Table 6. Distribution of STH infection at each branch of conditional inference tree.
| Left Child Node * | Right Child Node * | ||||
| Internal Node # | Independent Variable | STH positive N (%) | STH negative N (%) | STH positive N (%) | STH negative N (%) |
| 1 | District | 96 (25%) | 283 (75%) | 101 (14%) | 615 (86%) |
| 2 | % pupils reporting hand washing water always available at school | 30 (16%) | 156 (84%) | 66 (34%) | 127 (66%) |
| 3 | Pupil enrollment | 58 (11%) | 456 (89%) | 43 (21%) | 159 (79%) |
| 4 | Private latrine | 40 (14%) | 239 (86%) | 18 (8%) | 217 (92%) |
| 5 | Low SES | 22 (16%) | 115 (84%) | 21 (32%) | 44 (68%) |
| 6 | Intervention | 26 (19%) | 109 (81%) | 14 (10%) | 130 (90%) |
| 7 | Age | 10 (10%) | 90 (90%) | 12 (32%) | 25 (68%) |
| 8 | % pupils reporting soap always available at school | 12 (44%) | 15 (56%) | 9 (24%) | 29 (76%) |
| 9 | Dry season improved water source | 9 (33%) | 18 (67%) | 17 (16%) | 91 (84%) |
| 10 | % pupils reporting soap always available at school | 8 (11%) | 67 (89%) | 9 (27%) | 24 (73%) |
| 11 | Mother status | 5 (15%) | 29 (85%) | 3 (7%) | 38 (93%) |
*See Figure 2.