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. Author manuscript; available in PMC: 2018 Dec 1.
Published in final edited form as: Heart Rhythm. 2017 Oct 27;14(12):1856–1861. doi: 10.1016/j.hrthm.2017.09.034

TABLE 1.

Characteristics of Participants by Race (N = 938)

Characteristic White (N = 620) Black (N = 318) P-Value*
Age, median (IQR), years 73 (71 – 77) 71 (68 – 75) <0.001

Female sex, n (%) 345 (56%) 198 (62%) 0.052

BMI, mean ± SD, kg/m2 26.9 ± 4.2 28.6 ± 5.1 0.003

Alcohol consumption ≥ 1 drink/week, n (%) 176 (28%) 75 (24%) 0.12

Smoking status, n (%)
 Never 273 (44%) 149 (47%) <0.001
 Former 302 (49%) 124 (39%)
 Current 45 (7%) 45 (14%)

CHD, n (%) 121 (20%) 54 (17%) 0.35

CHF, n (%) 21 (3%) 17 (5%) 0.15

Diabetes, n (%) 93 (15%) 67 (21%) 0.019

HTN, n (%) 255 (41%) 196 (62%) <0.001
*

T-tests were used for normally distributed continuous variables (BMI); Wilcoxon Rank-Sum tests were used for non-normally distributed continuous variables (age); Chi-sqaure tests were used for categorical variables (all others).

Abbreviations: BMI = body mass index; CHD = coronary heart disease; CHF = congestive heart failure; HTN = hypertension; IQR = interquartile range; SD = standard deviation.