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Development and early validation of a patient reported outcome measure to assess sleep amongst people experiencing problems with alcohol or other drugs

Neale, J, Vitoratou, S, Lennon, P, Meadows, Robert, Nettleton, S, Panebianco, D, Strang, J and Marsden, J (2018) Development and early validation of a patient reported outcome measure to assess sleep amongst people experiencing problems with alcohol or other drugs Sleep, 41 (4), zsy013. pp. 1-14.

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Abstract

Study Objectives:

To develop a patient reported outcome measure to assess sleep amongst people experiencing problems with alcohol or other drugs.

Methods:

Item development included secondary analyses of qualitative interviews with drug/alcohol users in residential treatment, a review of validated sleep measures, focus groups with drug/alcohol users in residential treatment, and feedback from drug/alcohol users recruited from community and residential settings. An initial version of the measure was completed by 549 current and former drug/alcohol users (442 in person [IP] and 107 online [OL]). Analyses comprised classical test theory methods, exploratory and confirmatory factor analysis, measurement invariance assessment, and item response theory (IRT).

Results:

The initial measure (30 items) had good content and face validity, and was named the Substance Use Sleep Scale (SUSS) by addiction service users. After 7 items were removed due to low item-factor loadings, 2 factors were retained and labelled: ‘Mind and Body Sleep Problems’ (14 items) and ‘Substance Related Sleep Problems’ (9 items). Measurement invariance was confirmed with respect to gender, age, and administration format. IRT (information) and classical test theory (internal consistency, stability) indicated measure reliability. Standard parametric and non-parametric techniques supported convergent and discriminant validity.

Conclusions:

SUSS is an easy-to-complete patient reported outcome measure of sleep for people with drug/alcohol problems. It can be used by those concerned about their own sleep, and by treatment providers and researchers seeking to better understand, assess, and potentially treat sleep difficulties amongst this population. Further validity testing with larger and more diverse samples is now required.

Item Type: Article
Divisions : Faculty of Arts and Social Sciences > Department of Sociology
Authors :
NameEmailORCID
Neale, J
Vitoratou, S
Lennon, P
Meadows, RobertR.Meadows@surrey.ac.uk
Nettleton, S
Panebianco, D
Strang, J
Marsden, J
Date : 10 January 2018
Identification Number : 10.1093/sleep/zsy013
Copyright Disclaimer : © Sleep Research Society 2018. Published by Oxford University Press [on behalf of the Sleep Research Society]. This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs licence (http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial reproduction and distribution of the work, in any medium, provided the original work is not altered or transformed in any way, and that the work is properly cited. For commercial re-use, please contact journals.permissions@oup.com
Uncontrolled Keywords : Sleep, measurement, PROM, drugs, alcohol, addiction treatment
Depositing User : Melanie Hughes
Date Deposited : 03 Jan 2018 14:34
Last Modified : 15 May 2018 17:08
URI: http://epubs.surrey.ac.uk/id/eprint/845523

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