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Title: Poor Sleep Quality Mediates Between Depression To Fatigue In A University Student Sample
Contributor(s): Valpiani, Erica M (author); Brown, Rhonda  (author); Thorsteinsson, Einar B  (author)orcid ; Hine, Donald W  (author)orcid 
Publication Date: 2011
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Abstract: Objective: Anxiety, depression and fatigue are frequently co-morbid disorders that are often related to poor sleep quality, although the nature of these associations is not well understood. In this study we examined mediation and moderation between anxiety, depression, poor sleep quality and subjective fatigue. Methods: A short survey assessing anxiety, depression, fatigue and sleep was administered to 140 university students. Results: Anxiety, depression and poor sleep quality predicted 48% of the variance in fatigue score. Poor sleep quality mediated (but not moderated) between depression to fatigue, but it did not mediate or moderate between anxiety to fatigue. Conclusions: These results suggest that sleep disturbance may be an important contributor to fatigue in depressed (but not anxious) students. Thus, sleep hygiene training (e.g., reducing ruminations) might be expected to improve fatigue in depressed students, but not necessarily those with a primary anxiety disorder.
Publication Type: Journal Article
Source of Publication: Psychology and Education: An Interdisciplinary Journal, 48(1&2), p. 59-71
Publisher: South Carolina State University
Place of Publication: United States of America
ISSN: 1553-6939
Fields of Research (FoR) 2008: 110319 Psychiatry (incl Psychotherapy)
170106 Health, Clinical and Counselling Psychology
Socio-Economic Objective (SEO) 2008: 920199 Clinical Health (Organs, Diseases and Abnormal Conditions) not elsewhere classified
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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Appears in Collections:Journal Article
School of Psychology

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