Improvements in work productivity among patients with inflammatory arthritis and osteoarthritis in the first six months after diagnosis: an inception cohort study
Authors' conclusion
Greater improvements in WP were observed among patients with IA than those with OA in the first six months after diagnosis.
Study context
- Population
- Patients with newly diagnosed inflammatory arthritis or osteoarthritis (OA), surveyed at diagnosis and 6 months later
- Participants
- 109 vs 70
- Exposure
- Inflammatory arthritis vs OA, from diagnosis to 6 months later
- Inflammatory arthritis (IA)n = 109
- OAn = 70reference
- Outcome
- Change in work productivity (work productivity loss and work disability) from diagnosis (T1) to six months later (T2)
- Follow-up
- 6 months
Main finding
As reported in the abstract
Work productivity loss score, median, T1 to T2
- IA: median work productivity loss (WPL) score decreased from 30.0 to 10.0
- OA: median WPL score decreased from 20.0 to 0.0
- IA: proportion reporting work disability decreased from 52.3% to 45.3%
- OA: proportion reporting work disability increased from 52.2% to 56.5%
Observational data: associations, not effects.
Further findings
Mean age
Associations of health status at T1 with work productivity (WP) at T2 (regression)
- Physical functioning at T1 with WPL at T2, coefficient (significant)
- −0.35
- Vitality at T1 with work disability at T2, coefficient
- 0.03
Original publication
Improvements in work productivity among patients with inflammatory arthritis and osteoarthritis in the first six months after diagnosis: an inception cohort study. Clin Exp Rheumatol. Published 6 April 2022. doi:10.
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