Abstract
Background The aim of this longitudinal study was to identify body size, behavioral, and respiratory risk factors for the development of habitual snoring in a general adult population. Methods The sample for this study comprised 967 adults aged 25 to 74 years who reported not snoring in the 1981 Busselton Health Survey and who also attended the 1994–1995 follow-up survey. Logistic regression was used to identify and quantify the effect of baseline and change risk factors for the development of habitual snoring. Results A total of 13% had become habitual snorers by 1994–1995. Male gender (odds ratio [OR], 3.5) and baseline body mass index (OR, 1.4 per 3.4 kg/m2) were significant predictors of habitual snoring; after accounting for these variables, no other baseline body size, behavioral, or respiratory/allergy variables were significantly related to the development of habitual snoring. However, change in body mass index over the 14-year follow-up period (OR, 1.55 per 2.3 kg/m2), development of asthma (OR, 2.8), and commencement of smoking (OR, 2.2) were additional significant independent risk factors for development of habitual snoring. Conclusions This study has confirmed male gender, obesity, and weight gain as key determinants of habitual snoring, and has indicated that development of asthma and taking up smoking also play a role. Maintaining a healthy weight and not smoking are recommended lifestyle preventive strategies to reduce the risk of sleep-disordered breathing and its sequelae. The aim of this longitudinal study was to identify body size, behavioral, and respiratory risk factors for the development of habitual snoring in a general adult population. The sample for this study comprised 967 adults aged 25 to 74 years who reported not snoring in the 1981 Busselton Health Survey and who also attended the 1994–1995 follow-up survey. Logistic regression was used to identify and quantify the effect of baseline and change risk factors for the development of habitual snoring. A total of 13% had become habitual snorers by 1994–1995. Male gender (odds ratio [OR], 3.5) and baseline body mass index (OR, 1.4 per 3.4 kg/m2) were significant predictors of habitual snoring; after accounting for these variables, no other baseline body size, behavioral, or respiratory/allergy variables were significantly related to the development of habitual snoring. However, change in body mass index over the 14-year follow-up period (OR, 1.55 per 2.3 kg/m2), development of asthma (OR, 2.8), and commencement of smoking (OR, 2.2) were additional significant independent risk factors for development of habitual snoring. This study has confirmed male gender, obesity, and weight gain as key determinants of habitual snoring, and has indicated that development of asthma and taking up smoking also play a role. Maintaining a healthy weight and not smoking are recommended lifestyle preventive strategies to reduce the risk of sleep-disordered breathing and its sequelae.
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