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Cadernos de Saúde Pública
On-line version ISSN 1678-4464Print version ISSN 0102-311X
LIMA, Margareth Guimarães; BARROS, Marilisa Berti de Azevedo and ALVES, Maria Cecília Goi Porto. Sleep duration and health status self-assessment (SF-36) in the elderly: a population-based study (ISA-Camp 2008). Cad. Saúde Pública [online]. 2012, vol.28, n.9, pp.1674-1684. ISSN 1678-4464. http://dx.doi.org/10.1590/S0102-311X2012000900007.
The aim of this study was to determine the association between sleep duration and health status among the elderly. A population-based study was carried out with 1,418 elderly individuals using data from the health survey of Campinas, São Paulo State, Brazil (ISA-Camp 2008). Linear regression models were used to determine associations between the physical and mental components and subscales of the SF-36 and sleep duration. Elderly male individuals who slept > 6 hours obtained lower mean SF-36 scores for the vitality and mental health scales and the mental component summary than those who slept for seven to eight hours. All scales were negatively associated with sleep duration < 10 hours, except bodily pain. Scores for the mental health, vitality and role-emotional subscales were lower among women who slept for less than five hours. Mental health was negatively associated with < 10 hours of sleep. Sleep deprivation and excessive sleep were associated with poorer health status, with differences between genders, principally in the long duration sleep categories.
Keywords : Quality of Life; Sleep; Health of the Elderly; Health Status.