Variable | Category | ß (estimate) (coefficients) | Std. error | Odds ratio (eß) | 95% CI (eß) | P-value |
---|---|---|---|---|---|---|
Parity | ||||||
 | Null/primi | -0.34 | 0.25 | 0.71 | 0.43–1.16 |  |
 | Multiparous | -0.21 | 0.28 | 0.81 | 0.47–1.42 | 0.45 |
Year | ||||||
 | 2013/14 | -1.87 | 0.43 | 0.15 | 0.06–0.34 |  |
 | 2014/15 | 1.68 | 0.53 | 5.37 | 1.96–16.55 | 0.001 |
 | 2015/16 | 1.73 | 0.53 | 5.65 | 2.07–17.36 | 0.001 |
 | 2016/17 | 1.87 | 0.51 | 6.49 | 2.47–19.46 | 0.000 |
 | 2017/18 | 1.42 | 0.51 | 4.13 | 1.56–12.37 | 0.006 |
 | 2018/19 | 1.48 | 0.51 | 4.39 | 1.68–13.05 | 0.004 |
 | 2019/20 | 0.89 | 0.53 | 2.46 | 0.88–7.57 | 0.09 |
Season | ||||||
 | Wet | -1.02 | 0.19 | 0.36 | 0.24–0.52 |  |
 | Dry | 0.79 | 0.24 | 2.2 | 1.38–3.57 | 0.001 |
Age | ||||||
 | ≤ 2 year | -0.29 | 0.25 | 0.74 | 0.44–1.23 |  |
 | > 2 year | -0.26 | 0.28 | 0.77 | 0.44–1.36 | 0.36 |