5 years ago

Prevalence and determinants of seborrheic dermatitis in a middle aged and elderly population: the Rotterdam Study

L. M. Pardo, T Nijsten, O. H. Franco, M. G. H. Sanders, R.S. Ginger
Background Seborrheic dermatitis is a chronic relapsing inflammatory skin disease with unclear pathophysiological mechanisms. Objective To establish which lifestyle and physiological determinants are associated with seborrheic dermatitis. Methods Seborrheic dermatitis was diagnosed by a trained physician during a full body skin examination within the Rotterdam Study, a prospective population-based cohort study in middle aged and elderly. The current design is a comparative cross-sectional study embedded in the Rotterdam Study. Potential factors were identified from the literature and analysed in a multivariable logistic regression, including: age, sex, obesity, skin colour, stress, depression, education level, hypertension, climate, xerosis cutis, alcohol and tobacco use. Results Of the 5,498 participants, 788 participants were diagnosed with seborrheic dermatitis (14.3%). We found associations between seborrheic dermatitis and male sex (adjusted OR 2.09; 95% CI: 1.77-2.47), darker skin (adjusted OR 0.39; 95% CI: 0.22-0.69), season (summer vs winter: adjusted OR 0.63; 95% CI: 0.48-0.82) and generalized xerosis cutis (adjusted OR 1.41; 95% CI 1.12-1.80). Conclusion Seborrheic dermatitis is one of most common inflammatory dermatoses in middle and elderly aged individuals, especially during winter period. Men, and people with a light and dry skin were most likely to have seborrheic dermatitis. This article is protected by copyright. All rights reserved.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1111/bjd.15908

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