Table 5 Results of multiple logistic regression analysis with backward elimination of potential factors after adjustment for established risk factors

Age (per year)

1.07

1.05 - 1.10

< 0.001

Female gender (yes)

3.74

2.15 - 6.51

< 0.001

Positive family history (yes)

1.82

1.21 - 2.76

0.005

BMI (per kg/m²)

1.04

0.95 - 1.14

0.37

Vitamin C supplementation (yes)

0.34

0.14 - 0.81

0.01

Physical activity (> 2 hours/week)

0.62

0.42 - 0.94

0.02

Cholesterol (per mmol/l)

0.65

0.52 - 0.79

< 0.001