Table 2. Univariate analysis of risk factors for acute Q fever development in outbreak near Comté River, Amazon Rain Forest, French Guiana, 2014*.

Exposure type	Cases, n = 5, no. (%)	Controls, n = 15, no. (%)	Crude OR (95% CI)	p value
Using brush cutter	2 (40)	3 (20)	2.52 (0.15–36.3)	0.56
Being close to brush cutter while in use	5 (100)	5 (33)	NA (1.20–NA)	0.03
Collecting or moving wood	4 (80)	11 (73)	1.43 (0.09–89.2)	1
Collecting freshly cut grass	0	2 (13)	0 (0–16.8)	1
Cleaning dust on furniture	2 (40)	11 (73)	0.26 (0.02–3.19)	0.29
Sweeping carbet	3 (60)	13 (87)	0.25 (0.01–4.79)	0.25
Using shower inside carbet	3 (60)	4 (27)	3.81 (0.31–62.5)	0.29
Walking around carbet	2 (40)	5 (33)	1.31 (0.08–16.0)	1
Stirring soil	1 (20)	1 (7)	3.24 (0.04–293)	0.45
Cleaning animal droppings	0	7 (47)	0 (0–1.81)	0.11

*NA, not applicable; OR, odds ratio.