Table 2.
Distribution of total childhood, leukemia, and central nervous system (CNS) cancer cases and at-risk population by sex, age, and percent cropland for study area, NAACCR 1995–2001.
| Characteristic | At-risk population [no. (%)] | All cancers [cases (%)] | Leukemia [cases (%)] | CNS [cases (%)] |
|---|---|---|---|---|
| Sex | ||||
| Male | 71,321,275 (51) | 10,856 (54) | 3,354 (54) | 2,334 (54) |
| Female | 67,914,027 (49) | 9,378 (46) | 2,814 (46) | 1,984 (46) |
| Age group (years) | ||||
| 0 | 8,838,525 (6) | 2,095 (10) | 321 (5) | 289 (7) |
| 1–4 | 35,861,584 (26) | 7,123 (35) | 2,944 (48) | 1,310 (30) |
| 5–9 | 47,188,891 (34) | 5,195 (26) | 1,689 (27) | 1,491 (35) |
| 10–14 | 47,346,302 (34) | 5,821 (29) | 1,214 (20) | 1,228 (28) |
| County percent cropland | ||||
| < 20 | 97,330,441 (70) | 14,160 (70) | 4,341 (70) | 2,995 (69) |
| 20 to < 60 | 31,217,835 (22) | 4,476 (22) | 1,357 (22) | 975 (23) |
| ≥ 60 | 10,687,026 (8) | 1,598 (8) | 470 (8) | 348 (8) |