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Improvement in work place and household productivity for patients with early rheumatoid arthritis treated with adalimumab plus methotrexate: work outcomes and their correlations with clinical and radiographic measures from a randomized controlled trial companion study.

Author(s): van Vollenhoven RF, Cifaldi MA, Ray S, Chen N, Weisman MH

Affiliation(s): Karolinska University Hospital and Karolinska Institute, Stockholm, Sweden.

Publication date & source: 2010-02, Arthritis Care Res (Hoboken)., 62(2):226-34.

Publication type: Comparative Study; Multicenter Study; Randomized Controlled Trial; Research Support, Non-U.S. Gov't

OBJECTIVE: To evaluate household and work place outcomes for patients with rheumatoid arthritis (RA) who were homemakers or employed workers, respectively, and who were treated with adalimumab plus methotrexate versus methotrexate monotherapy. We also determined baseline predictors of household and work place outcomes. METHODS: Data were from a health economic companion study to PREMIER, a 2-year, randomized controlled trial of methotrexate-naive patients with early RA (<3 years) who received treatment with adalimumab plus methotrexate, adalimumab, or methotrexate. Absenteeism (number of days missed or unfit to work), presenteeism (self-judgment of the effects of RA on job or household performance), and employment status were collected from self-reports at baseline and varying time points during the study. RESULTS: Household and work place outcomes were generally similar for homemakers and employed workers. Over 2 years, patients who received combination therapy missed approximately half as many days as patients who received methotrexate (17.4 versus 36.9 days for employed workers; 7.9 versus 18.6 days for homemakers). Presenteeism was lower (reflecting better productivity) for combination therapy than methotrexate monotherapy. The likelihood of gaining/retaining employment over 2 years was greater for combination therapy than methotrexate monotherapy (odds ratio 1.530, 95% confidence interval 1.038-2.255; P = 0.0318). Baseline radiographic progression was an independent predictor for retaining/gaining employment at 2 years. CONCLUSION: Compared with methotrexate monotherapy, combination therapy was associated with more positive work outcomes: less absenteeism, less presenteeism, and greater likelihood of gaining/retaining employment. Radiographic progression at baseline was predictive of the ability to retain or gain employment.

Page last updated: 2010-10-05

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