Table 1.
Comparison of baseline characteristics weighted by time contributed to control periods and intervention periods*
| Characteristic | Baseline | Control periods | Intervention periods |
|---|---|---|---|
| All Ages | N = 1,731 | 5,640 person-weeks | 6,477 person-weeks |
| Age in years, mean (sd) | 38 (23.8) | 38 (23.8) | 37 (23.8) |
| Demographics, n (%) | |||
| Female | 790 (46%) | 2,524 (45%) | 3,006 (46%) |
| Under 15 years | 349 (20%) | 1,071 (19%) | 1,372 (21%) |
| Under 5 years | 110 (6%) | 354 (6%) | 415 (6%) |
| Baseline illness, n (%)† | |||
| Diarrhea‡ | 79 (5%) | 233 (4%) | 320 (6%) |
| Adults (> 15 years) | N = 1,382 | 4,569 person-weeks | 5,105 person-weeks |
| Employment and education, n (%) | |||
| Traditional ranching activities§ | 1,020 (75%) | 3427 (76%) | 3,713 (74%) |
| Not working§ | 25 (2%) | 68 (1%) | 107 (2%) |
| No education¶ | 278 (20%) | 930 (20%) | 1,016 (20%) |
| Households | N = 444 | N = 1470 | N = 1638 |
| Water quality, n (%) | |||
| < 1 MPN E. coli/100 mL∥ | 158 (40%) | 531 (39%) | 575 (41%) |
| < 10 MPN E. coli/100 mL∥ | 271 (69%) | 909 (68%) | 988 (70%) |
| Hygiene and sanitation, n (%) | |||
| Bar soap at wash station** | 216 (54%) | 725 (53%) | 787 (55%) |
| Feces in Yard (human or animal)†† | 143 (35%) | 517 (36%) | 484 (33%) |
| Adequate sanitation‡‡l | 216 (49%) | 688 (47%) | 824 (50%) |
| Self-reported open defecation‡‡ | 43 (10%) | 179 (12%) | 122 (7%) |
| Programs targeting the poor n (%) | |||
| Seguro popular insurance‡‡ | 266 (60%) | 870 (59%) | 991 (61%) |
| Oportunidades§§ | 284 (64%) | 929 (64%) | 1,058 (65%) |
| Infrastructure, n (%) | |||
| Live on improved road¶¶ | 102 (23%) | 351 (24%) | 363 (23%) |
| Palm roof¶¶ | 149 (34%) | 472 (32%) | 570 (35%) |
| Dirt floor¶¶ | 322 (73%) | 1,014 (69%) | 1,240 (76%) |
| HH possessions, n (%) | |||
| Functional radio‡‡ | 300 (68%) | 1,022 (70%) | 1,078 (66%) |
| Functional TV‡‡ | 194 (44%) | 619 (42%) | 739 (45%) |
| Functional car‡‡ | 352 (79%) | 1,176 (80%) | 1,288 (79%) |
| Wood burning stove only‡‡ | 163 (37%) | 583 (40%) | 558 (34%) |
| Functional refrigerator‡‡ | 75 (17%) | 212 (14%) | 313 (19%) |
*
See Methods for description of weighting and group definitions;
†
7-day prevalence; Missing observations at baseline:
‡
N = 147;
§
N = 14;
¶
N = 7;
∥
N = 53;
**
N = 43;
††
N = 30;
‡‡
N = 1;
§§
N = 2;
¶¶
N = 2;
l
Adequate sanitation: sealed pit latrine or flush system.