Table 2.

Results of the final multivariable model, using two-tooth (18-months-old at breeding) predictors, showing the OR (95% CI) for risk of two-tooth mortality between pregnancy diagnosis (PD) and weaning

Variable	Category	Odds ratio	95% CI	p-value
Cohort
	Farm A 2010-born	1	-	-
	Farm A 2011-born	0.833	0.664–1.045	0.114
	Farm B	0.422	0.318–0.559	< 0.001
	Farm C	0.049	0.015–0.153	< 0.001
Effect of BCS at average weight1
Two-tooth PD BCS
	2	1	-	-
	2.5	1.069	0.695–1.646	0.760
	3	0.874	0.540–1.415	0.585
	≥ 3.5	0.846	0.339–2.108	0.719
Effect of weight at different BCS2
Two-tooth PD BCS
	2.0	0.899	0.857–0.944	< 0.001
	2.5	1.006	0.982–1.030	0.641
	3.0	1.029	0.996–1.063	0.085
	≥ 3.5	1.044	0.960–1.134	0.313

¹There was a significant interaction between weight and BCS. Therefore, this shows, for a ewe of average weight, the effect of BCS

²There was a significant interaction between weight and BCS. Therefore, this shows, for each BCS, the effect of increasing the weight by 1 kg