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Predicting mood outcome following traumatic brain injury (TBI): PTA & demographic variables

Skilbeck, C, Thomas, M and Holm, K 2019 , 'Predicting mood outcome following traumatic brain injury (TBI): PTA & demographic variables' , Brain Impairment , pp. 1-21 , doi: 10.1017/BrImp.2019.13.

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Background and aims: Mood disturbance is frequent after traumatic brain injury (TBI), often assessedusing the Hospital Anxiety and Depression Scale (HADS). Research supports a three-factor HADS structure (anxiety, depression, and psychomotor), although this has not been used to investigate demographicvariables and mood outcome post-TBI. This study examined severity of TBI, demographic variables [age,gender, estimated premorbid IQ (EIQ), relationship status, employment status, socio-economic status(SES)], and mood outcome, using HADS factor scores from a large adult population sample in Tasmania.Method: HADS factor scores were calculated for an initial sample of 596 adults. The sample sizes variedaccording to those attending at 1, 6, 12 and 24 months post-TBI and the available data for each dependentvariable.Results: Significantly higher anxiety, depression, and psychomotor scores were reported at mostfollow-ups by females, the middle-aged, and those with lower IQs. Longer post-traumatic amnesia(PTA) was associated with significantly greater mood problems. Occasional significant findings at earlierfollow-ups for the factors were noted for those unemployed. Other variables were rarely significant. PTA,premorbid IQ, and Age were included in most Multiple Regression equations predicting outcome for thefactors, with Gender included for Anxiety and depression at 6 months after injury.Conclusions: Key demographic variables and PTA severity relate to mood post-TBI, and contribute topredicting mood outcome. Differences in findings for the three factors support their use in clinical practice.

Item Type: Article
Authors/Creators:Skilbeck, C and Thomas, M and Holm, K
Keywords: traumatic brain injury, hospital anxiety and depression scale, mood prediction, demographic variables, gender, age, IQ, relationship status, employment status, socio-economic status
Journal or Publication Title: Brain Impairment
Publisher: Cambridge University Press
ISSN: 1443-9646
DOI / ID Number: 10.1017/BrImp.2019.13
Copyright Information:

Copyright 2019 Australasian Society for the Study of Brain Impairment

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