Table 1.
Percentage of students antibody positive/school | Gray-scale symbol (Figure 1B) | Number of schools | Number of students tested | Average number of students tested/school | Range of students enrolled/school | Median elevation (m) |
---|---|---|---|---|---|---|
0 | White | 17 | 314 | 19 | 71–528 | 415 |
5–10 | Light gray | 14 | 273 | 20 | 73–596 | 378 |
15–20 | Dark gray | 7 | 138 | 20 | 77–422 | 410 |
25–30 | Black | 4 | 80 | 20 | 159–388 | 374 |
Total | – | 42 | 805 | – | – | – |
GST = glutathione-S-transferase.