Table 2.

Univariate and multivariate logistic regression analyses of demographic characteristics of individuals diagnosed with Sindbis virus by ELISA.

		Univariate			Multivariate
		OR	95%CI	p-value *	OR	95%CI	p-value
Collection Year	2011	Ref.
	2012	0.83	0.49–1.40	0.4748
	2013	1.06	0.64–1.74	0.8308
	2014	0.71	0.41–1.24	0.2250
Age Group (years)	0–4	Ref.
	9–5	1.00	0.45–2.21	0.9934	0.95	0.43–2.12	0.9109
	10–14	0.81	0.35–1.88	0.6307	4.45	0.58–34.02	0.1503
	15–29	0.55	0.22–1.34	0.187	1.12	0.17–7.30	0.9018
	30–54	1.43	0.70–2.93	0.3289	5.56	1.04–29.71	0.0448
	55–64	1.38	0.65–2.94	0.4004	3.33	0.61–18.21	0.1648
	65–74	3.71	1.86–7.44	0.0002	6.51	1.20–35.24	0.0297
	75+	2.10	0.94–4.70	0.0690	3.85	0.69–21.39	0.1231
Gender	Male	0.85	0.59–1.24	0.4086
	Female	Ref.
Birth Country	Other	1.51	0.99–2.32	0.0581
	Israel	Ref.
Population group	Jews and Others	Ref.
	Arabs	1.08	0.67–1.75	0.7539
Residence Type	Rural	Ref.
	Urban	1.11	0.70–1.74	0.6587
Socioeconomic status	Low	0.82	0.53–1.28	0.3808
	High	Ref.
Residence Area	South	2.67	1.13–6.32	0.0252	3.08	1.07–8.82	0.0364
	Central	3.74	1.42–9.86	0.0077	5.00	1.59–15.79	0.0060
	North	2.67	1.12–6.33	0.0259	2.87	1.004–8.23	0.0492
	Haifa	0.67	0.13–3.34	0.6238	0.81	0.14–4.53	0.8075
	Jerusalem	Ref.
	Tel-Aviv	1.96	0.59–6.51	0.2728	2.09	0.54–8.05	0.2859
Number of years lived in Israel (years)	0–9	Ref.
	10–19	0.59	0.29–1.17	0.1288	0.17	0.03–1.15	0.0696
	20–29	0.99	0.46–2.14	0.9860	0.66	0.12–3.58	0.6293
	30–39	0.97	0.40–2.39	0.9557	0.20	0.04–1.18	0.0762
	40–49	1.26	0.54–2.93	0.5959	0.28	0.05–1.54	0.1424
	50–59	1.48	0.74–2.96	0.2674	0.39	0.08–1.98	0.2569
	≥60	2.86	1.71–4.80	<0.0001	0.65	0.13–3.19	0.5986