Variable | General | Group 1 | Group 2 | Group 3 | Chi2 test | ||||||||
n | % | CI | n | % | CI | n | % | CI | n | % | CI | ||
Opportunity to use water | |||||||||||||
Kitchen | 716 | 100a | 0 | 256 | 100a | 0 | 202 | 100a | 0 | 258 | 100a | 0 | NS |
Shower | 716 | 99.02a | 0.72 | 256 | 100a | 0.00 | 202 | 97.03b | 2.34 | 258 | 99.61ab | 0.76 | ** |
After toilet | 716 | 48.46b | 3.66 | 256 | 44.14b | 6.08 | 202 | 47.03ab | 6.88 | 258 | 53.88a | 6.08 | |
Before and after eating | 716 | 52.23b | 3.66 | 256 | 49.61b | 6.12 | 202 | 43.56b | 6.84 | 258 | 61.63a | 5.93 | *** |
Other | 716 | 2.65c | 1.18 | 256 | 0.78b | 1.08 | 202 | 6.44a | 3.39 | 258 | 1.55b | 1.51 | *** |
Water supply source | |||||||||||||
Tap water | 704 | 42.05a | 3.65 | 254 | 42.52b | 6.08 | 200 | 52a | 6.92 | 250 | 33.6c | 5.86 | *** |
Public drinking fountain | 704 | 0.99e | 0.73 | 254 | 1.18a | 1.33 | 200 | 1.5a | 1.68 | 250 | 0.4a | 0.78 | NS |
Drilling | 703 | 21.45b | 3.03 | 254 | 18.11a | 4.74 | 200 | 24a | 5.92 | 250 | 22.8a | 5.20 | NS |
Protected well | 704 | 16.9b | 2.77 | 254 | 11.81b | 3.97 | 200 | 14.5b | 4.88 | 250 | 24a | 5.29 | *** |
Unprotected well | 704 | 21.31b | 3.02 | 254 | 29.53a | 5.61 | 200 | 8.5b | 3.87 | 250 | 23.2a | 5.23 | *** |
Pond | 704 | 4.83c | 1.58 | 254 | 9.45a | 3.60 | 200 | 2b | 1.94 | 250 | 2.4b | 1.90 | *** |
Other | 704 | 1.85d | 1.00 | 254 | 1.97a | 1.71 | 200 | 4a | 2.72 | 250 | 0b | 0.00 | ** |
Home water storage | |||||||||||||
Covered container | 704 | 86.93a | 2.49 | 251 | 82.07b | 4.75 | 200 | 93a | 3.54 | 253 | 86.96b | 4.15 | ** |
Uncovered container | 704 | 13.49b | 2.52 | 251 | 19.92a | 4.94 | 200 | 6.5c | 3.42 | 253 | 12.65b | 4.10 | *** |
Other | 704 | 1.42c | 0.87 | 251 | 1.59a | 1.55 | 200 | 0.5a | 0.98 | 253 | 1.98a | 1.72 | NS |
Frequent disinfection of drinking water | |||||||||||||
Yes | 716 | 21.23b | 3.00 | 256 | 25.78a | 5.36 | 202 | 19.31a | 5.44 | 258 | 18.22a | 4.71 | NS |
No | 716 | 78.77a | 3.00 | 256 | 74.22a | 5.36 | 202 | 80.69a | 5.44 | 258 | 81.78a | 4.71 | NS |
Mode of disinfection | |||||||||||||
By boiling | 152 | 28.95b | 7.21 | 66 | 25.76a | 10.55 | 39 | 30.77a | 14.49 | 47 | 31.91a | 13.33 | NS |
By bleach | 152 | 7.89c | 4.29 | 66 | 9.09a | 6.94 | 39 | 7.69a | 8.36 | 47 | 6.38a | 6.99 | NS |
Aquatabs | 152 | 61.84a | 7.72 | 66 | 62.12a | 11.70 | 39 | 61.54a | 15.27 | 47 | 61.7a | 13.90 | NS |
Other | 152 | 1.32d | 1.81 | 66 | 3.03a | 4.14 | 39 | 0a | 0.00 | 47 | 0a | 0.00 | NS |