Table 3. Multivariate logistic regression analysis of associated possible correlates for West Nile virus in subjects in Israel.

		OR	95%CI	p-value
Age (years)	0–9	Ref.
	10–29	1.73	0.21–14.10	0.61
	30–54	0.39	0.04–4.18	0.43
	55–64	0.38	0.03–4.12	0.42
	65+	0.66	0.06–7.28	0.73
Population group	Jews and others	Ref.
	Arabs	1.86	1.37–2.52	<0.01
Gender	Female	Ref.
	Male	1.26	0.99–1.59	0.06
Number of years lived in Israel (years)	0–9	Ref.
	10–19	0.89	0.11–7.17	0.91
	20–29	0.96	0.12–7.82	0.97
	30–39	5.73	0.53–61.81	0.15
	40–49	8.30	0.78–88.30	0.08
	50–59	10.80	1.03–113.46	<0.05
	≥60	14.00	1.32–148.31	0.03
Birth country	Israel	Ref.
	Other	1.06	0.75–1.49	0.74
Residence area	Upper Galilee	Ref.
	Lower Galilee	1.55	0.94–2.56	0.09
	South	1.43	0.89–2.30	0.14
	Jerusalem	1.27	0.70–2.29	0.43
	Coastal Plain	2.24	1.37–3.65	<0.01
	The Inland Plain	2.18	1.18–4.03	0.01
	Great Rift Valley	1.90	1.10–3.30	0.02
Residence type	Urban	Ref.
	Rural	1.65	1.26–2.16	<0.01

OR: Odds Ratio; CI: Confidence Interval