TABLE 4.
Baseline characteristics of participants who obtained at least three samples (n = 132)a
| Human characteristic | Frequency (%) |
|---|---|
| Gender | |
| Male | 77 (58) |
| Female | 55 (42) |
| Category | |
| Farmer | 45 (34) |
| Family of farmer | 70 (53) |
| Employee | 17 (13) |
| Age (yrs) | 132 (mean, 36; range, 7–79) |
| <18 | 30 (23) |
| 18–65 | 99 (75) |
| >65 | 3 (2) |
| Avg no. of hours working in the farm per wk | 126 (mean, 25; range, 0–80) |
| 0 | 39 (31) |
| 1–20 | 26 (21) |
| ≥20 | 61 (48) |
| Smoking | |
| Yes | 11 (8) |
| No | 121 (92) |
a
Measured at the start of the study period (first sampling occasion). Differences in characteristics between the first and further sampling occasions were minor. Two out of 134 participants did not provide a sample at the first sampling occasion.