| Title: | Association of central adiposity with psoriasis, psoriatic arthritis and rheumatoid arthritis: a cross-sectional study of the UK Biobank |
| Journal: | Rheumatology |
| Published: | 25 May 2019 |
| Pubmed: | https://pubmed.ncbi.nlm.nih.gov/31131407/ |
| DOI: | https://doi.org/10.1093/rheumatology/kez192 |
| URL: | https://academic.oup.com/rheumatology/article-pdf/58/12/2137/31145271/kez192.pdf |
| Citations: | 16 (5 in last 2 years) as of 8 Aug 2024 |
Publication 4180
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Abstract
OBJECTIVES: To determine the independent association of central adiposity, assessed by waist circumference, with odds of psoriasis, PsA and RA prevalence after controlling for general adiposity (BMI). METHODS: A cross-sectional study of UK Biobank participants aged 40-70 years was performed. Logistic regression was used to calculate the odds of psoriasis, PsA and RA occurrence compared with controls without these conditions by waist circumference, adjusting for covariates: age, sex, smoking status, socioeconomic deprivation and self-reported physical activity (Model 1), followed additionally by BMI (Model 2). RESULTS: A total of 502 417 participants were included; 5074 with psoriasis (1.02%), 905 with PsA (0.18%), 5532 with RA (1.11%) and 490 906 controls without these conditions. Adjusted odds ratios (ORs) (Model 1) for psoriasis, PsA and RA, per s.d. (13.5 cm) higher waist circumference were 1.20 (95% CI 1.16, 1.23), 1.30 (95% CI 1.21, 1.39) and 1.21 (95% CI 1.17, 1.24), respectively (all P < 0.001). These ORs remained significant after further adjustment for BMI (Model 2) in psoriasis [OR 1.19 (95% CI 1.12, 1.27), P < 0.001] and RA [OR 1.19 (95% CI 1.12, 1.26), P < 0.001], but not in PsA [OR 1.11 (95% CI 0.95, 1.29), P = 0.127]. CONCLUSION: Central adiposity as measured by waist circumference is associated with greater odds of psoriasis and RA prevalence after adjustment for confounders and for BMI. Our findings add support for central adiposity as a long-term clinically relevant component of these conditions.9 Authors
- Lyn D Ferguson
- Rosemary Brown
- Carlos Celis-Morales
- Paul Welsh
- Donald M Lyall
- Jill P Pell
- Iain B McInnes
- Stefan Siebert
- Naveed Sattar
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