Table 2. Univariable Generalized Lineal Model with binomial error indicating the factors associated with Orientia seropositivity in dogs (n = 202) on Chiloé Island.

Factor	Positives	Negatives	OR	CI95%	p
City
Ancud	22	78	1.00
Castro	21	81	0.92	0.47–1.81	0.81
Setting
Urban	15	89	1.00
Rural	28	70	2.37	1.19–4.88	0.02*
Owner’s education
Primary	15	38	1.00
>Primary	28	117	0.61	0.29–1.27	0.18
Sex
Female	14	67	1.00
Male	29	91	1.53	0.76–3.18	0.25
Age
<24 months	9	64	1.00
≥ 24 months	34	94	2.57	1.19–6.04	0.02*
Pure breed
No	31	116	1.00
Yes	12	42	1.07	0.49–2.23	0.86
Free-roaming
No	6	22	1.00
Yes	37	136	0.99	0.40–2.87	0.99
Antiparasitic treatment
No	26	105	1.00
Yes	15	53	1.14	0.55–2.32	0.72
Presence of ticks
No	41	155	1.00
Yes	2	3	2.52	0.32–15.8	0.32
Presence of fleas
No	10	32	1.00
Yes	33	126	0.84	0.38–1.96	0.67
No of person per household			1.06	0.84–1.33	0.61
No of dogs per household			1.20	0.87–1.63	0.25

*Variables used for multivariable analysis