Table 3.

Incident stroke rates and hazard ratios among men and women according to asthma history

	Males			Females
	No History of Asthma	Childhood Onset Asthma	Adult-Onset Asthma	No History of Asthma	Childhood Onset Asthma	Adult-Onset Asthma
Crude Rate*	3.50	2.27	1.22	2.39	3.51	5.57
(Cases / Person-Years)	(257 / 73489)	(6 / 2639)	(2 / 1634)	(238 / 99443)	(9 / 2565)	(19 / 3411)
Crude Hazard	1.0 (Ref)	0.65	0.35	1.0 (Ref)	1.47	2.36
Ratio (95% Confidence Interval)		(0.29, 1.45)	(0.09, 1.41)		(0.76, 2.87)	(1.48, 3.76)
Multivariate	1.0 (Ref)	-	-	1.0 (Ref)	1.25	2.08
Adjusted†					(0.64, 2.44)	(1.30, 3.32)
Hazard Ratio (95% Confidence Interval)

^*Per 1000 person years

^†Adjusted for age, body mass index, black race, diabetes mellitus, hypertension, education level, low and high density lipoprotein cholesterol levels, and physical activity