Table 3.
Results of home visits for reported household water source, treatment method, child water consumption, and presence of chlorine in stored water over 25 biweekly visits, by treatment group, hollow fiber ultrafilter evaluation, Kenya, April 2010–March 2011
| Total,* n (%) | Intervention,* n (%) | Comparison,* n (%) | P-value† | |
|---|---|---|---|---|
| Water source | < 0.001 | |||
| Improved | 2096/3,952 (53.0) | 1,108/2,193 (50.5) | 988/1759 (56.2) | |
| Unimproved | 1856/3,952 (47.0) | 1,085/2,193 (49.5) | 771/1759 (43.8) | |
| Treated drinking water | 706/3,952 (17.9) | 540/2,193 (24.6) | 166/1759 (9.4) | < 0.001 |
| Drinking water treatment for infants | 3,926/3,948 (99.4) | 2,178/2,192 (99.4) | 1748/1756 (99.5) | 0.44 |
| Hollow fiber ultrafilter | 1768 (45.0) | 1765 (81.0) | 3 (0.2) | < 0.001 |
| WaterGuard | 1851 (47.2) | 768 (41.5) | 1,083 (58.5) | < 0.001 |
| Boiling | 156 (4.0) | 20 (0.9) | 136 (7.8) | < 0.001 |
| PUR | 12 (0.3) | 7 (0.3) | 5 (0.3) | 0.84 |
| Untreated | 848 (21.6) | 198 (23.4) | 650 (37.2) | < 0.001 |
| Chlorine present in stored water | 0.33 | |||
| Positive (≥ 0.1 mg/mL) | 201/3,795 (5.3) | 103/2,100 (4.9) | 98/1,695 (5.8) | |
| Negative | 3,593/3,795 (94.7) | 1996/2,100 (95.1) | 1,597/1,695 (94.2) |
*
Discrepancies from total N are due to missing values.
†
Crude analysis using the chi-square or Fisher’s exact test as appropriate.