Table 1.

Characteristics of participants who completed and did not complete questionnaires.

CharacteristicCompleters Median (min, max) or Frequency (%)Noncompleters Median (min, max) or Frequency (%)p
No. patients63 (57.3)47 (42.7)
Age, yrs53 (28, 82)52 (16, 75)0.22
Sex
  Female29 (46.0)20 (42.6)0.72
  Male34 (54.0)27 (57.4)
Education
  High school15 (23.8)7 (14.9)0.18
  College15 (23.8)16 (34.0)
  University32 (50.8)19 (40.4)
Employment
  Employed35 (55.6)32 (68.1)0.14
  Retired11 (17.5)6 (12.8)
  Homemaker2 (3.2)2 (4.3)
  Student1 (1.6)1 (2.1)
  Disabled9 (14.3)6 (12.8)
  Sick leave1 (1.6)
  Looking for work2 (3.2)
  Other1 (1.6)
Age at onset, yrs
  Psoriasis29 (5, 68)22 (5, 66)0.06
  PsA40 (10, 79)34 (13, 66)0.15
Disease duration, yrs
  Psoriasis20 (1, 48)29 (5, 60)0.27
  PsA10.6 (1, 41)13 (0, 43)0.45
No. active joints2 (0, 36)2 (0, 26)0.60
No. damaged joints2 (0, 42)2 (0, 50)0.46
Functional class*
  129 (46.0)19 (40.4)0.56
  225 (39.7)21 (44.7)
  39 (14.3)6 (12.8)
  • * ACR functional class: Grade 1: All activities without pain or handicap. Grade 2: Adequate for most ADL but some discomfort or limitation. Grade 3: ADL limited to self-care and/or a few daily activities. Grade 4: Little or no self-care or confined to a bed or wheel chair. PsA: psoriatic arthritis; ADL: activities of daily living.