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Med J Aust. 2004 Mar 15;180(6):273-6.

Asthma prevalence in Melbourne schoolchildren: have we reached the peak?

Author information

  • 1Department of Respiratory Medicine, Royal Children's Hospital, Flemington Road, Parkville, VIC 3052, Australia. colin.robertson@rch.org.au

Abstract

OBJECTIVE:

To determine the change in prevalence of asthma, eczema and allergic rhinitis in Australian schoolchildren between 1993 and 2002.

DESIGN:

Questionnaire based survey, using the protocol of the International Study of Asthma and Allergy in Childhood.

SETTING:

Metropolitan Melbourne primary schools within a 20 km radius of the GPO in 1993 and 2002.

SUBJECTS:

All children in school years 1 and 2 (ages 6 and 7) attending a random sample of 84 schools in 1993 and 63 schools in 2002.

MAIN OUTCOME MEASURES:

Parent-reported symptoms of atopic disease; treatment for asthma; country of birth.

RESULTS:

There was a 26% reduction in the 12-month period prevalence of reported wheeze, from 27.2% in 1993 to 20.0% in 2002. The magnitude of reduction was similar for boys (27%) and girls (25%). The 12-month period prevalence of reported eczema increased from 11.1% in 1993 to 17.2% in 2002, and rhinitis increased from 9.7% to 12.7%. There were reductions in the proportion of children attending an emergency department for asthma in the previous year (3.6% to 2.3%), the proportion admitted to hospital (1.7% to 1.1%) and the proportion taking asthma medication (18.5% to 13.4%). Of those who reported frequent wheeze, there was an increase in the proportion taking regular inhaled steroids (34.5% to 40.9%).

CONCLUSION:

There has been a significant reduction in the prevalence of reported asthma in Melbourne schoolchildren, whereas the prevalence of eczema and allergic rhinitis has continued to increase.

PMID:
15012564
[PubMed - indexed for MEDLINE]
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