TABLE 1:

ORs (robust 95% CI) derived from univariable logistic regression models, including explanatory variables associated with the probability of a calf suffering an episode of either diarrhoea or pneumonia

Explanatory variable	OR	95% CI	P value
Outcome variable: episode of diarrhoea
Feeding group (ad libitum v restricted milk replacer)	3.86	1.45–10.28	0.007
Dam parity (primiparous v multiparous)	1.41	0.64–3.12	0.40
Colostrum quality (%)	1.004	0.90–1.11	0.94
Plasma total protein (g/l)	1.35	0.83–2.20	0.26
Birth weight (kg)	0.98	0.91–1.05	0.55
Outcome variable: episode of pneumonia
Feeding group (ad libitum v restricted milk replacer)	5.8	1.35–24.86	0.018
Dam parity (primiparous v multiparous)	1.40	0.61–3.24	0.13
Colostrum quality (%)	1.02	0.95–1.10	0.55
Plasma total protein (g/l)	1.01	0.68–1.50	0.94
Birth weight (kg)	0.98	0.91–1.06	0.62
Group size (per one calf increase in group size)	1.18	0.72–1.92	0.51