Table 1. Frequency of demographic and modifiable risk factor variables.

Risk factor	Exposure	Control		Case (Stroke)		Total	p -Value
		n	%	n	%	n
Abbreviations: BMI, body mass index; DBP, diastolic blood pressure; SBP, systolic blood pressure. Note: Test of Significance of Association by X (Odds Ratio) 2 ; (p-value in italics = statistically significant).
Age	<55 y	93	76.2%	29	23.8%	122	0.000
	≥55 y	51	30.7%	115	69.3%	166
Gender	Female	59	57.3	44	42.7	103	0.065
	Male	85	45.9	100	54.1	185
Smoking	No	98	51.9	91	48.1	189	0.385
	Yes	46	46.5	53	53.5	99
Alcohol	No	70	53.4	61	46.6	131	0.287
	Yes	74	47.1	83	52.9	157
Hypertension SBP ≥140 mm Hg	Normotensive	106	61.6	66	38.4	172	0.000
	Hypertensive	38	32.8	78	67.2	116
Hypertension DBP ≥90 mm Hg	Normotensive	83	61.5	52	38.5	135	0.000
	Hypertensive	61	39.9	92	60.1	153
Obese by BMI	Normal BMI	92	49.5	94	50.5	186	0.805
	Overweight and obese	52	51.0	50	49.0	102
Diabetes	Nondiabetic	126	51.2	120	48.8	246	0.316
	Diabetic	18	42.9	24	57.1	42
Total		144	50.0	144	50.0	288