Table 2. Odds ratios of the association between baseline characteristics and stroke knowledge.

		Knowledge of at least one stroke symptom or risk factor
Variables	n (%)	Stroke symptoms	Stroke risk factors	EMS telephone
		OR (95% CI)	OR (95% CI)	OR (95% CI)
Sex
Female	982 (54.9)	1	1	1
Male	806 (45.1)	0.63 (0.52-0.77)	0.62 (0.49-0.79)	1.04 (0.85-1.28)
Schooling (years)
10	882 (49.3)	1	1	1
> 10	906 (50.7)	1.64 (1.30-2.07)	1.27 (0.96-1.68)	1.19 (0.93-1.52)
Age (years)
15	427 (23.9)	1	1	1
16	697 (39.0)	1.29 (0.83-2.00)	0.86 (0.63-1.18)	1.04 (0.66-1.65)
17	486 (27.2)	1.02 (0.68-1.51)	0.88(0.60-1.28)	1.21 (0.81-1.81)
18	178 (9.9)	0.98 (0.68-1.40)	1.19(0.74-1.91)	1.70 (1.14-2.52)

OR = odds ratio; CI confidence interval; EMS = emergency medical services.