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Allergy in day care children: prevalence and environmental risk factors.
Acta Paediatr. 2009 May; 98(5):817-22.AP

Abstract

AIM

To investigate the prevalence of atopic disease among Finnish day care children and the relationship between atopy and environmental factors.

METHODS

A cross-sectional study of 594 day care children aged 1-6 years from Helsinki, Finland. Each child's history of atopic diseases and environmental exposure was collected in a questionnaire completed by the parents.

RESULTS

The prevalence of diagnosed asthma was 0.9% for the 1-3-year olds and 5.5% for the 4-6-year olds, atopic eczema/dermatis was 16% in both groups, and allergic rhinitis 5% in the younger group, 9% in the older group. According to multivariable logistic regression models, breastfeeding (exclusive > or =4 months or partial > or =6 months) reduced the risk of atopic diseases (OR = 0.60; CI(95) 0.39-0.93, p = 0.021). Atopic diseases were more common in the oldest age group, 5-6-year olds, compared to the youngest, 1-2-year olds (OR = 2.18; CI(95) 1.14-4.15, p = 0.018). One parent with atopic disease increased the child's risk (OR = 1.89; CI(95) 1.20-2.97, p = 0.006), more so if both parents had a history (OR = 3.17; CI(95) 1.48-6.78, p = 0.003).

CONCLUSION

Our results support the hypothesis that breastfeeding for at least six months may protect against atopic diseases. The child's greater age (5-6 years) and parental history of atopic diseases increased the risk of atopy.

Authors+Show Affiliations

Valio R&D, Helsinki, Finland.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

19183114

Citation

Hatakka, Katja, et al. "Allergy in Day Care Children: Prevalence and Environmental Risk Factors." Acta Paediatrica (Oslo, Norway : 1992), vol. 98, no. 5, 2009, pp. 817-22.
Hatakka K, Piirainen L, Pohjavuori S, et al. Allergy in day care children: prevalence and environmental risk factors. Acta Paediatr. 2009;98(5):817-22.
Hatakka, K., Piirainen, L., Pohjavuori, S., Poussa, T., Savilahti, E., & Korpela, R. (2009). Allergy in day care children: prevalence and environmental risk factors. Acta Paediatrica (Oslo, Norway : 1992), 98(5), 817-22. https://doi.org/10.1111/j.1651-2227.2008.01198.x
Hatakka K, et al. Allergy in Day Care Children: Prevalence and Environmental Risk Factors. Acta Paediatr. 2009;98(5):817-22. PubMed PMID: 19183114.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Allergy in day care children: prevalence and environmental risk factors. AU - Hatakka,Katja, AU - Piirainen,Laura, AU - Pohjavuori,Sara, AU - Poussa,Tuija, AU - Savilahti,Erkki, AU - Korpela,Riitta, Y1 - 2009/01/22/ PY - 2009/2/3/entrez PY - 2009/2/3/pubmed PY - 2009/7/7/medline SP - 817 EP - 22 JF - Acta paediatrica (Oslo, Norway : 1992) JO - Acta Paediatr VL - 98 IS - 5 N2 - AIM: To investigate the prevalence of atopic disease among Finnish day care children and the relationship between atopy and environmental factors. METHODS: A cross-sectional study of 594 day care children aged 1-6 years from Helsinki, Finland. Each child's history of atopic diseases and environmental exposure was collected in a questionnaire completed by the parents. RESULTS: The prevalence of diagnosed asthma was 0.9% for the 1-3-year olds and 5.5% for the 4-6-year olds, atopic eczema/dermatis was 16% in both groups, and allergic rhinitis 5% in the younger group, 9% in the older group. According to multivariable logistic regression models, breastfeeding (exclusive > or =4 months or partial > or =6 months) reduced the risk of atopic diseases (OR = 0.60; CI(95) 0.39-0.93, p = 0.021). Atopic diseases were more common in the oldest age group, 5-6-year olds, compared to the youngest, 1-2-year olds (OR = 2.18; CI(95) 1.14-4.15, p = 0.018). One parent with atopic disease increased the child's risk (OR = 1.89; CI(95) 1.20-2.97, p = 0.006), more so if both parents had a history (OR = 3.17; CI(95) 1.48-6.78, p = 0.003). CONCLUSION: Our results support the hypothesis that breastfeeding for at least six months may protect against atopic diseases. The child's greater age (5-6 years) and parental history of atopic diseases increased the risk of atopy. SN - 1651-2227 UR - https://www.unboundmedicine.com/medline/citation/19183114/Allergy_in_day_care_children:_prevalence_and_environmental_risk_factors_ L2 - https://doi.org/10.1111/j.1651-2227.2008.01198.x DB - PRIME DP - Unbound Medicine ER -