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Prevalence of Sleep-related Breathing Disorders in Rural Population of Delhi, India FREE TO VIEW

V. K. Vijayan, MD*; Anshu Mittal, MBBS; Puneet Tyagi, MD; Muhammed Fahim, PhD; Mujeeb U. Rahman, PhD
Author and Funding Information

VP Chest Instiute, University of Delhi, Delhi, India


Chest. 2004;126(4_MeetingAbstracts):902S. doi:10.1378/chest.126.4_MeetingAbstracts.902S-b
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PURPOSE:  To study the prevalence of sleep-related breathing disorders in adults of rural population of Delhi.

METHODS:  Nineteen out of 232 villages in Delhi were randomly selected. Households were then selected randomly to obtain a sample of 350-400 subjects of either sex from each village. The study was done using a questionnaire. The field investigators made house-to-house visits and administered the questionnaire to all over 18 years of age. A repeat visit was made by the Investigators to contact the members absent during the first visit. The questionnaire had fifteen multiple-choice questions and each question was scored depending on the severity of symptoms. Each subject has to choose one of five possible alternatives for each question: “never”, “less than once a week”, “once or twice a week”, “three to five nights/days a week”, or “almost everyday/night”. The respondents were classified as having sleep-related breathing symptoms if they had loud snoring (scores 4 or 5) and/or daytime sleepiness (scores 4 or 5). Age, weight and height were recorded.

RESULTS:  A total of 6908 subjects from the rural area of Delhi were studied. There were 3562 (51%) males and 3346 (49%) females. A history of sleep-related breathing symptoms was present in 763 (11%) of 6908 subjects. Of these, 448 (12%) were males and 315 (9%) females. Further analysis had shown that subjects with sleep-related breathing symptoms were older (p<0.001) and had weight (p<0.001) and body mass index (p<0.001) higher in both sexes compared to subjects without such symptoms. In subjects with sleep-related symptoms, snoring was significantly more in males (p<0.001) compared to females. However, the daytime sleepiness and morning headache were more in females (p<0.001).

CONCLUSION:  Eleven percent of adult subjects in the rural area of Delhi had sleep-related breathing symptoms. The symptoms increased with age in both sexes and the prevalence of snoring was more in males.

CLINICAL IMPLICATIONS:  The study makes the physicians aware the magnitude of the problem of sleep-related breathing disorders which has not received adequate attention till recently.

DISCLOSURE:  V.K. Vijayan, None.

Wednesday, October 27, 2004

12:30 PM - 2:00 PM




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