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.

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