Table 2.
Diarrhea incidence counts and rates for the entire 5 months A) before and B) after device implementation in the village.
| Study villages | Control villages | |
|---|---|---|
| A) Before implementation | ||
| Count (villagers) | 357 to 441 | 697 to 816 |
| Incidence count (count) | 153 | 172 |
| Exposure days (days) | 26,208 | 48,272 |
| Incidence rate (count/person-month) | 0.18 | 0.11 |
| B) After implementation | ||
| Count (villagers) | 312 to 359 | 683 to 699 |
| Incidence count (count) | 39 | 130 |
| Exposure days (days) | 23,576 | 48,748 |
| Incidence rate (count/person-month) | 0.05 | 0.08 |