Table-4.

Factors retained in the final multivariable mixed-effect logistic regression model of risk of flock level C. perfringens infection.

Determinates	Category	AOR	95% CI	Coefficient	SE	Z-statistic	p-value
Age of the bird (weeks)	1-3	1.61	0.27-9.69	0.47	0.91	0.521	0.60
	3-4
History of coccidia infection in the flock	Yes	33.01	2.14-507.59	3.49	1.39	2.5083	0.01
	No
Litter condition	Wet	1.21	0.09-15.17	0.19	1.287	0.1525	0.87
	Dry

AOR=Adjusted odds ratio, CI: Confidence interval, SE= Standard error. C. perfringens=Clostridium perfringens