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Clinically diagnosed childhood asthma and follow-up of symptoms in a Swedish case control study

Eduardo Roel1, Ashild Faresjö, Olle Zetterström

  • 1Department of Health and Society/General Practice and Primary Care, Faculty of Health Sciences, University of Linköping, SE-581 83 Linköping, Sweden. eduardo.roel@ihs.liu.se

BMC Family Practice
|April 23, 2005
PubMed

Insights

Childhood asthma prevalence in Sweden is higher than previously reported, affecting 15.1% of ten-year-olds. This study validates using medical records and questionnaires to track pediatric asthma effectively.

Area of Science:

  • Pediatric Pulmonology
  • Public Health Epidemiology
  • Childhood Asthma Research

Background:

  • Childhood asthma rates are rising globally, posing a significant public health challenge.
  • This study addresses the need to understand asthma patterns in a large urban-rural community.

Purpose of the Study:

  • To investigate asthma symptoms and associated factors in ten-year-old children with diagnosed asthma.
  • To compare these patterns with demographic controls using a standardized questionnaire.

Main Methods:

  • A birth cohort of 2,104 children born in 1990 in a Swedish region was studied.
  • Medically confirmed asthma cases (n=158) and controls (n=171) at age ten completed the International Study of Asthma and Allergies in Childhood (ISAAC) questionnaire.

Main Results:

  • Asthma symptoms, wheezing, and asthma heredity were significantly more prevalent in children with asthma.
  • No significant differences were found in allergic rhinitis, eczema, social factors, or environmental exposures between groups.
  • An estimated 15.1% asthma prevalence at age ten was determined, including new cases identified between ages seven and ten.

Conclusions:

  • Combining medical records and ISAAC questionnaire data provides reliable childhood asthma monitoring.
  • The observed asthma prevalence at age ten is notably higher than prior Swedish reports.
  • Integrated hospital and primary care are crucial for comprehensive childhood asthma management.
Abstract

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