Table 1—

Baseline characteristics of 11,262 middle-aged adults according to diabetes status

DiabetesNo diabetesP value
n1,10010,162
Male sex (%)48440.01
African American (%)3721<0.001
Age (years)55 ± 5.654 ± 5.6<0.001
Education <12 years (%)3219<0.001
Smoking status (%)0.03
    Current1923
    Former3333
    Never4844
Pack-years in ever smokers28 ± 2125 ± 200.0004
Sport index2.3 ± 0.742.5 ± 0.80<0.001
BMI (kg/m2)30.9 ± 5.727.2 ± 4.8<0.001
Waist circumference (cm)105.7 ± 13.695.4 ± 12.9<0.001
White blood count (×109/l)6.5 ± 1.06.0 ± 1.9<0.001
Fibrinogen(g/l)3.2 ± 0.73.0 ± 0.6<0.001
Hypertension (%)6537<0.001
FVC (l)
    Men4.2 ± 0.84.6 ± 0.7<0.001
    Women3.0 ± 0.53.3 ± 0.6<0.001
FEV1 (l)
    Men3.2 ± 0.63.4 ± 0.7<0.001
    Women2.3 ± 0.52.5 ± 0.5<0.001
FEV1-to-FVC ratio (%)76.7 ± 6.375.1 ± 6.6<0.001
FVC % predicted96.5 ± 13.2103.1 ± 13.6<0.001
FEV1 % predicted92.5 ± 14.196.4 ± 14.6<0.001
  • Data are means ± SD unless indicated otherwise.