Table 1.
Characteristics of the study population
| Total population | Non-filter group | Filter group | |
|---|---|---|---|
| % (N) | % (N) | % (N) | |
| Number of children | 952 | 484 | 468 |
| Baseline age of child (months) | |||
| Median ± SD (range) | 20 ± 8.9 (2–40) | 20 ± 9.0 (2–38) | 20 ± 8.9 (3–40) |
| 0–11 | 22% (207) | 21% (101) | 22% (106) |
| 12–23 | 41% (392) | 41% (197) | 42% (195) |
| 24–36 | 34% (326) | 37% (183) | 34% (159) |
| 37–48 | 3% (27) | 1% (3) | 2% (8) |
| Number of visits with caregiver-reported diarrhea | |||
| 0 visits | 35% (330) | 14% (70) | 56% (260) |
| 1 visits | 31% (294) | 31% (152) | 30% (142) |
| 2 visits | 20% (188) | 29% (140) | 10% (48) |
| 3 visits | 9% (86) | 15% (72) | 3% (14) |
| 4 visits | 4% (42) | 8% (39) | 1% (3) |
| 5 visits | 1% (12) | 2% (11) | <1% (1) |
| Child gender | |||
| Female | 48% (455) | 48% (230) | 48% (225) |
| Male | 52% (497) | 52% (254) | 52% (243) |
| Primary language spoken by household | |||
| Aymara | 3% (29) | 2% (12) | 3% (17) |
| Spanish | 50% (476) | 51% (248) | 49% (228) |
| Quecha | 47% (447) | 46% (224) | 48% (223) |
| Caregiver years of formal education | |||
| None | 11% (102) | 9% (42) | 13% (60) |
| 1–5 Years | 30% (282) | 34% (165) | 25% (117) |
| 6–10 Years | 31% (292) | 30% (145) | 31% (147) |
| > 10 Years | 29% (276) | 27% (132) | 31% (144) |
| Main source of drinking water | |||
| Tanker truck | 88% (834) | 88% (425) | 87% (409) |
| Water coolers | 7% (71) | 9% (42) | 6% (29) |
| Other | 5% (47) | 3% (17) | 7% (30) |