Research Article
Serological Evidence of Henipavirus among Horses and Pigs in Zaria and Environs in Kaduna State, Nigeria
Table 1
Risk factors associated with the prevalence of Henipavirus in pigs in Zaria and environs.
| Risk factor | Number | Number of seropositive animals (%) | Chi, df | value | Odds ratio | 95% CI |
| Management system | | | | | | | Intensive | 55 | 32 (58.1) | 60.92, 1 | <0.0001 | 10.43 | 5.41–20.14 | Semi-intensive | 255 | 30 (11.7) | | | Source of animal | | | | | | | Imported | 46 | 32 (69.5) | 82.94, 1 | <0.0001 | 17.83 | 8.56–37.25 | Locally sourced | 264 | 30 (11.3) | | Source of water | | | | | | | Well | 208 | 30 (14.4) | 12.29, 1 | 0.0005 | 0.37 | 0.21–0.65 | Pipe-borne | 102 | 32 (31.3) | | | Feed type | | | | | | | Homemade | 256 | 31 (12.1) | 57.19, 1 | <0.0001 | 0.10 | 0.05–0.20 | Commercial | 54 | 31 (57.4) | | | Feeding method | | | | | | | In the open | 131 | 20 (15.2) | 3.176, 1 | 0.0747 | 0.59 | 0.33–1.06 | In the pen | 179 | 42 (23.4) | | | Feed storage | | | | | | | No storage | 171 | 11 (6.4) | 70.69, 2 | <0.0001 | Ref. | | Open | 48 | 6 (12.5) | 0.48 | 0.17–1.38 | Feed house | 91 | 45 (49.5) | | | 0.07 | 0.03–0.15 | Bat presence | | | | | | | No | 128 | 42 (32.8) | 22.4, 1 | <0.0001 | 0.253 | 0.140–0.458 | Yes | 182 | 20 (10.9) | | | | |
| Total | 310 | 62 (20) | | | | |
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