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Validity of self-re...
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Josefson, AnnaÖrebro universitet,Hälsoakademin
(author)
Validity of self-reported nickel allergy
- Article/chapterEnglish2010
Publisher, publication year, extent ...
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Oxford :Wiley,2010
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printrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:oru-12502
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https://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-12502URI
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https://doi.org/10.1111/j.1600-0536.2010.01702.xDOI
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http://kipublications.ki.se/Default.aspx?queryparsed=id:120361555URI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Background: To estimate the prevalence of nickel allergy, self-reports are sometimes used in epidemiological studies. Self-reports are practical and may facilitate estimation of prevalence provided that the questions are validated.Objectives: To investigate the validity of self-reported nickel allergy.Methods: Three hundred and sixty-nine women, aged 30–40 years, from the general population participated in the study. The participants answered a questionnaire before a clinical examination and patch testing. The two questions being validated were ‘Are you sensitive/hypersensitive/allergic to nickel?’ and ‘Do you get a rash from metal buttons, jewellery or other metal items that come in direct contact with your skin?’Results: Patch test showed nickel-positive reaction in 30% of the subjects. Self-reported prevalence of nickel allergy as indicated by the two respective questions was 40% and 35%. Positive predictive values for the two questions were 59% (95% CI 50–67) and 60% (95% CI 51–69). History of childhood eczema was over-represented among women with ‘false-positive’ self-reported nickel allergy (P = 0.008). Self-reported hand eczema or ‘high wet exposure’ did not influence the validity.Conclusions: The validity of self-reported nickel allergy is low. The questions regarding nickel allergy overestimate the true prevalence of nickel allergy.
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Färm, GunillaDept Dermatol, Karolinska Univ Hosp, Stockholm, Sweden
(author)
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Meding, BirgittaKarolinska Institutet
(author)
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Örebro universitetHälsoakademin
(creator_code:org_t)
Related titles
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In:Contact DermatitisOxford : Wiley62:5, s. 289-2930105-18731600-0536
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