Table 1 Sample characteristics at baseline: controls, patients with active and inactive psoriasis
Patients (active psoriasis)N = 182 | Patients (inactive psoriasis)N = 122 | Controls N = 56 | P** | |
|---|---|---|---|---|
Socio-demographic variables | ||||
Age, mean (SD), years | 43.6 (14.7) | 47.8 (14.0) | 38.8 (14.0) | <0.01 |
Male, n (%) | 101 (55.5) | 70 (57.4) | 29 (51.8) | 0.54 |
Highest educational level, n (%) | <0.01 | |||
No formal education | 5 (2.8) | 4 (3.3) | 4 (7.1) | |
Primary | 66 (36.9) | 46 (38.0) | 11 (19.6) | |
Secondary | 62 (34.6) | 45 (37.2) | 15 (26.8) | |
Post-secondary | 46 (25.7) | 26 (21.5) | 26 (46.4) | |
Employment status, n (%) | <0.05 | |||
Unemployed | 19 (10.4) | 12 (9.8) | 6 (10.7) | |
Working – self-employed | 26 (14.3) | 11 (9.0) | 10 (17.9) | |
Working – employed | 87 (47.8) | 59 (48.4) | 28 (50.0) | |
Work disability | 1 (0.5) | 4 (3.3) | 1 (1.8) | |
Pensioner/retired | 19 (10.4) | 25 (20.5) | 3 (5.4) | |
Looking after home | 22 (12.1) | 9 (7.4) | 7 (12.5) | |
Student | 9 (4.9) | 5 (4.1) | 7 (12.5) | |
Clinical variables | ||||
Years since diagnosis, mean (SD) | 18.6 (12.4) | 17.8 (11.9) | NS | |
PASI, n (%) | <0.01 | |||
Mild (<10) | 31 (17.0%) | 98 (80.3%) | ||
Moderate/severe ≥ 10 | 151 (83.0%) | 24 (19.7%) | ||
Treatment* | ||||
Any | 177 (97.3%) | 104 (85.2%) | <0.01 | |
Topical | 90 (49.5%) | 44 (36.1%) | <0.05 | |
PUVA/Phototherapy | 25 (13.7%) | 10 (8.2%) | NS | |
Systemic | 101(55.5%) | 54 (44.3%) | NS | |
Biological | 57 (31.3%) | 59 (48.4%) | <0.01 | |
Other | 32 (17.6%) | 9 (7.4%) | 0.01 | |