Table 2.
Distribution of case–control sets (n = 138) according to exposure status, Cholera outbreak, Medipally, Andhra Pradesh, 2013
| Exposure | Number of case–control pairs | Matched odds ratio | 95 % Confidence interval | ||||
|---|---|---|---|---|---|---|---|
| Concordant for exposure status | Discordant for exposure status | ||||||
| All exposed | All unexposed | Case exposed | Case unexposed | P | |||
| Gender | 62 | 62 | 11 | 3 | 3.67 | 1.08- 6.36 | 0.06 |
| Education-Illiterate | 53 | 63 | 8 | 14 | 0.57 | 0.22- 1.35 | 0.14 |
| Monthly family income < Rs 3000 | 31 | 71 | 19 | 17 | 1.12 | 0.57-2.17 | 0.87 |
| Employment status unemployed | 122 | 2 | 6 | 8 | 0.75 | 0.24-2.21 | 0.42 |
| Drinking exclusive Overhead tank water | 56 | 22 | 58 | 2 | 29.00 | 8.45- 176.71 | 0.00 |
| Presence of house flies | 69 | 38 | 22 | 9 | 2.44 | 1.14- 5.58 | 0.03 |
| < Mean household members (4) | 59 | 16 | 22 | 41 | 0.54 | 0.31- 0.89 | 0.01 |
| Attended fair | 0 | 129 | 7 | 2 | 3.50 | 0.77- 24.58 | 0.18 |
| Practices | |||||||
| Regularly drink boiled water | 6 | 76 | 8 | 48 | 0.17 | 0.07- 0.33 | 0.01 |
| Wash hands before eating | 46 | 34 | 11 | 47 | 0.23 | 0.11- 0.44 | 0.01 |