Table 2. Multivariable logistic regression of risk factors for infection with CCHFV, Turkey, January–April 2009*.

Characteristic	Odds ratio (95% CI)
Age, y
18–29	1
30–39	0.965 (0.630–1.480)
40–49	1.034 (0.669–1.599)
50–59	1.297 (0.832–2.023)
60–69	2.687 (1.723–4.191)
≥70	4.176 (2.638–6.611)
Education
None	1
Elementary school	0.977 (0.736–1.297)
High school or university	0.580 (0.357–0.942)
Occupation
Unemployed and other†	1
Farming	1.688 (1.301–2.190)
Animal husbandry	1.299 (0.922–1.832)
History of tick bite	2.292 (1.768–2.971)

*CCHFV, Crimean-Congo hemorrhagic fever virus.
†Retired, civil servant, factory worker, or housewife.