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Evidence Builds for Effects of Obesity, Low Physical Activity on Development of Psoriatic Arthritis

Key clinical point: High BMI, high waist circumference, and lower levels of physical activity all increase the risk of developing psoriatic arthritis.

Major finding: Obese individuals had an adjusted HR of 2.46 (95% CI, 1.65-3.68), compared with participants at normal weight.

Study details: A longitudinal, population-based study of data from 36,626 women and men without diagnosed PsA at baseline.

Disclosures: The study was partially funded by a grant the first author received from the Norwegian Extra Foundation for Health and Rehabilitation. The authors reported no conflicts of interest.


Thomsen RS et al. Arthritis Care Res. 2019 Dec 7. doi: 10.1002/acr.24121.