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Table 2 Demographic characteristics

From: Identifying the primary outcome for a randomised controlled trial in rheumatoid arthritis: the role of a discrete choice experiment

Total sample

N = 100

Gender (%females)

51

Mean (SD) age in years

57 (12.3)

Age groups (%)

 18–24

0

 25–34

3

 35–44

14

 45–54

20

 55–64

34

 65+

29

Social grade (%)

 A - Higher managerial, administrative and professional

7

 B - Intermediate managerial, administrative and professional

18

 C1 - Supervisory, clerical and junior managerial, administrative and professional

11

 C2 - Skilled manual workers

15

 D - Semi-skilled and unskilled manual workers

8

 E - State pensioners, casual and lowest grade workers, unemployed with state benefits only

41