Parental smoking and asthma in childhood
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Published on: August 7, 2017
M Palmieri1, G Longobardi, G Napolitano
1Department of Paediatrics, University of Naples, Italy.
Insights
Parental smoking is a significant risk factor for childhood asthma, particularly in children under six who test negative for common allergens. This finding highlights the importance of smoke-free environments for young children
Area of Science:
- Pediatric Allergy and Immunology
- Environmental Health
- Respiratory Medicine
Background:
- Childhood asthma is a prevalent chronic respiratory condition.
- Parental smoking is a known environmental exposure linked to respiratory issues in children.
- The specific impact of parental smoking on asthma phenotypes, especially in relation to allergen sensitization, requires further elucidation.
Purpose of the Study:
- To investigate the association between parental smoking and childhood asthma.
- To identify if parental smoking is a risk factor for asthma in children who do not show allergic sensitization via prick tests.
Main Methods:
- A case-control study involving 302 asthmatic and 433 healthy children aged 1-12 years.
- Asthmatic patients underwent prick tests for common allergens.
- Stepwise logistic regression analysis was used to assess interactions between parental smoking and other variables.
Main Results:
- A significantly higher prevalence of heavy parental smokers was observed among asthmatic children under 6 years of age with negative prick tests (P = 0.02).
- Logistic regression analysis confirmed parental smoking as a significant factor in this subgroup.
Conclusions:
- Parental smoking is identified as an important risk factor for childhood asthma, specifically in children aged 6 years or less who are "prick test negative".
- This suggests that non-allergic asthma in young children may be particularly susceptible to the effects of environmental tobacco smoke exposure.
Abstract:
The effect of parental smoking on childhood asthma was investigated in which data from 302 asthmatic and 433 healthy children aged 1 to 12 years, were studied. All asthmatic patients received prick tests for common allergens. A significantly higher number of heavy parental smokers was found in asthmatic children under 6 years of age with negative prick tests (P = 0.02). A stepwise logistic regression was performed in order to verify interactions between parental smoking and other variables. It is concluded that parental smoking is an important risk factor for "prick test negative" asthmatic children aged 6 years or less.
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