Prevalence of insomnia and associated socio-demographic factors in a Brazilian community: the Bambuí study.

Abstract:

BACKGROUND:Population-based studies of insomnia among adults residing in communities in developing countries are rare. The objectives of this population-based study were to determine the prevalence and factors associated with insomnia among adults (18 years and over) living in a Brazilian town with 15,000 inhabitants (Bambuí MG) and to determine how the use of different definitions of insomnia affect its prevalence. METHODS:A total of 87.3% of 1221 randomly selected individuals aged 18+ participated. Prevalences were estimated based on different definitions. To determine the associated characteristics, insomnia was defined as a complaint in the last month, occurring at least three times a week, causing distress. RESULTS:(1) Prevalence ranged from 12.0 to 76.3%; (2) prevalence of insomnia, as defined above, was 35.4%; (3) prevalence among women increased with age and was higher than that of men; (4) insomnia was independently associated with less education in both sexes, and among females it was associated with older age (60+ years). CONCLUSIONS:The prevalence of insomnia in Bambuí was high, similar to that of urban centers of developed countries; this investigation substantiated the importance of operational criteria in studies of insomnia.

journal_name

Sleep Med

journal_title

Sleep medicine

authors

Rocha FL,Guerra HL,Lima-Costa MF

doi

10.1016/s1389-9457(01)00119-8

keywords:

subject

Has Abstract

pub_date

2002-03-01 00:00:00

pages

121-6

issue

2

eissn

1389-9457

issn

1878-5506

pii

S1389945701001198

journal_volume

3

pub_type

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