Table 1.
Child and household characteristics among children enrolled in this serologic substudy, disaggregated by study arm
| Characteristics | Intervention (N = 75) count (%) | Control (N = 114) count (%) | Total (N = 189) count (%) |
|---|---|---|---|
| Female | 40 (53.3) | 54 (47.4) | 94 (49.7) |
| Age at enrollment (months) | |||
| 6 | 1 (1.5) | 1 (1.0) | 2 (1.2) |
| 7–8 | 22 (32.4) | 36 (35.6) | 58 (34.3) |
| 9–10 | 18 (26.5) | 38 (37.6) | 56 (33.1) |
| 11–12 | 27 (39.7) | 26 (25.7) | 53 (31.4) |
| Socioeconomic status* | |||
| Lowest | 10 (13.3) | 18 (15.8) | 28 (14.8) |
| Second lowest | 11 (14.5) | 20 (17.5) | 31 (16.4) |
| Middle | 14 (18.7) | 26 (22.8) | 40 (21.2) |
| Second highest | 21 (28.0) | 27 (23.7) | 48 (25.4) |
| Highest | 19 (25.3) | 23 (20.2) | 42 (22.2) |
| Time between rounds (months) | |||
| 6–7 | 1 (1.5) | 0 | 1 (0.6) |
| 8–9 | 31 (46.3) | 69 (67.0) | 100 (58.8) |
| 10–12 | 35 (52.2) | 34 (33.0) | 69 (40.6) |
| Primary water source | |||
| Piped water into dwelling or plot | 1 (1.3) | 0 | 1 (0.5) |
| Hand pump/borehole | 18 (24.0) | 30 (26.6) | 48 (25.5) |
| Protected spring/well | 40 (53.3) | 54 (47.8) | 94 (50.0) |
| Unprotected spring/well | 13 (17.3) | 20 (17.7) | 33 (17.6) |
| Surface water | 3 (4.0) | 9 (8.0) | 12 (6.4 |
| Toilet type | |||
| Pit latrine with slab | 24 (33.8) | 35 (34.0) | 59 (33.9) |
| Pit latrine with no slab | 45 (63.4) | 60 (58.3) | 105 (60.3) |
| Ventilated pit latrine | 0 | 3 (2.9) | 3 (1.7) |
| Composting toilet | 2 (2.8) | 5 (4.9) | 7 (4.0) |
| Feces within 1 M of toilet | 31 (41.3) | 41 (36.0) | 72 (38.1) |
| Shared sanitation | 24 (32.0) | 27 (24.6) | 51 (27.8) |
*
Socioeconomic status quintile determined through polychoric principal components analysis, as described in the supplement.