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Arquivos de Neuro-Psiquiatria

versión On-line ISSN 1678-4227


MARCHI, Nely Silvia Aragão de; REIMAO, Rubens; TOGNOLA, Waldir Antonio  y  CORDEIRO, José Antonio. Analysis of the prevalence of insomnia in the adult population of São José do Rio Preto, Brazil. Arq. Neuro-Psiquiatr. [online]. 2004, vol.62, n.3b, pp. 764-768. ISSN 1678-4227.

OBJECTIVE: To establish the prevalence of insomnia in the adult urban population of São José do Rio Preto, Brazil and correlate it with the demographic data. METHOD: We evaluated 1105 individuals in to guarantee an error margin of 3% and a confidence level of 95% using a structured questionnaire and following the DSM-IV and DSM-III-R criteria, in the period from January 10 to February 28 2001. RESULTS: We encountered a prevalence of 32% of insomnia, which was most commonly seen in women, single people, from the lower economical brackets, with a low level of schooling and it was less associated with younger adults (18-31 year-olds). CONCLUSION: Our findings indicate that the prevalence of insomnia in the adult population of São José do Rio Preto is comparable with other countries such as the USA and those of Europe and also with other cities in Brazil.

Palabras clave : insomnia; epidemiology; prevalence.

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