A Cross-Sectional Seroepidemiological Study on Infectious Bursal Disease in Backyard Chickens in the Mymensingh District of Bangladesh

Table 4

Multivariable logistic regression model between binary response variable results and the selected factors (N = 460).

Variable	Category	OR	95% CI	-value
Sex	Male	Ref
	Female	125.6	47.8–329.8	0.00
Age	1–3 weeks	Ref
	4–6 weeks	40.6	18.4–89.5	0.00
	7–12 weeks	10	5.0–19.9	0.00
Status of health	Healthy	Ref
	Unhealthy	4.2	1.2–13.9	0.01
Breed type	Indigenous	Ref
	Crossbreed	6.5	1.5–27.5	0.01
Housing system	Free-ranging	Ref
	Separate house	0.1	0.07–0.23	0.00
Hygienic condition	Good	Ref
	Moderate	3.3	1.9–5.7	0.00
	Poor	31.3	9.3–105.2	0.00

Here, a value ≤0.05 was considered statistically significant, OR = odds ratio, CI = confidence interval.