolk Sac Tumor and Teratoma Cases and Controls with an Exposure Buffer Distance of 4km.
| Characteristic | Exposure Buffer Distance: 3km | Exposure Buffer Distance: 4km | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| All GCTs | Controls (n=155,191) |
Yolk Sac Tumor Cases (n=99) | Teratoma Cases (n=125) |
|||||||||||||
| Controls (n=147,100) |
Cases (n=243) |
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| n | (%) | n | (%) | n | (%) | n | (%) | n | (%) | |||||||
| Maternal race | ||||||||||||||||
| White | 102,863 | (69.9) | 168 | (69.1) | 107,531 | (69.3) | 60 | (60.6) | 96 | (76.8) | ||||||
| Non-White | 44,237 | (30.1) | 75 | (30.9) | 47,660 | (30.7) | 39 | (39.4) | 29 | (23.2) | ||||||
| Neighborhood-level SES index | ||||||||||||||||
| Low | 41,380 | (28.1) | 70 | (28.8) | 43,143 | (27.8) | 29 | (29.3) | 37 | (29.6) | ||||||
| Medium-low | 36,678 | (24.9) | 64 | (26.3) | 38,961 | (25.1) | 24 | (24.2) | 35 | (28.0) | ||||||
| Medium | 28,826 | (19.6) | 37 | (15.2) | 30,562 | (19.7) | 14 | (14.1) | 15 | (12.0) | ||||||
| Medium-high | 21,861 | (14.9) | 45 | (18.5) | 23,253 | (15.0) | 21 | (21.2) | 23 | (18.4) | ||||||
| High | 18,143 | (12.3) | 27 | (11.1) | 19,052 | (12.3) | 11 | (11.1) | 15 | (12.0) | ||||||
| Missing | 212 | (0.1) | 0 | (0.0) | 220 | (0.1) | 0 | (0.0) | 0 | (0.0) | ||||||
| Maternal age, M ± SD | 27.6 ±0.02 | 27.0 ±0.39 | 27.6 ±0.02 | 27.7 ±0.66 | 26.5 ±0.50 | |||||||||||
| Missing | 15 | 0 | 16 | 0 | 0 | |||||||||||
GCT, germ cell tumor; km, kilometer; M, mean; SD, standard deviation; SES, socioeconomic status.