Table 1

Baseline characteristics

Patients employed or on the job market (n=528)Patients considering or receiving a disability pension (n=69)
Age (years), mean (SD)47 (9.5)52.3 (6.2)
Female (%)6859
Symptom duration (weeks), mean (SD)12.8 (7.6)12.4 (6.6)
RF and/or ACPA positive (%)5761
ACR/EULAR criteria positive (%)5871
DMARDs (%)8895
Sick leave during the last 6 months (days), mean (SD)14 (25)38 (51)
BMI, mean (SD)26.6 (4.8)27.6 (5.1)
DAS28 ESR, mean (SD)4.4 (1.4)5.1 (1.3)
ESR (mm/h), mean (SD)25 (19.8)38.5 (25.3)
CRP (mg/L), mean (SD)13.6 (27.8)27.8 (46.2)
Number of comorbidities, mean (SD)0.6 (0.9)0.9 (1.3)
Pain (NRS 0–10), mean (SD)5.3 (2.6)6.2 (2.5)
Fatigue (PROFAD, 0–50), mean (SD)14.9 (12.3)24 (13)
Morning stiffness (NRS 0–10), mean (SD)5.1 (3.2)6.2 (3)
SJC28, mean (SD)5.4 (5.1)6.6 (6.8)
TJC28, mean (SD)8.9 (6.1)10.3 (6.8)
Functional capacity (FFbH, 0–100), mean (SD)81.8 (17.4)69 (19.1)
Unemployed patients (%)618
Patients on sick leave (%)1731
Physical job demands (%)
Education level (%)
Depression (PHQ-9) (%)
  • The 69 patients who have considered a disability pension, applied for one or newly received one are a subgroup of the 528 patients who are employed or on the job market.

  • ACPA, anticitrullinated protein antibody; BMI, body mass index; CRP, C reactive protein; DAS28, disease activity score; DMARDs, disease-modifying antirheumatic drugs; ESR, erythrocyte sedimentation rate; FFbH, Hannover Functional Status Questionnaire; NRS, numerical rating scales; PHQ-9, Patient Health Questionnaire Depression Score; PROFAD, Profile of Fatigue and Discomfort; RF, rheumatoid factor.