Serological Evidence of Infectious Laryngotracheitis Infection and Associated Risk Factors in Chickens in Northwestern Ethiopia
Table 3
Univariable and multivariable mixed-effect logistic regression analysis of host-related risk factors with ILTV seroprevalence.
Variables Category
No. of examined
No. of positive
Prevalence % (95% CI)
Univariable
Multivariable
COR (95% CI)
value
AOR (95% CI)
value
Breed
Exotic
415
257
61.9 (0.57–0.67)
RF
Local
353
197
55.8 (0.50–0.61)
0.78 (0.58–1.04)
0.086
0.38 (0.24–0.61)
≤0.001
Sex
Male
219
128
58.5 (0.52–0.65)
RF
Female
549
326
59.4 (0.55–0.64)
1.04 (0.76–1.43)
0.812
Age
Young
201
106
52.7 (0.46–0.60)
RF
Adult
567
348
61.4 (0.57–0.65)
1.42 (1.03–1.97)
0.033
Production purpose
Layer
445
265
69.6 (0.55–0.64)
RF
Broiler
171
93
54.4 (0.47–.62)
0.81 (0.57–1.16)
0.263
Dual
152
96
63.2 (0.55–0.71)
1.16 (0.79–1.70)
0.432
COR: crude odds ratio AOR: adjusted odds ratio, 95% CI: 95% confidence interval. value of <0.05 was considered statistically significant, and value of ≤0.001 was considered strong statistical significance, RF: reference factor.
