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Title: Sleep quality and its impacts on quality of life among military personnel in remote frontier areas and extreme cold environments
Authors: Wang, ZH
Chen, BJ
Li, W
Xie, F
Loke, AY 
Shu, Q
Issue Date: 2020
Source: Health and quality of life outcomes, 2020, v. 18, 227, p. 1-10
Abstract: Background: Poor sleep quality negatively affects the readiness of military operations and is also associated with the development of mental health disorders and decreased quality of life. The purpose of this study was to investigate the sleep quality of military personnel from remote boundaries of China and its relationship with coping strategies, anxiety, and health-related quality of life (HRQoL).
Methods: A cross-sectional survey was performed among military officers and soldiers from a frontier defence department and an extreme cold environment. The participants were surveyed using the Pittsburgh Sleep Quality Index (PSQI), Trait Coping Style Questionnaire (TCSQ), Self-rating Anxiety Scale (SAS), and Short Form Health Survey (SF-36).
Results: A total of 489 military officers and soldiers were included. The participants had a mean age of 22.29 years. The median overall PSQI score was 7.0 (IQR, 4.0 similar to 9.0), with 40.9% (200/489) of the subjects reporting poor sleep quality. The difficulties with sleep were mainly related to daytime dysfunction due to disrupted sleep, sleep latency, and subjective sleep quality. The median score of the SF-36 physical component was 83.5 (IQR, 73.0 similar to 90.5), and the median score of the mental component was 74.1 (IQR, 60.4 similar to 85.1). Significant correlations were found between the PSQI and SF-36 (r = - 0.435, P < 0.01). Anxiety symptoms, marital status, educational background, and global PSQI score were demonstrated as predictors of a low SF-36 physical component by multiple regression analysis (F = 17.06, P < 0.001, R-2 = 0.117).
Conclusions: Sleep difficulty is a prevalent and underestimated problem in the military that negatively influences HRQoL, especially in physical and social functioning. Evaluation of and education on pain were recommended because of body pain and its negative impacts on sleep quality, coping strategies, anxious emotions and HRQoL.
Keywords: Sleep
Military
PSQI
HRQoL
Publisher: BioMed Central
Journal: Health and quality of life outcomes 
EISSN: 1477-7525
DOI: 10.1186/s12955-020-01460-7
Rights: © The Author(s). 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.
The following publication Wang, Z. H., Chen, B. J., Li, W., Xie, F., Loke, A. Y., & Shu, Q. (2020). Sleep quality and its impacts on quality of life among military personnel in remote frontier areas and extreme cold environments. Health and Quality of Life Outcomes, 18, 1-10 is available at https://dx.doi.org/10.1186/s12955-020-01460-7
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