Table 1—— Baseline characteristics of participants in the Västerbotten Intervention Project, northern Sweden

Women Men n 35,362 33,424 Age at entry (years) (distribution %) 46.1 ± 9.7 46.0 ± 9.8     29–35 13 14     36–45 32 32     46–55 31 31     56–61 24 23 Years of follow-up 8.3 ± 3.5 8.2 ± 3.6 Cancer cases (n) 1,440 1,251 Person-years at risk 292,652 273,715 BMI (kg/m2)* 25.3 ± 4.2 26.0 ± 3.5     Normal (18.5–25) 56 43     Overweight (25–30) 31 46     Obese (>30) 13 11 Smoking status     Current 21 18     Former 19 25     Never 60 57 Fasting glucose (n) 35,128 33,173 Fasting glucose (mmol/l)* 5.3 ± 0.9 5.5 ± 1.1     Normal (<6.1) 89 85     IFG (6.1–6.9) 9 12     Diabetic range (>6.9) 2 3 Cohort participants with OGTT (n) 33,293 31,304 Postload glucose (mmol/l) 6.9 ± 1.6 6.3 ± 1.8     Normal (<8.9) 92 94     IGT ( 8.9–12.1) 7 5     Diabetic range (>12.1) 1 1

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).