From: Prevalence of and risk factors for colic in horses that display crib-biting behaviour
Variable | Â | Coefficient | Standard error | Adjusted odds ratio | 95% Confidence Interval | Likelihood ratio P value |
---|---|---|---|---|---|---|
Model 1: History of colic ever | ||||||
Duration of ownership (months) | Â | 0.016 | 0.003 | 1.02 | 1.01 - 1.02 | <0.001 |
Duration of stabling in the Autumn (hours per day) | Â | 0.041 | 0.019 | 1.04 | 1.003 - 1.08 | 0.035 |
CBWS behaviour associated with eating forage | No | Â | Â | Ref. | Â | Â |
 | Yes | 0.773 | 0.279 | 2.17 | 1.25 – 3.74 | 0.006 |
Fed haylage | No | Â | Â | Ref. | Â | Â |
 | Yes | 0.733 | 0.279 | 2.08 | 1.20 – 3.60 | 0.008 |
Model 2: History of colic in the last 12 months | ||||||
Severity of CBWS behaviour (cm) | Â | 0.217 | 0.059 | 1.24 | 1.10 - 1.40 | <0.001 |
Duration of stabling in the Autumn (hours per day) |  | 0.050 | 0.021 | 1.05 | 1.01 – 1.10 | 0.016 |