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Table 1 Sample characteristics

From: Combining education and income into a socioeconomic position score for use in studies of health inequalities

Variables

Female

Male

Total

Mean/%

N

Mean/%

N

Mean/%

N

Age, mean (SD)

56.2

(10.36)

10,661

56.5

(10.44)

9,661

56.3

(10.40)

20,322

Education level

 Primary education < 10 yrs

22.6

2,375

21.4

2,033

22.0

4,408

 Upper secondary/vocational

25.5

2,681

30.6

2,915

27.9

5,596

 Undergraduate degree

18.0

1,890

21.4

2,040

19.6

3,930

 Postgraduate degree

33.9

3,561

26.6

2,532

30.4

6,093

Income

 Low

25.2

2,546

16.3

1,542

20.9

4,088

 Lower middle

30.0

3,033

28.6

2,700

29.3

5,733

 Upper middle

22.4

2,265

26.0

2,462

24.2

4,727

 High

22.3

2,257

29.1

2,753

25.6

5,010

Subjective SEP

 Very low/low

7.6

784

6.2

587

6.9

1,371

 Middle

54.5

5,638

47.1

4,449

51.0

10,087

 Fairly high

31.9

3,295

38.7

3,657

35.1

6,952

 Very high

6.1

627

8.1

761

7.0

1,388

HRQoL: EQ-5D-5L

 Full health (11111), %

24.9

2,560

32.6

3,034

28.6

5,594

 Mean

0.88

10,275

0.90

9,322

0.89

19,597

 (SD)

(0.11)

 

(0.10)

 

(0.11)

 

HRQoL: VAS score

0.76

10,472

0.77

9,500

0.76

19,972

 (SD)

(0.17)

 

(0.15)

 

(0.16)

 
  1. The undergraduate and postgraduate education levels correspond to university education up to four years and university education of four years or more, respectively; mean value for EQ-5D-5L measured by WePP: Western Preference Pattern. SD: standard deviation; HRQoL: health-related quality of life; VAS: visual analogue scale, converted into a [0–1] interval