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- W2117730386 abstract "Purpose: It is estimated that between 30 and 75% of patients with cancer experience depression, poor nocturnalsleep, and daytime sleepiness. Research designed to specifically examine associations of depression with subjectiveand objective sleep measures is lacking. Thus the purpose of these analyses was to compare relationships amongdepression, subjective and polysomnographic measures of sleep.Methods: Secondary data analysis design was used to assess sleep quality, and self-rated depression ofpatients with advanced cancer recruited from a university-based medical system. Responses to the Beck DepressionInventory-II (BDI-II), Pittsburgh Sleep Questionnaire Index (PSQI), and the Epworth Sleepiness Scale (ESS), andpolysomnography data were analyzed using descriptive, correlation, and regression statistics.Results: A total of 114 patients with advanced cancer completed the study. PSQI and ESS scores werepositively correlated with BDI-II scores. Total nocturnal sleep time and a prolonged REM latency were also positivelyrelated to BDI-II scores. When controlling for selected demographic and clinical features, the relationships between polysomnographic variables and depression were no longer significant.Conclusions: Depression was related to subjective sleep quality and daytime sleepiness suggesting that theseproblems occur together. In addition, higher levels of depression were associated with nocturnal sleep time andprolonged REM latency." @default.
- W2117730386 created "2016-06-24" @default.
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- W2117730386 date "2013-01-01" @default.
- W2117730386 modified "2023-09-26" @default.
- W2117730386 title "Subjective and Objective Measures of Sleep Quality in Advanced Cancer: A Possible Clinical Marker for Depression" @default.
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- W2117730386 doi "https://doi.org/10.4172/2167-0277.1000135" @default.
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