Source: Annual Congress 2010 - Occupational asthma
Disease area: Airway diseases, Paediatric lung diseases

Abstract

Introduction: Risk of asthma is increased in occupational workers, but there are limited studies on the risk of asthma in working children. In this study, we aimed to evaluate the risk factors for asthma in working children.
Material and methods: Study was performed in an apprentice institute for training young workers in Kartal. 590 apprentice students aged between 14 – 18 years answered the ISAAC survey. 78 children with positive answers to asthma questions were selected as the patient group, and 70 who answered negatively to all questions were taken as a control group. Both of these groups had a full physical exam, spirometry, exercise test and skin prick test.
Findings: Rate of smoking in the whole group was 26%, while it was 30% in the patient group and 20% in the control group (p> 0.05); starting age was 13.7 ± 2.1 years. Familial atopy increased the risk of physician diagnosed asthma, allergic rhinitis and eczema (OR=6.6, p=0.03; OR=1.5, p=0.01; r=10, p=0.02). Also, wheezing was associated with smoking, familial atopy and age (OR=4.3, p=0.021; OR= 1.23, p=0.001; OR=11.1, p=0.004). Eczema risk was higher in females (OR=7.1, p=0.03). Atopy was more common among hairdressers (29.2%; OR=6.6, p=0.05). Positive skin prick test was more common in the patient group (46.2 % vs. 11.4%, p=0.001). Rate of bronchial hyperreactivity was %12.8; and there was no significant difference between the patient and the control groups.
Results: Starting age for smoking is very young in working children and smoking rate is high. Risk of asthma is associated with skin prick test positivity, familial atopy and type occupation in working children.

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K. Mounla, E. Erdem, Y. Gökdemir, N. Varol, F. Karakoç, B. Karadag, R. Hamutçu, E. Dagli (Istanbul, Turkey). Risk of asthma in working children. Eur Respir J 2010; 36: Suppl. 54, 1467

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