Rheumatoid arthritis

Influence of Social Support, Financial Status, and Lifestyle on the Disparity Between Inflammation and Disability in Rheumatoid Arthritis

Arthritis Care Res (Hoboken)Published Prospective cohort study

Authors' conclusion

these factors might influence disability over the following decade.

Study context

Population
People with rheumatoid arthritis (RA) in the ESPOIR cohort (mean age ± SD 48.3 ± 12.2 years; 79.2% women)37.2% excess disability
Participants
538 people
Exposure
Contextual factors and excess disability group membership
  • Excess disabilityn = 200
Outcome
Excess disability group membership
Follow-up
10 years
Methodological detailsanalysis of the ESPOIR cohort, structural equation models, validation in 2 independent data sets (NOAR, ERAN)
  • Analysis of the ESPOIR cohort
  • Structural equation models
  • Validation in 2 independent data sets (NOAR, ERAN)

Main finding

As reported in the abstract

Association with excess disability group membership

Excess disability

37.2%

200

Less social support, β
0.17 (95% CI 0.08, 0.26)
Worse financial situation, β
0.24 (95% CI 0.14, 0.34)
Less exercise, β
0.17 (95% CI 0.09-0.25)
Less education, β
0.15 (95% CI 0.06, 0.23)

Observational data: associations, not effects.

Further findings

Mediation by patient-reported outcomes

Fatigue and depression mediated a small proportion of these effects

Validation in NOAR and ERAN

Similar results in NOAR and ERAN

Original publication

Influence of Social Support, Financial Status, and Lifestyle on the Disparity Between Inflammation and Disability in Rheumatoid Arthritis. Arthritis Care Res (Hoboken). Published 28 December 2022. doi:10.1002/acr.24996

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