Correlates of habitual snoring and witnessed apnoeas in Busselton, Western Australia

Matthew Knuiman, A.L. James, Mark Divitini, Helen Bartholomew

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


Objective: The aim of this study was to identify potential body size, behavioural and respiratory risk factors for habitual snoring and witnessed apnoeas in a general population.Methods: Correlates of these conditions were studied in a sample of 3,577 adults aged 25-74 years who participated in a comprehensive health survey in Busselton, Western Australia, during 1994/95. Logistic regression was used to assess associations after age and gender adjustment and also in multivariate models.Results: The prevalence of both conditions was higher in men and rose with age. After controlling for age, gender and body mass index no additional body size variable remained significantly associated with witnessed apnoeas, whereas both waist-hip ratio and neck-height ratio remained significantly associated with habitual snoring. Among behavioural variables, smoking showed the strongest association, and among respiratory symptoms, asthma for habitual snoring and bronchitis for witnessed apnoeas had significant independent associations.Conclusions and Implications: This study has confirmed obesity and smoking as key determinants of habitual snoring and witnessed apnoeas. It has also shown that a number of measures of obesity are independently related to habitual snoring and that asthma and bronchitis may also play a role, independently of obesity.
Original languageEnglish
Pages (from-to)412-415
JournalAustralian and New Zealand Journal of Public Health
Issue number5
Publication statusPublished - 2005


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