Table 1 Descriptive characteristics of the total sample, respondents and non-respondents in the survey (N = 100 000)

Sex

Male

48 910

48.9

23 240

46.8

23 407

51.4

<0.001

Female

51 090

51.1

26 466

53.2

22 140

48.6

Age

20–39

27 706

27.7

12 251

24.6

15 455

30.7

<0.001

40–59

37 106

37.1

20 305

40.9

16 801

33.4

60–79

28 868

28.9

15 748

31.7

13 120

26.1

80-

6 320

6.3

1 402

2.8

4 918

9.8

Marital status^a

Single

31 140

32.8

12 475

25.1

18 665

41.2

<0.001

Married/living together

63 807

67.2

37 140

74.9

26 667

58.8

Educational level^a

Low

24 770

27.2

9 540

19.7

15 230

35.6

<0.001

Medium

40 659

44.6

22 155

45.8

18 504

43.3

High

25 752

28.2

16 724

34.5

9 028

21.1

Income level^a

Low

22 440

23.6

8 072

16.3

14 368

31.7

<0.001

Medium

48 126

50.7

25 712

41.8

22 414

49.4

High

24 382

25.7

24 382

31.9

8 551

18.9

Employment status^a

Workning

59 961

63.1

33 961

68.4

26 000

57.3

<0.001

Pensioners

23 193

24.4

11 294

22.7

11 899

26.2

Out of workforce

11 911

12.5

4 410

8.9

7 501

16.5

Ethnic groups^a

Danish

86 248

90.8

46 543

93.8

39 705

87.6

<0.001

Immigrants

8 038

8.5

2 858

5.8

5 180

11.4

Descendants of Immigrants

661

0.7

214

0.4

447

1.0

GP contacts^a

Average contacts to GP in 2011

8.1

7.6

8.5

<0.001