Vehicle Control as a Measure of Real‐World Driving Performance in Patients With Rheumatoid Arthritis
Authors' conclusion
Using novel naturalistic assessments, we linked RA and worsening RA disease severity with aberrant vehicle control.
Study context
- Population
- Patients with active rheumatoid arthritis (RA) and controls without disease, driving their own vehicles1,292 driving hours
- Participants
- 33 vs 23
- Exposure
- Active RA vs controls without disease
- RAn = 33
- Controlsn = 23reference
- Outcome
- Vehicle control: lateral (steering) and longitudinal (braking/accelerating) acceleration variability
Methodological detailsnaturalistic driving assessment, in-car sensor-based instrumentation, mixed-effect linear regression stratified by road type
- Naturalistic driving assessment
- In-car sensor-based instrumentation
- Mixed-effect linear regression stratified by road type
Main finding
As reported in the abstract
Vehicle control by road type
- Interaction between disease status and road type
- P < 0.001
- Residential roads: RA overall lower braking/accelerating variability than controls
- P ≤ 0.004
- Residential roads, low disease activity: RA lower steering variability
- P = 0.03
- Interstates/highways: RA with moderate/high CDAI increased steering variability
- P = 0.04
Observational data: associations, not effects.
Further findings
Within RA: increases in disease activity and physical disability over 12 weeks vs braking/accelerating variability on interstates/highways
- Significant increase in braking/accelerating variability (both)
- P < 0.05
Original publication
Vehicle Control as a Measure of Real‐World Driving Performance in Patients With Rheumatoid Arthritis. Arthritis Care Res (Hoboken). Published 23 September 2022. doi:10.
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