Table 1 Basic characteristics of the study population

  ≤ 34

2774

7.3

712

7.4

0.800

 35–44

8900

23.3

2206

22.9

 45–54

12,887

33.7

3256

33.7

 55–64

13,649

35.7

3479

36.0

Never/ex-smokers

30,010

78.5

8210

85.1

<0.001

Current smoker

8200

21.5

1443

14.9

Never/ex-drinkers

10,703

28.0

1578

16.3

<0.001

Current drinkers (1–9 units/week)

15,420

40.4

3381

35.0

Current drinkers (≥10 units/week)

12,087

31.6

4694

48.6

 Normal

10203

26.7

1376

14.3

<0.001

 Underweight

332

0.9

42

0.4

 Overweight

13,224

34.6

3753

38.9

 Obese

6952

18.2

3598

37.3

 Missing

7499

19.6

884

9.2

 Ischemic heart disease

2893

7.6

1180

12.2

<0.001

 Diabetes

3084

8.1

1470

15.2

<0.001

 Hypertension

8210

21.5

4191

43.4

<0.001

 Chronic renal disease

1026

2.7

802

8.3

<0.001

 Depression

6242

16.3

1894

19.6

<0.001