Chest
Original Research: Sleep MedicineLongitudinal Study of Risk Factors for Habitual Snoring in a General Adult Population: The Busselton Health Study
Section snippets
Study Subjects
Busselton is a coastal town in Western Australia, and its residents have been the subject of several health surveys. Eleven cross-sectional surveys of all adults or school children in Busselton were conducted over the period 1966 to 1983. A follow-up survey of previous participants was conducted in 1994–1995. The study reported here is based on the cohort of 1,390 subjects who attended the 1981 survey of adults when aged 25 to 74 years, answered “no” to the question “Do you snore?” (possible
Results
Overall, a total of 13% reported being habitual snorers in 1994–1995 (21% in men and 8% in women). Table 1 describes the characteristics of the 967 subjects aged 25 to 74 years in 1981. Table 1 also shows the age-and gender-adjusted ORs for the association of each variable with habitual snoring in 1994–1995. Apart from (baseline) height and the change in triceps fatfold, all baseline body size and change body size variables showed significant associations with habitual snoring in 1994–1995. The
Discussion
This population-based study found an incidence of 13% for habitual snoring over a 14-year period (approximately 1%/yr). The study by Tishler et al12 found a 5-year incidence for moderately severe sleep-disordered breathing of approximately 10% (or 2%/yr). Our study counted incident cases (over 14 years) as going from no snoring to snoring often or more frequently (as explained in “Materials and Methods”). The study by Tishler et al12 defined incident cases (over 5 years) as going from an
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Reproduction of this article is prohibited without written permission from the American College of Chest Physicians (www.chestjournal.org/misc/reprints.shtml).
The 1994–1995 Busselton Health Survey was supported by the Health Promotion Foundation of Western Australia. This analysis was supported by Project Grant 211988 from the National Health and Medical Research Council of Australia.
The authors have no conflicts of interest to disclose.
This work was performed at The University of Western Australia.