Table 3

Demographic characteristics of participants completing the baseline evaluation, by condition

Rheumatoid arthritis

Ankylosing spondylitis

Psoriatic arthritis

Psoriasis

Other a

Total


Participants, n (% of total)

191 (55.5%)

43 (12.5%)

44 (12.8%)

35 (10.2%)

31 (9.0%)

344 (100%)

Patient, n (%)

189 (99.0%)

43 (100.0%)

41 (93.2%)

33 (94.3%)

25 (80.6%)

331 (96.2%)

Carer, n (%)

2 (1.0%)

0 (0.0%)

2 (4.5%)

1 (2.9%)

1 (3.2%)

6 (1.7%)

Parent, n (%)

0 (0.0%)

0 (0.0%)

1 (2.3%)

1 (2.9%)

5 (16.1%)

7 (2.0%)

Sex

N [N missing]

189 [2]

43 [0]

41 [3]

33 [2]

17 [14]

323 [21]

Male, n (%)

55 (29.1%)

32 (74.4%)

13 (31.7%)

15 (45.5%)

7 (41.2%)

122 (37.8%)

Female, n (%)

134 (70.9%)

11 (25.6%)

28 (68.3%)

18 (54.5%)

10 (58.8%)

201 (62.2%)

Age

N [N missing]

189 [2]

43 [0]

41 [3]

33 [2]

17 [14]

323 [21]

Mean (SD)

56.0 (12.5)

49.2 (12.3)

50.5 (9.5)

49.8 (11.0)

42.1 (13.4)

53.1 (12.6)

Range

20.0-79.0

27.0-71.0

34.0-68.0

27.0-82.0

13.0- 68.0

13.0-82.0


a Includes patients with juvenile idiopathic arthritis (n = 9, 2.6%), patients responding other or not sure of condition (n = 10, 2.9%) and patients with condition missing (n = 12, 3.5%) to the question 'What condition do you have that is being treated with Enbrel?'

Wade et al. BMC Medical Research Methodology 2011 11:91   doi:10.1186/1471-2288-11-91

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