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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).