Canine visceral leishmaniasis in the Northeast Region of Brazil

Table 1 Association between IFT-Lm results and epidemiological variables investigated in the studied animals

Variable		N	IFAT^a	Variable (%); CI95%^b	OR (CI95%)^c	p ^d
Gender	Male	195	14	7.2; 4.4–11.7	1.4 (0.6–2.9)	0.24^e
	Female	196	19	9.7; 6.3–14.7	1.4 (0.6–2.9)	0.24^e
Breed	Pure	114	9	7.9; 4.2–14.3	1.1 (0.5–2.5)	0.49^e
	Mongrel	277	24	8.7; 5.9–12.6	1.1 (0.5–2.5)	0.49^e
Age (years)	Young (≤1 year)	54	4	7.4; 3.0–17.6	1.2 (0.4–3.5)	0.51^e
	Adult (>1 year)	337	29	8.6; 6.1–12.1	1.2 (0.4–3.5)	0.51^e
Age (months)	6-12 months	54	4	7.4; 3.0–17.6	–	0.78^f
	12-24 months	81	5	6.2; 2.7–13.7
	24-48 months	92	7	7.6; 3.8–14.9
	48-60 months	86	8	9.3; 4.8–17.3
	>60 months	78	9	11.5; 6.2–20.5
Contact with other animals	No	77	2	2.6; 0.8–9.0	4.1 (1.0–17.6)	0.02^e
Contact with other animals	Yes	314	31	9.9; 7.1–13.7	4.1 (1.0–17.6)	0.02^e
Number of contacted animals	None	59	1	1.7; 0.4–8.9	–	0.00^f
	Only one	207	13	6.3; 3.7–10.5
	Two or more	125	19	15.2; 10.0–22.5
Raising	Domestic	307	23	7.5; 5.1–11.0	–	0.27^f
	Semi-domestic	79	10	12.7; 7.1–21.8
	Free	5	0	0.0; 0.0–0.0
Food	Commercial feed	88	8	9.1; 4.7–16.9	–	0.84^f
	Homemade food	130	12	9.2; 5.4–15.5
	Both	173	13	7.5; 4.5–12.4
Environment	Earth	80	7	8.8; 4.4–17.0	–	0.91^f
	Cement	178	16	9.0; 5.6–14.1
	Both	131	10	7.6; 4.2–13.5
Disinfection	Daily	326	25	7.7; 5.3–11.1	–	0.08^f
	Weekly	46	8	17.4; 9.1–30.8
	Fortnightly	15	0	0.0; 0.0–0.0
	Monthly	3	0	0.0; 0.0–0.0

^aTiter ≥40; ^bfrequency of positive animals based on the variables studied (confidence interval = 95 %); ^cOR: odds ratio; ^d p: p value for α = 5; ^eFisher’s exact test; ^f chi-square test

ISSN: 1678-9199