Table 1 Characteristics of the respondents

Total

49 706

100.0

Gender

 Men

23 240

46.8

 Women

26 466

53.2

Age

 20–39

12 251

24.6

 40–59

20 305

40.9

 60–79

15 748

31.7

  > 80

1 402

2.8

Smoking status*

 Never

21 895

45.9

 Former

15 529

32.5

 Current

2 082

21.6

Alcohol intake*

 0 units/week

3 668

7.7

 1–7 units/week

23 321

66.3

 8–21 units/week

10 708

22.4

  ≥ 22 units/week

1 729

3.6

Body Mass Index*

 Underweight (<18.5)

756

1.6

 Normal (18.5–24.9)

23 168

48.7

 Overweight (25–29.9)

16 668

35.0

 Obese (≥30)

6 990

14.7