Table 1—

Baseline characteristics of participants in the Västerbotten Intervention Project, northern Sweden

WomenMen
n35,36233,424
Age at entry (years) (distribution %)46.1 ± 9.746.0 ± 9.8
    29–351314
    36–453232
    46–553131
    56–612423
Years of follow-up8.3 ± 3.58.2 ± 3.6
Cancer cases (n)1,4401,251
Person-years at risk292,652273,715
BMI (kg/m2)*25.3 ± 4.226.0 ± 3.5
    Normal (18.5–25)5643
    Overweight (25–30)3146
    Obese (>30)1311
Smoking status
    Current2118
    Former1925
    Never6057
Fasting glucose (n)35,12833,173
Fasting glucose (mmol/l)*5.3 ± 0.95.5 ± 1.1
    Normal (<6.1)8985
    IFG (6.1–6.9)912
    Diabetic range (>6.9)23
Cohort participants with OGTT (n)33,29331,304
Postload glucose (mmol/l)6.9 ± 1.66.3 ± 1.8
    Normal (<8.9)9294
    IGT ( 8.9–12.1)75
    Diabetic range (>12.1)11
  • Data are means ± SD, percent, or n, unless otherwise indicated.

  • *

    * Fasting glucose levels in venous plasma.

  • Postload glucose levels in capillary plasma 2 h after an oral glucose tolerance test (OGTT) of 75 g glucose according to the World Health Organization (21).