Incidence of allergic contact dermatitis in Finland 1998-2021: A nationwide registry-based study
Wikström, Ville; Sinikumpu, Suvi-Päivikki; Jokelainen, Jari; Huilaja, Laura (2024-09-10)
John Wiley & Sons
10.09.2024
Wikström V, Sinikumpu S-P, Jokelainen J, Huilaja L. Incidence of allergic contact dermatitis in Finland 1998–2021: A nationwide registry-based study. Contact Dermatitis. 2024; 1-7. doi:10.1111/cod.14688
https://creativecommons.org/licenses/by-nc-nd/4.0/
© 2024 The Author(s). Contact Dermatitis published by John Wiley & Sons Ltd. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.
https://creativecommons.org/licenses/by-nc-nd/4.0/
© 2024 The Author(s). Contact Dermatitis published by John Wiley & Sons Ltd. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.
https://creativecommons.org/licenses/by-nc-nd/4.0/
Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi:oulu-202409115791
https://urn.fi/URN:NBN:fi:oulu-202409115791
Tiivistelmä
Abstract
Background:
Allergic contact dermatitis (ACD) may be chronic and can cause distress, disability, and absence from work. Nationwide epidemiological studies of ACD are sparse.
Objectives:
To use national registry data to study the incidence and aetiology of ACD in the working age population of Finland.
Methods:
Patient records from the years 1998–2021 were obtained from the Finnish Care Register for Health Care. Study subjects aged 18–65 years were selected on the basis of a diagnosis of ACD.
Results:
Total number of study subjects was 26 701. The incidence of ACD increased until 2016 after which it started to decrease. The increase was more marked in females and ACD was particularly common in women reporting reactions to cosmetics and other chemical products and in people of both sexes reacting to adhesives. The incidence ‘ACD of unspecific cause’ has decreased since 2016. The most commonly reported allergens were metals, followed by cosmetics. One fourth of subjects had ≥2 ACD diagnoses.
Conclusions:
The incidence of ACD in working age subjects rose from 1998 to 2016, especially in females. However, the incidence has been decreasing since 2016. Our findings highlight the ongoing and even increasing burden of ACD among the working age population.
Background:
Allergic contact dermatitis (ACD) may be chronic and can cause distress, disability, and absence from work. Nationwide epidemiological studies of ACD are sparse.
Objectives:
To use national registry data to study the incidence and aetiology of ACD in the working age population of Finland.
Methods:
Patient records from the years 1998–2021 were obtained from the Finnish Care Register for Health Care. Study subjects aged 18–65 years were selected on the basis of a diagnosis of ACD.
Results:
Total number of study subjects was 26 701. The incidence of ACD increased until 2016 after which it started to decrease. The increase was more marked in females and ACD was particularly common in women reporting reactions to cosmetics and other chemical products and in people of both sexes reacting to adhesives. The incidence ‘ACD of unspecific cause’ has decreased since 2016. The most commonly reported allergens were metals, followed by cosmetics. One fourth of subjects had ≥2 ACD diagnoses.
Conclusions:
The incidence of ACD in working age subjects rose from 1998 to 2016, especially in females. However, the incidence has been decreasing since 2016. Our findings highlight the ongoing and even increasing burden of ACD among the working age population.
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