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Snoring in preschool children: prevalence, severity and risk factors
C E Kuehni1, M-P F Strippoli, E S Chauliac
1Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland. kuehni@ispm.unibe.ch
Insights
Habitual snoring is common in preschool children, affecting nearly 8%. Avoidable factors like parental smoking and socioeconomic status contribute, highlighting the need for early intervention in childhood snoring.
Area of Science:
- Pediatric Pulmonology
- Epidemiology
- Environmental Health
Background:
- Epidemiological data on snoring in preschool children is limited.
- Habitual snoring in early childhood is linked to adverse long-term health outcomes.
Purpose of the Study:
- To determine the prevalence, severity, and risk factors of snoring, particularly habitual snoring, in preschool children.
- To identify modifiable risk factors associated with childhood snoring.
Main Methods:
- Population-based survey of 6,811 children aged 1-4 years in Leicestershire, UK.
- Parental reporting of snoring, habitual snoring, sleep disturbance, and associated risk factors.
- Statistical analysis including adjusted odds ratios (OR) for identified risk factors.
Main Results:
- Snoring reported in 59.7% of children; habitual snoring in 7.9%.
- Habitual snoring prevalence increased with age (6.6% at 1 yr to 13.0% at 4 yrs).
- Associated factors included parental smoking (OR 1.46-2.09), road traffic (OR 1.23), single parenthood (OR 1.60), and socioeconomic deprivation in White children (OR 1.25-2.03).
- Strong associations found with respiratory symptoms, atopic disorders, and viral infections; body mass index was not associated.
Conclusions:
- Habitual snoring is prevalent in preschool children, with a significant proportion linked to avoidable environmental and social factors.
- The complex etiology involves respiratory tract vulnerability, atopic disorders, infections, and environmental exposures.
- Findings underscore the importance of addressing risk factors to mitigate long-term consequences of childhood habitual snoring.
Abstract:
Epidemiological data on snoring from preschool children are scarce, although habitual snoring (snoring on almost all nights) has been associated with poor long-term outcomes. In a population survey of 6,811 children aged 1-4 yrs (from Leicestershire, UK) the present authors determined prevalence, severity and risk factors for snoring, especially habitual snoring. In 59.7% of the children, parents reported snoring in the previous 12 months, including 7.9% with habitual snoring and 0.9% with habitual snoring and sleep disturbance. Prevalence of habitual snoring increased with age from 6.6% in 1-yr-olds to 13.0% in 4-yr-olds. Habitual snoring was associated with: one and both parents smoking (adjusted odds ratio (OR) 1.46 and 2.09, respectively); road traffic (OR 1.23); single parent (OR 1.60); and in White but not South Asian children, socioeconomic deprivation (OR 1.25 and 2.03 for middle and upper thirds of Townsend score, respectively). Respiratory tract symptoms related to atopic disorders and to respiratory infections were strongly associated with snoring; however, body mass index was not. In conclusion, habitual snoring is common in preschool children with one-third of cases attributable to avoidable risk factors. The strong association with atopic disorders, viral infections and environmental exposures suggests a complex aetiology, based on a general vulnerability of the respiratory tract.
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