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Table 1 Summary Characteristics for the Analytic Sample and Race Sub-Samples at Baseline

From: Association of genetic and behavioral characteristics with the onset of diabetes

Characteristic Mean or %
  Analytic sample (n = 15,190) Non-Hispanic whites (n = 12,090) Non-Hispanic blacks (n = 3100)
Age, mean 56.53 56.90 55.09
Male, % 42.04 42.98 38.39
BMI, mean 27.82 27.25 30.04
Regular exerciser, % 32.12 33.76 25.75
Smoking status, %
 Current smoker 21.59 19.61 29.32
 Former smoker 36.08 37.54 30.41
 Never smoker 42.21 42.75 40.11
Heavy drinker, % 9.33 8.97 10.71
  1. Note. Statistically significant differences between non-Hispanic white and non-Hispanic black respondents were observed for all characteristics at the p = 0.05 level