Table 3.

Association between Marijuana Use and Ischemic Stroke by Time of Last Use.

	Stroke Cases (n=751) n (%)	Controls (n=813) n (%)	Adjusted OR* (95% CI)	P-Value*
Never Users of Marijuana	480 (63.9)	501 (61.6)	Reference Group
Ever Users of Marijuana	271 (36.1)	312 (38.4)	0.86 (0.68–1.08)	0.19
Timing of Last Use
Years-ago	216 (28.8)	266 (32.7)	0.82 (0.64, 1.04)	0.11
Months-ago	27 (3.6)	18 (2.2)	1.46 (0.73, 2.92)	0.29
1–30 days	21 (2.8)	22 (2.7)	0.87 (0.44, 1.73)	0.70
Within 24 Hours	7 (0.9)	6 (0.7)	0.98 (0.29, 3.27)	0.97

^*Adjusted for age, sex, race, study phase, amount of tobacco use, hypertension status, diabetes mellitus status, and current alcohol use. All analyses were performed using individuals who had never used marijuana as reference group.