title: Symptoms related to obstructive sleep apnoea are common in subjects with asthma, chronic bronchitis and rhinitis in a general population.
abstract: The purpose of this study was to examine the prevalence of self-reported snoring, apnoeas and daytime sleepiness in relation to chronic bronchitis, recurrent wheeze, physician-diagnosed asthma and rhinitis. This was a questionnaire study in a representative sample of a general population. The study was a part of the Obstructive Lung Disease in Northern Sweden Studies (OLIN). A total of 5424 subjects aged 20-69 years, born on the 15th day of each month, participated in the study. Eligible answers were obtained from 4648 subjects (85.7%). Having snoring as a problem was reported by 10.7%. Among subjects with chronic bronchitis it was reported by 25.9%, with recurrent wheeze by 21.3%, with physician-diagnosed asthma by 17.9%, and with rhinitis by 14.7%. Relatives' concerns of witnessed apnoea was reported by 6.8% of all subjects, while among subjects with chronic bronchitis it was reported by 18.1%, with recurrent wheeze by 17.1%, with physician-diagnosed asthma by 14.3%, and with rhinitis by 9.1%. After correction for age, gender and smoking habits, chronic bronchitis, rhinitis, asthma, and current smoking were significantly related, with snoring as a problem and with relatives' concern of witnessed apnoeas. Symptoms of daytime sleepiness were significantly related with concern of witnessed apnoeas, chronic bronchitis, snoring as a problem, recurrent wheeze and age 50-59 years. In conclusion, respiratory symptoms and conditions affecting mainly the lower respiratory tract, such as chronic bronchitis and asthma, were related with symptoms common in obstructive sleep apnoea.
authors.affiliation: Department of Medicine, Sunderby Central Hospital of Norrbotten, Luleå, Sweden. lars-gunnar.larsson@nll.se
authors.forename: L G
authors.initials: LG
authors.lastname: Larsson
authors.forename: A
authors.initials: A
authors.lastname: Lindberg
authors.forename: K A
authors.initials: KA
authors.lastname: Franklin
authors.forename: B
authors.initials: B
authors.lastname: Lundbäck
mesh_terms: D000328:Adult; D000368:Aged; D001249:Asthma / Q000453:epidemiology*; D001991:Bronchitis / Q000453:epidemiology*; D002908:Chronic Disease; D015897:Comorbidity; D003430:Cross-Sectional Studies; D005260:Female; D006801:Humans; D016015:Logistic Models; D008297:Male; D008875:Middle Aged; D015995:Prevalence; D012220:Rhinitis / Q000453:epidemiology*; D020181:Sleep Apnea, Obstructive / Q000453:epidemiology*; D012907:Smoking / Q000453:epidemiology; D012913:Snoring / Q000453:epidemiology; D013548:Sweden / Q000453:epidemiology