Journal
JOURNAL OF PAEDIATRICS AND CHILD HEALTH
Volume 52, Issue 5, Pages 512-517Publisher
WILEY
DOI: 10.1111/jpc.13120
Keywords
ethnicity; obstructive sleep apnoea; polysomnography; risk factor; smoking; snoring
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Funding
- Australian National Health and Medical Research Council of Australia [384142, 491001, 10008919]
- Victorian Government's Operational Infrastructure Support Program
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AimThis study aims to determine whether demographic or clinical factors predict obstructive sleep apnoea (OSA) severity in Australian children. MethodsDemographic details and medical histories of 301 Australian children (3-17years old) referred for assessment of OSA were examined retrospectively. Children underwent overnight polysomnography and were classified as having primary snoring (PS) (obstructive apnoea hypopnoea index (OAHI)1 event per hour; n=150), mild OSA (>1 OAHI5 events per hour; n=76) or moderate/severe (MS) OSA (OAHI>5 events per hour; n=75). Information obtained from parent-report questionnaire determined the predictive value of the following factors for determining OSA severity: gender, ethnicity, body mass index, asthma and/or allergic rhinitis, socio-economic status and parental smoking status (mother/father/both). Chi-squared analyses were used to compare the distribution of the demographic and clinical factors across the three groups. Statistically significant risk factors were subsequently entered into logistic regression analysis. ResultsEthnicity and parental smoking were significant risk factors for MS OSA. Children with non-Caucasian ethnicity were 36% more likely than Caucasian children to be diagnosed with MS OSA than PS (P=0.002). Children with fathers who smoked were 53% more likely to have MS OSA than PS compared with those with fathers who did not smoke (P=0.008). Obesity was associated with OSA severity in primary school-aged children only. Gender, socio-economic status and history of asthma and/or allergic rhinitis were not risk factors. ConclusionsNon-Caucasian ethnicity, paternal smoking and obesity in older children were associated with an increased risk of polysomnography-confirmed MS OSA in Australian children.
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