Table 3.

Contributions of each covariate in sex difference in incident stroke among hypertensive populations (single variable analysis)

Cox proportional hazard models	HR of sex (95% CI)	Percentage of sex difference accounted
All stroke
Base model: sex (women/men)	0.55 (0.46–0.66)
Base model+Age	0.58 (0.49–0.70)	6.67%
Base model+SBP	0.50 (0.42–0.59)	−11.11%
Base model+BMI	0.57 (0.47–0.68)	4.44%
Base model+Baseline LDL-C	0.54 (0.45–0.64)	−2.22%
Base model+Smoking	0.58 (0.48–0.71)	6.67%
Base model+Drinking	0.50 (0.41–0.62)	− 11.11%
Base model+Antihypertensive drugs	0.51 (0.43–0.61)	−8.89%
Base model+Education degree	0.50 (0.42–0.60)	−11.11%
Base model+Physical activity	0.54 (0.45–0.64)	−2.22%
Ischemic stroke
Base model: sex (women/men)	0.48 (0.38–0.61)
Base model+Age	0.51 (0.41–0.64)	5.77%
Base model+SBP	0.44 (0.35–0.55)	−7.69%
Base model+BMI	0.49 (0.39–0.61)	1.92%
Base model+Baseline LDL-C	0.46 (0.37–0.58)	−3.85%
Base model+Smoking	0.56 (0.43–0.72)	15.38%
Base model+Drinking	0.45 (0.34–0.58)	−5.77%
Base model+Antihypertensive drugs	0.44 (0.35–0.56)	−7.69%
Base model+Education degree	0.44 (0.35–0.56)	−7.69%
Base model+Physical activity	0.47 (0.37–0.59)	−1.92%
Hemorrhagic stroke
Base model: sex (women/men)	0.64 (0.48–0.86)
Base model+Age	0.67 (0.50–0.89)	8.33%
Base model+SBP	0.56 (0.42–0.75)	−22.22%
Base model+BMI	0.67 (0.50–0.89)	8.33%
Base model+Baseline LDL-C	0.64 (0.48–0.86)	0.00%
Base model+Smoking	0.57 (0.41–0.78)	−19.44%
Base model+Drinking	0.56 (0.40–0.79)	−22.22%
Base model+Antihypertensive drugs	0.58 (0.43–0.78)	−16.67%
Base model+Education degree	0.56 (0.42–0.75)	−22.22%
Base model+Physical activity	0.62 (0.47–0.83)	−5.56%

LDL-C: Low-density lipoprotein cholesterol. BMI: Body mass index. SBP: Systolic blood pressure. HR: Hazards ratios. CI: Confidence intervals

Education degree: Illiteracy and primary school, Junior high school and High school and above

Physical activity: Low, Moderate and High