Table 1 Demographic and clinical characteristics of participants with psoriatic arthritis
Variables | Round 1 | Round 2 | Round 3 | ||
|---|---|---|---|---|---|
Cognitive interviews (n = 6) Paper-based | Cognitive interviews (n = 6) Paper-based | Cognitive interviews (n = 6) Web-based | Pilot testing (n = 3) Paper-based | Pilot testing (n = 3) Web-based | |
Ages, years | 45 (15) | 48 (12) | 56 (14) | 48 (9) | 58 (12) |
Women, n (%) | 5 (83) | 2 (33) | 2 (33) | 2 (67) | 2 (67) |
Ethnicity, n (%) | |||||
 Australian European | 6 (100) | 5 (83) | 3 (5) | 1 (34) | 1 (34) |
 New Zealand European |  |  | 1 (17) |  |  |
 Indian |  | 1 (17) | 1 (17) |  |  |
 South American |  |  | 1 (16) | 1 (33) |  |
 British |  |  |  | 1 (33) | 1 (33) |
 Bosnian |  |  |  |  | 1 (33) |
Body Mass Index, Kg/m2 | 34 (12) | 29 (6) | 30 (8) | 35 (11) | 26 (2) |
 Employment status, n (%) | |||||
 Employed full-time | 3 (50) | 3 (50) | 3 (50) | 1 (34) | 1 (34) |
 Employed part-time | 1 (17) |  |  |  | 1 (33) |
 Self-employed | 1 (17) |  | 1 (17) |  |  |
 Unemployed (health reason) |  | 1 (17) | 1 (17) | 1 (33) |  |
 Unemployed (home-maker) |  | 1 (17) |  |  |  |
 Retired | 1 (16) | 1 (16) | 1 (16) | 1 (33) | 1 (33) |
Education level, n (%) | |||||
 No school certificate | 1 (17) | 1 (17) |  | 1 (34) | 1 (33) |
 School certificate | 1 (17) |  |  | 1 (33) |  |
 Higher school certificate |  | 2 (33) | 1 (17) |  |  |
 Trade/apprenticeship |  | 1 (17) | 3 (50) |  |  |
 Diploma | 2 (33) |  |  |  |  |
 University degree or higher | 2 (33) | 2 (33) | 2 (33) | 1 (33) | 2 (67) |
Disease duration, years | 15 (12) | 15 (9) | 5 (4) | 14 (10) | 3 (2) |
Patient global assessment Joint & skin (VAS 0–100), mm | 74 (15) | 37 (37) | 40 (24) | 40 (38) | 50 (26) |
Skin (VAS 0–100), mm | 36 (37) | 28 (29) | 25 (19) | 7 (6) | 37 (40) |
Joint (VAS 0–100), mm | 66 (25) | 37 (35) | 47 (16) | 40 (36) | 50 (26) |
Global pain (VAS 0–100), mm | 69 (21) | 37 (36) | 53 (21) | 40 (26) | 47 (38) |
Foot pain (VAS 0–100), mm | 73 (22) | 37 (37) | 38 (43) | 33 (6) | 60 (26) |
Length of interview, minutes | 63 (21) | 60 (23) | 6 (3) | *2 | *2 |
Time to complete survey | *1 | *1 | 29 (6) | 26 (6) | 22 (4) |