Table 6 Associations between microbiological contamination and study period (season) after multivariate logistic regression analysis
From: The social ecology of water in a Mumbai slum: failures in water quality, quantity, and reliability
Coliforms | E. coli | |||||
|---|---|---|---|---|---|---|
Odds ratio | 95% Confidence interval | p-value | Odds ratio | 95% Confidence interval | p-value | |
Study period | 0.002 | 0.086 | ||||
Winter | 1.0 | - | - | 1.0 | - | - |
Summer | 4.3 | 1.1 - 16.1 | 0.032 | 15.0 | 1.7 – 133.6 | 0.015 |
Monsoon | 10.2 | 2.5 - 42.4 | 0.001 | 6.3 | 0.7 – 59.0 | 0.110 |
System failure | 1.0 | 0.2 - 4.1 | 1.000 | 6.3 | 0.7 – 59.0 | 0.110 |