The Turkish Journal of Pediatrics 2014 , Vol 56 , Num 5
Prevalence of Asthma Among Children in an Industrial Town
1Department of Pediatric Allergy, Dr. Behcet Uz Children’s Hospital, 2Department of Public Health, Dokuz Eylul University Faculty of Medicine, Izmir, Turkey
Received: 14 February 2014, Revised: 25 February 2014, Accepted: 26 March 2014
Studies of the prevalence of asthma should be supported by objective markers. We aimed to measure the prevalence of childhood asthma in a particular area and age group using a questionnaire, and to compare the results with the rates of asthma diagnosed by objective measures.

All students aged 13-14 (n=1511) in Kemalpasa, Izmir, were included in the study. Children whose responses on the ISAAC Phase-I Questionnaire revealed current wheezing were invited to the district health center. The prevalence of clinically proven asthma (current wheezing supported by objective markers) was investigated.

The questionnaire was answered by 1373 (90.87%) students. Current wheezing was indicated in 428 children (31.0%), significantly more in girls than in boys (p<0.05). However, the prevalence of clinically proven asthma decreased by 42.5% when using objective markers.

This study provided important epidemiologic information about the prevalence of asthma as indicated by questionnaires as opposed to that indicated by objective measures, especially in countries where the language lacks a word for “wheezing.” Keywords : asthma, atopy, children, epidemiology, ISAAC, industry, risk factors.

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