Table 3 Anaplasma spp. seropositivity predicted by sex, region, Borrelia burgdorferi and Babesia spp. co-exposures through univariate analysis
From: Predominant risk factors for tick-borne co-infections in hunting dogs from the USA
Variable | Anaplasma spp.-positive | Anaplasma spp.-negative | Relative risk (95% CI) | P-value |
|---|---|---|---|---|
Age, n (%) |  |  | 0.847 (0.529–1.482) | 0.5353 |
 ≤ 6 years | 55 (30.05) | 128 (69.95) |  |  |
 > 6 years | 11 (35.48) | 20 (64.52) |  |  |
Sex, n (%) |  |  | 1.58 (1.047–2.411) | 0.0379* |
 Male | 41 (37.61) | 68 (62.39) |  |  |
 Female | 25 (23.81) | 80 (76.19) |  |  |
Region, n (%) | Â | Â | Â | 0.0048* |
 East | 43 (41.35) | 61 (58.65) |  |  |
 Midwest | 12 (30.00) | 28 (70.00) |  |  |
 South | 4 (16.67) | 20 (83.33) |  |  |
 West | 7 (15.22) | 39 (84.78) |  |  |
% Exposed to B. burgdorferi | 25 (41.67) | 35 (58.33) | 1.565 (1.039–2.301) | 0.0473* |
% Exposed to Babesia spp. | 39 (41.94) | 54 (58.06) | 1.879 (1.254–2.834) | 0.0027* |
% Exposed to Ehrlichia spp. | 11 (45.83) | 13 (54.17) | 1.583 (0.9239–2.433) | 0.1037 |