Gout & crystal arthritis

Ultraprocessed food consumption, genetic predisposition, and the risk of gout: the UK Biobank study

Rheumatology (Oxford)Published Prospective cohort study

Main finding · Gout riskResult — go to the resultHazard ratio 1.16 95% CI 1.01–1.33

Authors' conclusion

In summary, UPF consumption was found to be associated with a higher risk of gout, particularly in those participants with genetic predisposition to gout.

Study context

Population
Individuals from the UK Biobank free of gout at baseline
Participants
181,559 individuals1,648,167 person-years
Exposure
Highest vs lowest quartile of ultraprocessed food (UPF) consumption (NOVA classification); joint effect with genetic predisposition (genetic risk score of 33 SNPs)
Outcome
Incident gout
Methodological detailsUK Biobank, Cox proportional hazards, multivariable adjustment
  • UK Biobank
  • Cox proportional hazards
  • Multivariable adjustment

Main finding

Gout risk

Hazard ratio

1.16

95% CI 1.01–1.33

Highest UPFvs Lowest UPF
HR 1.16 (95% CI 1.01–1.33)

As reported in the abstract

Incident gout cases
1558

Observational data: associations, not effects.

Further findings

OutcomeHR (95% CI)
Gout, joint effect: high genetic predisposition and high UPFvs low genetic predisposition and low UPFJoint-effect analysis1.90 (1.39–2.60)

Substitution of 20% of UPF weight with unprocessed or minimally processed food

13% lower risk of gout, HR
0.87 (95% CI 0.79, 0.95)
  • Substitution analysis

Original publication

Ultraprocessed food consumption, genetic predisposition, and the risk of gout: the UK Biobank study. Rheumatology (Oxford). Published 2 May 2023. doi:10.1093/rheumatology/kead196

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