Table 5.

Difference in risk factors between the groups with a score <5 and a score ≥5

Items	No personal history and a score <5 (n = 6245)	No personal history and a score ≥5 (n = 1056)	Personal history and a score <5 (n = 102)	Personal history and a score ≥5 (n = 1664)
Smoking in %	14.7	81.0	0.0	26.5
Family history in %	13.9	36.2	8.8	35.3
Mean age in years	49.1	57.3	45.5	62.2
Mean BMI in units	22.9	24.8	23.1	24.8

Note: All differences are significant at p < 0.001. Smoking rate and family history: significance by comparison of two proportions. Mean age and BMI: significance by comparison of two means