Table 1.
Description of the 5624 study participants who provided at least one stool sample in 25 rain-fed and 25 irrigated villages of Samar Province, the Philippines, 2003–2004.
| Variable | Rain-fed villages (%) | Irrigated villages (%) | |
| Sample size | 3,277 | 2,347 | |
| Sex | Males | 1,740 (46.9) | 1,226 (47.8) |
| Females | 1,537 (53.1) | 1,121 (52.2) | |
| Age distribution | ≤ 10 years | 638 (19.5) | 398 (17.0) |
| >10–16 years | 973 (29.7) | 699 (29.8) | |
| >16–40 years | 944 (28.8) | 721 (30.7) | |
| >40 years | 722 (22.0) | 529 (22.5) | |
| Occupation* | Works most of the time on a rice farm | 1402 (48.9) | 1069 (49.7) |
| Works sometimes on a rice farm | 48 (4.3) | 28 (5.2) | |
| Works on a farm but never on a rice farm | 121 (4.6) | 85 (4.4) | |
| Does not work on a farm | 482 (18.3) | 329 (16.9) | |
| Does not work on a rice farm, may work on another type of farm | 586 (22.2) | 438 (22.5) | |
| Number of stool samples provided | 1 stool | 885 (27.0) | 697 (29.7) |
| 2 stools | 1123 (34.3) | 770 (32.8) | |
| 3 stools | 1269 (38.7) | 880 (37.5) | |
Occupation*: No child less than 10 years old (n = 1036) worked and are therefore excluded from this classification, but it includes children aged more than 10 years old still attending school.