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Measurement properties of the minimal insomnia symptom scale (MISS) in adolescents

Hedin, Gita LU ; Garmy, Pernilla LU orcid ; Norell-Clarke, Annika ; Tønnesen, Hanne LU ; Hagell, Peter LU and Westergren, Albert LU (2022) In Sleep Science and Practice 6. p.1-14
Abstract
Background
The Minimal Insomnia Symptom Scale (MISS) is a three-item screening instrument that has been found to be psychometrically sound and capable of screening for insomnia among adults and older people. This study aimed to test the measurement properties of the MISS together with an additional item focusing on daytime functioning among adolescents using the Rasch measurement model.

Methods
A cross-sectional design was used, and data from adolescents (age 13–17 years, n = 3022) were analyzed using the Rasch measurement model.

Results
The MISS had good measurement properties. When adding the item “daytime disturbance”, the measurement properties deteriorated. When replacing the original MISS item “not... (More)
Background
The Minimal Insomnia Symptom Scale (MISS) is a three-item screening instrument that has been found to be psychometrically sound and capable of screening for insomnia among adults and older people. This study aimed to test the measurement properties of the MISS together with an additional item focusing on daytime functioning among adolescents using the Rasch measurement model.

Methods
A cross-sectional design was used, and data from adolescents (age 13–17 years, n = 3022) were analyzed using the Rasch measurement model.

Results
The MISS had good measurement properties. When adding the item “daytime disturbance”, the measurement properties deteriorated. When replacing the original MISS item “not rested by sleep” with the item “daytime disturbance”, the measurement properties slightly improved. We label this new scale the MISS-Revised (MISS-R). The reliability was better for the MISS-R (0.55) compared to the MISS (0.50). The optimal cut-off was found to be > 6 points, both for the MISS and the MISS-R.

Conclusions
This study provides general support that both the MISS as well as the MISS-R have good fit to the Rasch model. At this stage, neither the MISS nor the MISS-R can be advocated over the other for use among adolescents, although the MISS-R had slightly better reliability than the MISS. Additional studies are needed to determine the clinically optimal cut-score for identification of insomnia. (Less)
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author
; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Sleep Science and Practice
volume
6
article number
5
pages
1 - 14
DOI
10.1186/s41606-022-00075-9
project
Sleep, media habits and lifestyle in adolescents
language
English
LU publication?
yes
id
d8957e9f-9f3f-4278-b1c8-16f5b3a03843
date added to LUP
2022-09-26 09:26:29
date last changed
2022-09-26 09:26:29
@article{d8957e9f-9f3f-4278-b1c8-16f5b3a03843,
  abstract     = {{Background<br/>The Minimal Insomnia Symptom Scale (MISS) is a three-item screening instrument that has been found to be psychometrically sound and capable of screening for insomnia among adults and older people. This study aimed to test the measurement properties of the MISS together with an additional item focusing on daytime functioning among adolescents using the Rasch measurement model.<br/><br/>Methods<br/>A cross-sectional design was used, and data from adolescents (age 13–17 years, n = 3022) were analyzed using the Rasch measurement model.<br/><br/>Results<br/>The MISS had good measurement properties. When adding the item “daytime disturbance”, the measurement properties deteriorated. When replacing the original MISS item “not rested by sleep” with the item “daytime disturbance”, the measurement properties slightly improved. We label this new scale the MISS-Revised (MISS-R). The reliability was better for the MISS-R (0.55) compared to the MISS (0.50). The optimal cut-off was found to be &gt; 6 points, both for the MISS and the MISS-R.<br/><br/>Conclusions<br/>This study provides general support that both the MISS as well as the MISS-R have good fit to the Rasch model. At this stage, neither the MISS nor the MISS-R can be advocated over the other for use among adolescents, although the MISS-R had slightly better reliability than the MISS. Additional studies are needed to determine the clinically optimal cut-score for identification of insomnia.}},
  author       = {{Hedin, Gita and Garmy, Pernilla and Norell-Clarke, Annika and Tønnesen, Hanne and Hagell, Peter and Westergren, Albert}},
  language     = {{eng}},
  pages        = {{1--14}},
  series       = {{Sleep Science and Practice}},
  title        = {{Measurement properties of the minimal insomnia symptom scale (MISS) in adolescents}},
  url          = {{http://dx.doi.org/10.1186/s41606-022-00075-9}},
  doi          = {{10.1186/s41606-022-00075-9}},
  volume       = {{6}},
  year         = {{2022}},
}