Table 3. Multiple logistic regression analysis for assessing risk for infection with Borrelia burgdorferi sensu lato after tick bite, Austria, 2015–2018*.

Parameter	p value	OR (95% CI)
Sex	0.818	0.90 (0.38–2.15)
Age	0.662	1.01 (0.98–1.04)
No. ticks	0.048	1.18 (1.00–1.39)
Tick PCR positive for B. burgorferi	0.001	4.39 (1.78–10.84)
Tick engorgement
Fully	<0.001	9.52 (2.79–32.45)
Slightly/partially	0.229	2.09 (0.63–6.98)
Not engorged	NA	1 (NA)

*NA, not applicable; OR, odds ratio.