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Table 1—

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

WomenMen
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 (n1,440 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 (n35,128 33,173 
Fasting glucose (mmol/l)* 5.3 ± 0.9 5.5 ± 1.1 
    Normal (<6.1) 89 85 
    IFG (6.1–6.9) 12 
    Diabetic range (>6.9) 
Cohort participants with OGTT (n33,293 31,304 
Postload glucose (mmol/l) 6.9 ± 1.6 6.3 ± 1.8 
    Normal (<8.9) 92 94 
    IGT ( 8.9–12.1) 
    Diabetic range (>12.1) 
WomenMen
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 (n1,440 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 (n35,128 33,173 
Fasting glucose (mmol/l)* 5.3 ± 0.9 5.5 ± 1.1 
    Normal (<6.1) 89 85 
    IFG (6.1–6.9) 12 
    Diabetic range (>6.9) 
Cohort participants with OGTT (n33,293 31,304 
Postload glucose (mmol/l) 6.9 ± 1.6 6.3 ± 1.8 
    Normal (<8.9) 92 94 
    IGT ( 8.9–12.1) 
    Diabetic range (>12.1) 

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).

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