Fig. 1From: The association between smoking and blood pressure in men: a cross-sectional studyComparison of the unadjusted and adjusted mean SBP, DBP, MAP, and PP by quartiles of pack·years of current smokers. The subjects who were taking anti-hypertensive therapy were excluded. Age, BMI, alcohol drinking and ethnicity were adjusted. Data are presented as means with 95% confidence intervals (error bars)Back to article page