Psychophysiological relationships between a multi-component self-report measure of mood, stress and behavioural signs and symptoms, and physiological stress responses during a simulated firefighting deployment

Wolkow, Alexander, Aisbett, Brad, Ferguson, Sally A., Reynolds, John and Main, Luana C. 2016, Psychophysiological relationships between a multi-component self-report measure of mood, stress and behavioural signs and symptoms, and physiological stress responses during a simulated firefighting deployment, International journal of psychophysiology, vol. 110, pp. 109-118, doi: 10.1016/j.ijpsycho.2016.10.015.

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Title Psychophysiological relationships between a multi-component self-report measure of mood, stress and behavioural signs and symptoms, and physiological stress responses during a simulated firefighting deployment
Author(s) Wolkow, Alexander
Aisbett, BradORCID iD for Aisbett, Brad orcid.org/0000-0001-8077-0272
Ferguson, Sally A.
Reynolds, John
Main, Luana C.ORCID iD for Main, Luana C. orcid.org/0000-0002-9576-9466
Journal name International journal of psychophysiology
Volume number 110
Start page 109
End page 118
Total pages 10
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2016-12
ISSN 1872-7697
Keyword(s) Cortisol
Cytokines
Firefighters
Occupational stress
Psychophysiological
Social Sciences
Science & Technology
Life Sciences & Biomedicine
Psychology, Biological
Neurosciences
Physiology
Psychology
Psychology, Experimental
Neurosciences & Neurology
DIURNAL CORTISOL SECRETION
CORONARY-HEART-DISEASE
INFLAMMATORY MARKERS
SLEEP LOSS
BRAIN COMMUNICATION
ECCENTRIC EXERCISE
PERCEIVED STRESS
SUBSTANCE USE
HEALTHY-MEN
DEPRESSION
Summary Physical work and sleep loss are wildland firefighting demands that elicit psychological and physiological stress responses. Research shows that these responses are statistically related which presents an opportunity to use subjective psychological questionnaires to monitor physiological changes among firefighters; an approach used extensively in sport settings. The aim of the present study was to investigate if changes in self-reported psychological factors on the multi-component training distress scale (MTDS), relate to cytokines and cortisol levels among firefighters completing three days of simulated physical firefighting work separated by an 8-h or restricted 4-h sleep each night. Each day firefighters completed the MTDS in the morning and salivary cortisol and inflammatory cytokines were measured throughout the day. When sleep restricted, firefighters demonstrated increases in MTDS factors of general fatigue, perceived stress and depressed mood that were related to elevated cytokines (TNF-α, IL-8, IL-10, IL-6) and cortisol. Conversely, firefighters who had an 8-h sleep demonstrated a positive relationship between physical signs and symptoms and elevated IL-6, while depressed mood was inversely related to decreasing cortisol and cytokines (IL-6, TNF-α, IL-10). Findings highlight the utility of the MTDS to detect psychological changes that reflect physiological responses among firefighters. Future research that establishes thresholds for specific factors which predict health-related physiological changes, will allow fire agencies implement multi-component measures to monitor and manage the health of personnel on the fire-ground.
Language eng
DOI 10.1016/j.ijpsycho.2016.10.015
Field of Research 111199 Nutrition and Dietetics not elsewhere classified
Socio Economic Objective 970111 Expanding Knowledge in the Medical and Health Sciences
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2016, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30090532

Document type: Journal Article
Collection: School of Exercise and Nutrition Sciences
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