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Table 2 Association of clinical factors with at-work productivity loss for workers with RA

From: Productivity at work and quality of life in patients with rheumatoid arthritis

Baseline characteristics N = 150   At-work productivity loss
Univariate N = 150
  Mean (sd) B 95% CI p-value
Clinical factors     
DAS score 28 joints 2.70 (1.23) 0.57 0.20; 0.94 <0.01
- Swollen joints 1.01 (2.01) 0.19c -0.04; 0.41 0.10
- Tender joints 2.11 (3.10) 0.14c -0.01; 0.28 0.06
- ESR 12.8 (13.0) 0.03c -0.004; 0.06 0.09
- VAS general health (0-100b) 34.5 (22.5) 0.03c 0.01; 0.05 0.01
Number of DMARDS used since diagnosis 2.13 (1.05) 0.29 -0.15; 0.72 0.19
Number of DMARDS used during last year 1.10 (0.70) 0.19 -0.49; 0.87 0.58
Biological therapeutic used since diagnosis; yes 47.3a 0.86 -0.05; 1.77 0.06
Biological therapeutic used during last year; yes 34.5a 0.34 -0.62; 1.31 0.48
RF positive 61.7a 0.08 -0.86; 1.02 0.87
aCCP positive 65.1a 0.13 -0.81; 1.07 0.79
DAS: Disease Activity Score; ESR: Erythrocyte Sedimentation Rate; VAS: Visual Analogue Scale; DMARD: Disease-modifying Antirheumatic Drug; RF: Rheumatoid Factor; aCCP: Anti-cyclic Citrullinated Peptide Antibodies.
  1. a.Expressed as n(%).
  2. b.Range of the scale on which the score was based.
  3. c.Item was not retained based on the second analyses step (multivariate model for the DAS components).