| Variables | Crude Model | Adjusted Model |
| OR (95% CI) | OR (95% CI) | |
| Year |
|
|
| 2009 | 1 | 1 |
| 2010 | 0.52 (0.24, 1.14) | 0.52 (0.23, 1.16) |
| 2011 | 0.91 (0.41, 2.04) | 0.94 (0.41, 2.17) |
| 2012 | 0.90 (0.35, 2.31) | 0.98 (0.37, 2.61) |
| 2013 | 1.09 (0.46, 2.56) | 1.29 (0.52, 3.21) |
| 2014 | 0.92 (0.43, 1.96) | 1.42 (0.62, 3.29) |
| 2015 | 2.61 (1.18, 5.79)** | 3.39 (1.44, 7.96)*** |
| Age group |
|
|
| ≤12 months | 1 | 1 |
| 13 - 18 months | 0.96 (0.57, 1.61) | 0.99 (0.58, 1.72) |
| 19 - 24 months | 0.75 (0.42, 1.35) | 0.75 (0.40, 1.40) |
| Gender |
|
|
| Female | 1 | 1 |
| Male | 1.35 (0.86, 2.12) | 1.49 (0.92, 2.42) |
| Still breastfeeding |
|
|
| No | 1 | 1 |
| Yes | 0.81 (0.38, 1.75) | 0.66 (0.30, 1.48) |
| Clinical presentation |
|
|
| Had watery stool |
|
|
| No | 1 | 1 |
| Yes | 2.17 (1.34, 3.49)*** | 3.04 (1.74, 5.28)**** |
| Had fever, ≥38.0˚C |
|
|
| No | 1 | 1 |
| Yes | 0.89 (0.43, 1.87) | 0.95 (0.43, 2.11) |
| Had vomit |
|
|
| No | 1 | 1 |
| Yes | 0.60 (0.34, 1.06)* | 0.55 (0.30, 1.01)* |