Table 1. Variables associated with the presence of DNA Borrelia burgdorferi s.l. in serum samples from 207 residents of the rural area of Jataizinho (PR), 2007.

Disease variables	Positive DNA total (%)	p value	OR CI ( 95%)
Lyme Borreliosis
Ticks attached to the body
Yes	02/16 (12.50)	0.0056*
No	00/191 (0.00)
Presence of ticks inside of house
Yes	02/27 (7.40)	0.0164*
No	00/180 (0.00)

p = probability;

^*Fisher's exact test;

OR = Odds ratio; CI = Confidence interval (Gonçalves et al., 2013).