Table 1—

Baseline characteristics of users and nonusers of vitamin E supplements, according to follow-up diabetes status: IRAS

Supplement nonusers
Supplement users
NGT/IGTDiabetesNGT/IGTIncident diabetes
n4908725959
Age (years)53.8 ± 8.655.0 ± 7.855.3 ± 8.457.8 ± 7.6*
BMI (kg/m2)28.1 ± 5.330.6 ± 6.227.5 ± 5.331.9 ± 6.5
Family history of diabetes (%)39.455.238.247.5
Perceived health (%)
 Excellent health33.723.035.125.4
 Good51.656.351.050.9
 Fair13.717.213.523.7
 Poor1.03.5*0.40.0
Vitamin E, diet (mg α-TE)10.5 ± 5.59.5 ± 4.89.9 ± 5.210.6 ± 5.5
Vitamin E, supplements (mg α-TE)223.5 ± 332.1168.5 ± 223.6
Plasma α-tocopherol (μmol/l)28.0 ± 8.825.7 ± 7.5*38.9 ± 15.641.7 ± 17.8
Lipid-adjusted plasma α-tocopherol (μmol/l)§28.1 ± 8.825.1 ± 7.539.3 ± 15.639.9 ± 17.8
  • Data are means ± SD,

  • *

    * P < 0.05,

  • P < 0.01;

  • n = 483 (supplement nonusers) and n = 272 (supplement users);

  • §

    § n = 483 (supplement nonusers) and n = 272 (supplement users), adjusted for total cholesterol and triglyceride concentration by linear regression. NGT, normal glucose tolerance.