From: Predominant risk factors for tick-borne co-infections in hunting dogs from the USA
Variable | Ehrlichia spp.-positive | Ehrlichia spp.-negative | Unadjusted relative risk (95% CI) | P-value |
---|---|---|---|---|
Age, n (%) |  |  | 0.4114 (0.196–0.920) | 0.0571* |
 ≤ 6 years | 17 (9.29) | 166 (90.71) |  |  |
 > 6 years | 7 (22.58) | 24 (77.42) |  |  |
Sex, n (%) |  |  | 1.349 (0.640–2.860) | 0.5185 |
 Male | 14 (12.84) | 95 (87.16) |  |  |
 Female | 10 (9.52) | 95 (90.48) |  |  |
Region, n (%) | Â | Â | Â | Â |
 East | 3 (2.88) | 101 (97.12) |  | < 0.0001* |
 Midwest | 15 (37.50) | 25 (62.60) |  |  |
 South | 5 (20.83) | 19 (79.17) |  |  |
 West | 1 (2.17) | 45 (97.83) |  |  |
% Exposed to B. burgdorferi | 8 (13.33) | 52 (86.67) | 1.283 (0.583–2.744) | 0.6299 |
% Exposed to Anaplasma spp. | 11 (16.67) | 55 (83.33) | 1.897 (0.905–3.920) | 0.1037 |
% Exposed to Babesia spp. | 13 (13.98) | 80 (86.02) | 1.538 (0.734–3.221) | 0.2815 |