Table 1 Seroprevalence and risk factors to Leishmania infantum, SFSV and TOSV in sheltered dogs from Portugal

Gender

567

χ ² = 1.011, df = 1, P = 0.315

–

χ ² = 7.920, df = 1, P = 0.005

1.636 (1.160–2.307)

χ ² = 0.514, df = 1, P = 0.474

–

 Female

340 (60.0)

41 (12.1)

175 (51.5)

23 (6.8)

 Male

227 (40.0)

15.0 (34)

144 (63.4)

12 (5.3)

Breed

568

χ ² = 5.746, df = 2, P = 0.057

–

χ ² = 11.654, df = 2, P = 0.003

χ ² = 0.202, df = 2, P = 0.964 (ns)

–

 Pure breed

79 (13.9)

17 (21.5)^a

48 (60.8)^b

4 (5.1)

 Crossed breed

98 (17.3)

13 (13.3)

40 (40.8)^b,c

6 (6.1)

 Mongrel

391 (68.8)

45 (11.5)^a

232 (59.3)^c

25 (6.4)

Age (months)

526

P = 0.244^*(ns)

–

P < 0.0001^*

P = 0.013^*

 ≤ 11

6 (1.1)

0 (0.0)

3 (50.0)

1 (16.7)

 12-83

377 (71.7)

44 (11.7)

183 (48.5)^d

16 (4.2)^e

  ≥ 84

143 (27.2)

24 (16.8)

110 (76.9)^d

15 (10.5)^e

Insecticides

580

χ ² = 0.408, df = 1, P = 0.523

–

χ ² = 5.641, df = 1, P = 0.018

1.642 (1.088–2.479)

χ ² = 0.001, df = 1, P = 0.974

–

 No

466 (80.3)

59 (12.7)

274 (58.8)

29 (6.2)

 Yes

114 (19.7)

17 (14.9)

53 (46.5)

7 (6.1)

Clinical signs

580

χ ² = 11.733, df = 1, P = 0.001

2.435 (1.446–4.100)

χ ² = 0.807, df = 1, P = 0.369

–

χ ² = 3.571, df = 1, P = 0.059

–

 Absent

460 (79.3)

49 (10.7)

255 (55.4)

33 (7.2)

 Present

120 (20.7)

27 (22.5)

72 (60.0)

3 (36)

Total

581

76 (13.1)

327 (56.3)

36 (6.2)