Table 3.

Predictors of general knowledge about Zika virus at univariate and multivariable analysis

Variable	Category	POOR Knowledge	BASIC or BROAD knowledge about Zika
				Univariate analysis		Multivariable analysis
		N (% row)	N (% row)	OR (95% CI)	P-value	OR (95% CI)	P-value
Gender	Female	199 (71.1)	81 (28.9)	1.00		1.00
	Male	91 (56.5)	70 (43.5)	1.89 (1.26–2.83)	0.002	1.42 (0.90–2.24)	0.13
Age	Less than 20	69 (78.4)	19 (21.6)	1.00		1.00
	20–29	115 (70.6)	48 (29.4)	1.52 (0.82–2.79)	0.18	0.92 (0.45–1.85)	0.81
	30–39	57 (58.2)	41 (41.8)	2.61 (1.37–4.99)	0.004	1.06 (0.40–2.80)	0.91
	40 or more	39 (51.3)	37 (48.7)	3.45 (1.75–6.79)	0.0004	1.02 (0.37–2.85)	0.96
Marital status	Single	178 (69.5)	78 (30.5)	1.00
	Ever married	113 (61.7)	70 (38.3)	1.41 (0.95–2.11)	0.09
Nationality	GCC countries	53 (81.5)	12 (18.5)	1.00		1.00
	Middle East	60 (78.9)	16 (21.1)
	Asia	90 (68.7)	41 (31.3)	1.81 (1.07–3.09)	0.03	1.69 (0.96–2.95)	0.07
	Africa	21 (70.0)	9 (30.0)
	Europe	19 (57.6)	14 (42.4)	4.65 (2.67–8.08)	<0.0001	3.93 (2.11–7.34)	<0.0001
	North America/Australia/New Zealand	34 (42.0)	47 (58.0)
Role	Student	143 (74.9)	48 (25.1)	1.00		1.00
	Staff	99 (61.1)	63 (38.9)	1.91 (1.21–3.01)	0.005	1.02 (0.50–2.08)	0.96
	Faculty	23 (54.8)	19 (45.2)	2.48 (1.24–4.94)	0.01	1.14 (0.43–3.06)	0.79
	Online survey	29 (58.0)	21 (42.0)	2.17 (1.13–4.16)	0.02	1.51 (0.65–3.52)	0.34
Institution	Other institutions	179 (66.5)	90 (33.5)	1.00		1.00
	VCU-Q (Art, design)	45 (93.8)	3 (6.3)	0.13 (0.04–0.41)	0.0006	0.19 (0.06–0.67)	0.04
	WCM-Q (Medicine)	41 (55.4)	33 (44.6)	1.51 (0.90–2.52)	0.07	1.81 (1.03–3.20)	0.009

Odds ratio (OR) and 95% confidence intervals (CI) obtained from logistic regression model. All variables significantly associated with knowledge about Zika virus at univariate analysis were included in the multivariable model

Bold data refers to findings significant at P  <  0.05