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Atopic dermatitis and respiratory symptoms in Russian and northern Norwegian school children: a comparison study in two arctic areas and the impact of environmental factors.
J Eur Acad Dermatol Venereol 2004; 18(2):131-6JE

Abstract

BACKGROUND

The increase in atopic diseases during recent decades has been related to environmental factors such as indoor and outdoor pollution and the ingestion of certain foods. On the other hand, studies from Eastern Europe (with heavy air pollution) have reported a lower prevalence of atopic diseases and sensitization in their schoolchildren than in children living in Western Europe.

OBJECTIVES

This study compares the frequency of atopic diseases and respiratory symptoms in two geographically close arctic areas and points to possible risk factors for development of the diseases.

METHODS

A total of 1734 schoolchildren (1183 in Nikel and 551 in Sør-Varanger) were studied using identical, four-page, self-administered questionnaires.

RESULTS

Atopic diseases were reported in 38.7% of Norwegian and in 24.2% of Russian children (P < 0.001). Atopic dermatitis (AD) (23.6% vs 7.9%; P < 0.001) and allergic rhinoconjunctivitis (AR) (20.6% vs 14.7%; P < 0.001) occurred more frequently in Sør-Varanger, whereas 'self-reported' asthma (12.3% vs 13.1%) was similar in both areas. However, respiratory symptoms such as coughing, wheezing, breathlessness and bronchitis were 3-4 times more frequent in Nikel (P < 0.001).

CONCLUSION

This study disproves a previous hypothesis, i.e. that air pollution must be a major risk factor for the development of atopic diseases. Nevertheless, respiratory tract symptoms may be provoked by environmental pollution. Possible explanations for the higher frequency of atopic diseases in Sør-Varanger may be found in socio-economic and lifestyle differences between the two populations.

Authors+Show Affiliations

Department of Dermatology, Institute of Community Medicine, Tromsø University, 9037 Tromsø, Norway. larskd@start.noNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article

Language

eng

PubMed ID

15009288

Citation

Dotterud, L K., et al. "Atopic Dermatitis and Respiratory Symptoms in Russian and Northern Norwegian School Children: a Comparison Study in Two Arctic Areas and the Impact of Environmental Factors." Journal of the European Academy of Dermatology and Venereology : JEADV, vol. 18, no. 2, 2004, pp. 131-6.
Dotterud LK, Odland JØ, Falk ES. Atopic dermatitis and respiratory symptoms in Russian and northern Norwegian school children: a comparison study in two arctic areas and the impact of environmental factors. J Eur Acad Dermatol Venereol. 2004;18(2):131-6.
Dotterud, L. K., Odland, J. Ø., & Falk, E. S. (2004). Atopic dermatitis and respiratory symptoms in Russian and northern Norwegian school children: a comparison study in two arctic areas and the impact of environmental factors. Journal of the European Academy of Dermatology and Venereology : JEADV, 18(2), pp. 131-6.
Dotterud LK, Odland JØ, Falk ES. Atopic Dermatitis and Respiratory Symptoms in Russian and Northern Norwegian School Children: a Comparison Study in Two Arctic Areas and the Impact of Environmental Factors. J Eur Acad Dermatol Venereol. 2004;18(2):131-6. PubMed PMID: 15009288.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Atopic dermatitis and respiratory symptoms in Russian and northern Norwegian school children: a comparison study in two arctic areas and the impact of environmental factors. AU - Dotterud,L K, AU - Odland,J Ø, AU - Falk,E S, PY - 2004/3/11/pubmed PY - 2004/6/17/medline PY - 2004/3/11/entrez SP - 131 EP - 6 JF - Journal of the European Academy of Dermatology and Venereology : JEADV JO - J Eur Acad Dermatol Venereol VL - 18 IS - 2 N2 - BACKGROUND: The increase in atopic diseases during recent decades has been related to environmental factors such as indoor and outdoor pollution and the ingestion of certain foods. On the other hand, studies from Eastern Europe (with heavy air pollution) have reported a lower prevalence of atopic diseases and sensitization in their schoolchildren than in children living in Western Europe. OBJECTIVES: This study compares the frequency of atopic diseases and respiratory symptoms in two geographically close arctic areas and points to possible risk factors for development of the diseases. METHODS: A total of 1734 schoolchildren (1183 in Nikel and 551 in Sør-Varanger) were studied using identical, four-page, self-administered questionnaires. RESULTS: Atopic diseases were reported in 38.7% of Norwegian and in 24.2% of Russian children (P < 0.001). Atopic dermatitis (AD) (23.6% vs 7.9%; P < 0.001) and allergic rhinoconjunctivitis (AR) (20.6% vs 14.7%; P < 0.001) occurred more frequently in Sør-Varanger, whereas 'self-reported' asthma (12.3% vs 13.1%) was similar in both areas. However, respiratory symptoms such as coughing, wheezing, breathlessness and bronchitis were 3-4 times more frequent in Nikel (P < 0.001). CONCLUSION: This study disproves a previous hypothesis, i.e. that air pollution must be a major risk factor for the development of atopic diseases. Nevertheless, respiratory tract symptoms may be provoked by environmental pollution. Possible explanations for the higher frequency of atopic diseases in Sør-Varanger may be found in socio-economic and lifestyle differences between the two populations. SN - 0926-9959 UR - https://www.unboundmedicine.com/medline/citation/15009288/Atopic_dermatitis_and_respiratory_symptoms_in_Russian_and_northern_Norwegian_school_children:_a_comparison_study_in_two_arctic_areas_and_the_impact_of_environmental_factors_ L2 - https://onlinelibrary.wiley.com/resolve/openurl?genre=article&amp;sid=nlm:pubmed&amp;issn=0926-9959&amp;date=2004&amp;volume=18&amp;issue=2&amp;spage=131 DB - PRIME DP - Unbound Medicine ER -