Independent variables | Cases | Non-cases | ||||
---|---|---|---|---|---|---|
No | % | 95% CI | No | % | 95% CI | |
With piped water | 286 | 98.6 | 96.5 – 99.6 | 1.381 | 96.6 | 95.5 – 97.5 |
Without piped water | 4 | 1.4 | 0.4 – 3.5 | 48 | 3.4 | 2.5 – 4.5 |
No accumulation of water in backyard in winter | 89 | 30.7 | 25.4 – 36.3 | 591 | 41.4 | 38.8 – 44.0 |
With accumulated water in backyard in winter | 201 | 69.3 | 63.7 – 74.6 | 838 | 58.6 | 56.0 – 61.2 |
No accumulation of water in backyard in summer | 206 | 71.0 | 65.4 – 76.2 | 1.046 | 73.2 | 70.8 – 75.5 |
With accumulated water in backyard in summer | 84 | 29.0 | 23.8 – 34.6 | 383 | 26.8 | 24.5 – 29.2 |
Sewage disposal: general system | 6 | 2.1 | 0.8 – 4.4 | 51 | 3.6 | 2.7 – 4.7 |
Sewage disposal: pit or open ditch | 284 | 97.9 | 95.6 – 99.2 | 1.378 | 96.4 | 95.3 – 97.3 |
Head of family’s schooling: high school or university | 36 | 12.7 | 9.1 – 17.2 | 321 | 22.9 | 20.7 – 25.2 |
Head of family’s schooling: illiterate or elementary school | 247 | 87.3 | 82.8 – 90.9 | 1.083 | 77.1 | 74.8 – 79.3 |
Age group: 0–9 and > 60 years | 54 | 12.6 | 9.7 – 16.3 | 682 | 29.4 | 27.6 – 31.3 |
Age group: 10–19 years | 99 | 23.2 | 19.3 – 27.5 | 384 | 16.6 | 15.1 – 18.2 |
Age group: 20–39 years | 196 | 45.9 | 41.1 – 50.8 | 765 | 33.0 | 31.1 – 35.0 |
Age group: 40–59 years | 78 | 18.3 | 14.8 – 22.3 | 487 | 21.0 | 19.4 – 22.7 |
No. of family members in home: < 5 peoples | 164 | 56.6 | 50.6 – 62.3 | 886 | 62.0 | 59.4 – 64.5 |
No. of family members in home: > 5 people | 126 | 43.4 | 37.7 – 49.4 | 543 | 38.0 | 35.5 – 40.6 |
Not stepping in water when going out from home in winter | 34 | 11.7 | 8.3 – 16.0 | 298 | 20.9 | 18.8 – 23.1 |
Stepping in water when going out from home in winter | 256 | 88.3 | 84.0 – 91.7 | 1.131 | 79.1 | 76.9 – 81.2 |
Not stepping in water when going out from home in summer | 223 | 76.9 | 71.6 – 81.6 | 1.132 | 79.2 | 77.0 – 81.3 |
Stepping in water when going out from home in summer | 67 | 23.1 | 18.4 – 28.4 | 297 | 20.8 | 18.7 – 23.0 |
Living in asphalted street | 61 | 21.0 | 16.5 – 26.2 | 480 | 33.6 | 31.2 – 36.1 |
Not living in asphalted street | 229 | 79.0 | 73.8 – 83.5 | 949 | 66.4 | 63.9 – 68.8 |
Family income: > 1 minimum monthly salary | 208 | 71.7 | 66.2 – 76.8 | 1.166 | 81.6 | 79.5 – 83.6 |
Family income: < 1 minimum monthly salary | 82 | 28.3 | 23.2 – 33.8 | 263 | 18.4 | 16.4 – 20.5 |
Female sex | 175 | 40.3 | 35.7 – 45.1 | 1.270 | 54.7 | 52.6 – 56.7 |
Male sex | 259 | 59.7 | 54.9 – 64.3 | 1.053 | 45.3 | 43.3 – 47.4 |
Length of time living at locality: < 1 year | 5 | 1.7 | 0.6 – 4.0 | 58 | 4.1 | 3.1 – 5.3 |
Length of time living at locality: > 1 year | 285 | 98.3 | 96.0 – 99.4 | 1.371 | 95.9 | 94.7 – 96.9 |