作者
Aaron Schokman, Yu Sun Bin, Guido Simonelli, Jonathon Pye, Richard Morris, Athula Sumathipala, Sisira H Siribaddana, Matthew Hotopf, Fruhling Rijsdijk, Kaushalya Jayaweera, Nick Glozier
发表日期
2018/12/1
期刊
Sleep health
卷号
4
期号
6
页码范围
543-550
出版商
Elsevier
简介
Objectives
Describe sleep duration in adult Sri Lankans and determine the bias and agreement of self-report and actigraphic assessments.
Design
Validation sub-study nested within the Colombo Twin and Singleton Study (2012-2015).
Setting
Colombo, Sri Lanka.
Participants
175 adults with actigraphy, randomly selected from 3497 participants with self-reported sleep assessed in a population-based cohort.
Measurements
Self-reported sleep duration, ascertained by the Pittsburgh Sleep Quality Index (PSQI), was compared to a minimum of four days of actigraphy. Bias and agreement were assessed using the Bland-Altman method and a novel application of criterion cut-point analysis. Objective measurements of wake after sleep onset (WASO) and sleep efficiency were evaluated.
Results
Sri Lankans have short sleep duration; averaging 6.4h (SD 1.5) self-reported and 6.0h (SD 0.9) actigraphically. Poor sleep quality …
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