Table 4.
Multivariable analysis of risk factors associated with feline immunodeficiency virus (FIV) test positivity among 572 patients tested for feline leukaemia virus and FIV using a commercially available point-of-care ELISA kit at a first-opinion veterinary practice in New Zealand between 7 April 2010 and 23 June 2016
| Variable | Levels | OR | 95% CI | P value |
|---|---|---|---|---|
| Age (years) | <1 | Ref | – | – |
| 1–5 | 5.55 | 1.08–102 | 0.102 | |
| 5–10 | 18.39 | 3.65–335 | 0.005 | |
| >10 | 14.09 | 2.77–258 | 0.011 | |
| Sex | Female | Ref | – | – |
| Male | 2.79 | 1.64–4.90 | <0.001 | |
| Breed | Domestic | Ref | – | – |
| Purebred | 0.07 | 0.004–0.33 | 0.009 | |
| Immunosuppression | Absent | Ref | – | – |
| Present | 2.51 | 1.33–4.62 | 0.003 | |
| Prior to vaccination | No | Ref | – | – |
| Yes | 0.26 | 0.08–0.67 | 0.013 |
OR = odds ratio; CI = confidence interval