Table 1.

Population and baseline characteristics. Values are mean ± SD or n (%).

CharacteristicsValues, n = 150
Population characteristics
  Age, yrs49.68 ± 8.58
  Education
    Low32 (21)
    Middle48 (32)
    High70 (47)
  Sex, female126 (84)
  Comorbidity97 (65)
  Work limitations
    None20 (13)
    Light114 (76)
    Heavy16 (11)
  Contract, hrs/wk28.7 ± 10.0
  Presenteeism, hrs lost/2 wks3.99 ± 2.70
Disease characteristics
  DAS28
    Range, 2–102.70 ± 1.23
    Remission, ≤ 2.671 (47)
    Low activity, 2.61–3.228 (19)
    High activity, ≥ 3.251 (34)
  RA-related disability, HAQ, range 0–30.78 ± 0.55
  Pain, range 0–103.72 ± 2.50
  Fatigue, range 0–104.59 ± 2.53
General health characteristics
  Physical functioning, range 0–10067.11 ± 21.50
  Role functioning, physical, range 0–10048.00 ± 40.29
  Mental health, range 0–10077.23 ± 14.54
  Change in health, range 0–10051.67 ± 26.65
  Work instability, range 0–238.87 ± 4.80
Work characteristics
  Job type, physical106 (71)
  Physical job demands, range 1–41.98 ± 0.61
  Psychological job demands, range 1–42.65 ± 0.31
  Co-worker support, range 1–43.08 ± 0.46
  Supervisor support, range 1–42.99 ± 0.62
  • DAS28: 28-joint Disease Activity Score; RA: rheumatoid arthritis; HAQ: Health Assessment Questionnaire.