Prevalence and impacts of poor sleep on quality of life and associated factors of good sleepers in a sample of older Chi
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RESEARCH
Open Access
Prevalence and impacts of poor sleep on quality of life and associated factors of good sleepers in a sample of older Chinese adults Catherine MH Lo1* and Paul H Lee2
Abstract Background: Sleep disturbance is a complex health problem in ageing global populations decreasing quality of life among many older people. Geographic, cultural, and ethnic differences in sleep patterns have been documented within and between Western and Asian populations. The aim of this study was to explore sleep problems among Hong Kong seniors by examining the prevalence of poor sleep quality, the relationship between sleep quality and health-related quality of life, and associated factors of good sleepers in different age groups. Methods: This cross-sectional study used convenience sampling and gathered data during face-to-face interviews. Older community-dwelling individuals (n = 301) were recruited in community centres in 2010. The Pittsburgh Sleep Quality Index and Medical Outcomes Study Short Form-36 were used to measure sleep quality and health-related quality of life. The Medical Outcomes Study Short Form-36 domain scores were compared between good and bad sleepers and between long and short sleepers using Hotelling’s T-Square test. SF-36 domain scores were placed into a logistic regression model that controlled for significant demographic variables (gender, educational level, perceived health). Results: Most (77.7%) participants were poor sleepers. Participants who had global Pittsburgh Sleep Quality Index scores
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