Variables | Category | ß (estimate) (coefficients) | Std. error | Odds ratio (eß) | 95% CI (eß) | P-value |
---|---|---|---|---|---|---|
Parity | ||||||
 | Null/primi | -0.63 | 0.16 | 0.53 | 0.38–0.74 |  |
 | Multiparous | -0.5 | 0.2 | 0.61 | 0.41–0.91 | 0.013 |
Year | ||||||
 | 2013/14 | -1.6 | 0.33 | 0.18 | 0.09–0.33 |  |
 | 2014/15 | 0.89 | 0.41 | 2.43 | 1.12–5.58 | 0.03 |
 | 2015/16 | 1.22 | 0.4 | 3.41 | 1.58–7.76 | 0.002 |
 | 2016/17 | 1.17 | 0.39 | 3.23 | 1.52–7.29 | 0.003 |
 | 2017/18 | 0.77 | 0.4 | 2.16 | 1.00-4.94 | 0.06 |
 | 2018/19 | 0.44 | 0.41 | 1.56 | 0.70–3.61 | 0.3 |
 | 2019/20 | -0.02 | 0.47 | 0.97 | 0.38–2.48 | 0.9 |
Season | ||||||
 | Wet | -1.26 | 0.16 | 0.28 | 0.20–0.38 |  |
 | Dry | 0.44 | 0.2 | 1.55 | 1.05–2.32 | 0.03 |
Age | ||||||
 | ≤ 2 year | -0.56 | 0.17 | 0.57 | 0.40–0.79 |  |
 | > 2 year | -0.58 | 0.21 | 0.56 | 0.37–0.84 | 0.005 |