Table 1.
Demographic and exposure characteristics of the Agricultural Health Study cohort at enrollment.
| Factor | Farmers | Farmer’s Spouses | |
|---|---|---|---|
| State: | Iowa | 31,853 | 21,771 |
| North Carolina | 20,366 | 10,576 | |
| Gender: | Men | 50,878 | 220 |
| Women | 1,341 | 32,347 | |
| Age: | <50 years | 29,697 | 18,632 |
| 50+ years | 22,506 | 13,715 | |
| 13+ years education | 43,110 | 28,947 | |
| Ever smoked | 43% | 26% | |
| Applied pesticides: | Alachlor | 48% | 4% |
| 2,4-D | 69% | 14% | |
| Chlorpyrifos | 39% | 4% | |
| Diazinon | 35% | 10% | |
| Terbufos | 35% | 3% | |
| Use pesticides in home | 13% | 74% | |
| Raised: | Beef cattle | 36% | 33% |
| Hogs | 31% | 29% | |
| Corn | 69% | 22% |