Accuracy of self-reported sleep parameters compared with actigraphy in young people with mental ill-health

D J Biddle; R Robillard; Daniel F Hermens; I B Hickie; N Glozier

doi:10.1016/j.sleh.2015.07.006

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Accuracy of self-reported sleep parameters compared with actigraphy in young people with mental ill-health

Journal article

Peer reviewed

Accuracy of self-reported sleep parameters compared with actigraphy in young people with mental ill-health

D J Biddle, R Robillard, Daniel F Hermens, I B Hickie and N Glozier

Sleep Health, Vol.1(3), pp.214-220

2015

DOI: https://doi.org/10.1016/j.sleh.2015.07.006

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Abstract

actigraphy

anxiety

depression

self-report

sleep assessment

validation

young people

Objectives: Validation of self-report assessment of habitual sleep duration and onset time in young people with mental ill-health. Design: Validation sample. Setting: Specialized early intervention centers for young people in Sydney, Australia. Participants: One hundred and forty-six young people with mental ill-health. Intervention: N/A. Measurements: Self-reported habitual sleep duration and onset time were compared against at least 7 days of actigraphy monitoring. Average bias in and calibration of subjective measures were assessed, along with correlation of subjective and objective measures. Differences by age, sex, mental-disorder type, and reported insomnia were also explored. Results: On average, subjective estimates of sleep were unbiased. Overall, each additional hour of objective habitual sleep duration predicted 41 minutes more subjective habitual sleep duration, and each hour later objective habitual sleep onset occurred predicted a 43-minute later subjective habitual sleep onset. There were subgroup differences: subjective habitual sleep duration in self-reported insomnia was shorter than objective duration by 30 minutes (SD = 119), on average. Calibration of habitual sleep duration was worse for those with mood disorders than with other primary diagnoses (t = -2.39, P = .018). Correlation between subjective and objective measures was strong for sleep onset time (Ï = .667, P < .001) and moderate for sleep duration (r = .332, P < .001). For the mood disorder group, subjective and objective sleep durations were uncorrelated. Conclusions: Self-reports seem valid for large-scale studies of habitual sleep duration and onset in help-seeking young people, but assessment of habitual sleep duration requires objective measures where individual accuracy is important. © 2015 National Sleep Foundation.

Details

Title: Accuracy of self-reported sleep parameters compared with actigraphy in young people with mental ill-health
Authors: D J Biddle (Author) - University of Sydney
R Robillard (Author) - University of Sydney
Daniel F Hermens (Author) - University of Sydney
I B Hickie (Author) - University of Sydney
N Glozier (Author) - University of Sydney
Publication details: Sleep Health, Vol.1(3), pp.214-220
Publisher: Elsevier Inc.
DOI: 10.1016/j.sleh.2015.07.006
ISSN: 2352-7218
Organisation Unit: University of the Sunshine Coast, Queensland; Thompson Institute
Language: English
Record Identifier: 99451261502621
Output Type: Journal article

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