Seroprevalence of border disease virus and other pestiviruses in sheep in Algeria and associated risk factors

BMC Veterinary Research

Table 4 Risk factors for being seropositive for Border Disease with corresponding number and proportion of positive samples (apparent seroprevalence), number of negative samples and associated Odds-ratio (with 95% CI)

	Positive samples (%)	Negative samples	p value	OR	95% CI
Climate
arid	312 (65.5%)	164	0.0001	4.04 1	2.55–6.39
mediterranean	32 (32.0%)	68	0.0001	4.04 1	2.55–6.39
Landscape
mountain	31 (44.3%)	39	0.005	0.49 1	0.29–0.80
plateau	313 (61.9%)	193	0.005	0.49 1	0.29–0.80
Flock management
sedentary	126 (52.5%)	114	0.0001	0.59 1	0.42–0.83
transhumant	218 (64.9%)	118	0.0001	0.59 1	0.42–0.83
Herd Composition
mixed (goat or cattle)^a	243 (59.1%)	168	0.644^a	0.92^a 1	0.63-1.33
sheep only	101 (61.2%)	64	0.644^a	0.92^a 1	0.63-1.33
sheep with cattle^a	206 (60.6%)	134	0.611^a	1.09^a 1	0.78-1.53
no cattle	138 (58.5%)	98	0.611^a	1.09^a 1	0.78-1.53
sheep with goat	143 (52.8%)	128	0.001	0.58 1	0.41–0.81
no goat	201 (65.9%)	104	0.001	0.58 1	0.41–0.81
Clinical diseases
yes	126 (59.0%)	108	0.017	0.66 1	0.47–0.93
no	218 (63.7%)	124	0.017	0.66 1	0.47–0.93

ISSN: 1746-6148