Abstract
Objectives. This study investigated the prevalence of contact sensitization in a general adult population and the relationship between the history of metal dermatitis and sensitization to metal allergens.Study Design. A cross-sectional population study using patch tests and a questionnaire was conducted among adults in Tromso, Northern Norway.Methods. A random sample of 830 participants aged 18–75 years were invited to participate in the patch testing and completed a 1-page self-administered questionnaire. Of the adults, 531 (64%) were actually TRUE tested (using a standardized, ready-to-apply patch test system) and completed the self-administered questionnaire about ear piercing, metal reactions, skin reactions to different allergens, atopic dermatitis, eczema, cooking equipment and diet.Results. The study showed that nickel (19.2%; women 31.1% and men 5.0%), fragrance mix (3.4%) and cobalt (1.7%) were the most prevalent allergens causing contact sensitization. For all other allergens, less than 1.1% tes...

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