Table 3 Number of individuals examined for intestinal helminths from 2002 to 2004 grouped by infection status with A. lumbricoides, hookworms and Trichuris trichiura and the numbers of individuals who claimed to have been treated with DEC/albendazole in the previous year.
| Â | 2002 No. (%) | 2003 No. (%) | 2004 No. (%) | |||
|---|---|---|---|---|---|---|
| Â | Examined* | Treated** | Examined* | Treated** | Examined* | Treated** |
Ascaris | Â | Â | Â | Â | Â | Â |
   Negative | 450 (67.8) | 84 (18.7) | 440 (77.9) | 309 (70.2) | 417 (72.4) | 357 (85.6) |
   Positive | 201 (32.2) | 26 (12.9) | 125 (22.1) | 98 (78.4) | 159 (27.6) | 121 (76.1) |
Hookworm | Â | Â | Â | Â | Â | Â |
   Negative | 486 (74.7) | 90 (18.5) | 515 (91.8) | 376 (73.0) | 542 (94.1) | 458 (84.5) |
   Positive | 165 (25.3) | 20 (12.1) | 50 (8.2) | 31 (62.0) | 34 (5.9) | 20 (58.8) |
Trichuris | Â | Â | Â | Â | Â | Â |
   Negative | 590 (90.6) | 104 (17.6) | 516 (91.3) | 369 (71.5) | 525 (91.1) | 435 (82.9) |
   Positive | 61 (9.4) | 6 (6.6) | 49 (8.7) | 38 (77.6) | 51 (8.9) | 43 (84.3) |
Total | 651 (100) | 110 (16.9) | 565 (100) | 407 (72.0) | 576 (100) | 478 (83.0) |