Lupus & antiphospholipid syndrome

Physical activity in relation to the risk of systemic lupus erythematosus: a prospective study including 401 745 individuals

Rheumatology (Oxford)Published Prospective cohort study

Authors' conclusion

Participants with moderate or high PA levels had a lower risk of incident SLE than those with low PA levels, independent of sociodemographic and lifestyle factors and environmental triggers.

Study context

Population
UK Biobank participants (enrolled 2006–2010) with physical activity (PA) data and no SLE at baseline222 incident SLE
Participants
401,745 participants
Exposure
Moderate or high vs low physical activity level
Outcome
Occurrence of SLE
Methodological detailsUK Biobank
  • UK Biobank

Main finding

As reported in the abstract

Incident SLE · median follow-up 12.46 years

Risk reduction

40%

95% CI 0.43–0.85P = 0.004

Moderate PA

Risk reduction

31%

95% CI 0.49–0.97P = 0.033

High PA

Incidence across PA levels, log-rank test
P = 0.010

Observational data: associations, not effects.

Further findings

Incident SLE by age at onset (subgroups)

Results varied by age and sex
High PA more effective at preventing early-onset (<50 years old) SLE
Moderate PA showed more significant benefits at preventing late-onset (≥50 years old) SLE

Original publication

Physical activity in relation to the risk of systemic lupus erythematosus: a prospective study including 401 745 individuals. Rheumatology (Oxford). Published 8 May 2025. doi:10.1093/rheumatology/keaf150

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