Effort test failure: Toward a predictive model

James W. Webb, Jennifer Batchelor, Susanne Meares, Alan Taylor, Nigel V. Marsh

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Predictors of effort test failure were examined in an archival sample of 555 traumatically brain-injured (TBI) adults. Logistic regression models were used to examine whether compensation-seeking, injury-related, psychological, demographic, and cultural factors predicted effort test failure (ETF). ETF was significantly associated with compensation-seeking (OR=3.51, 95% CI [1.25, 9.79]), low education (OR:. 83 [.74,. 94]), self-reported mood disorder (OR: 5.53 [3.10, 9.85]), exaggerated displays of behavior (OR: 5.84 [2.15, 15.84]), psychotic illness (OR: 12.86 [3.21, 51.44]), being foreign-born (OR: 5.10 [2.35, 11.06]), having sustained a workplace accident (OR: 4.60 [2.40, 8.81]), and mild traumatic brain injury severity compared with very severe traumatic brain injury severity (OR: 0.37 [0.13, 0.995]). ETF was associated with a broader range of statistical predictors than has previously been identified and the relative importance of psychological and behavioral predictors of ETF was evident in the logistic regression model. Variables that might potentially extend the model of ETF are identified for future research efforts.

LanguageEnglish
Pages1377-1396
Number of pages20
JournalClinical Neuropsychologist
Volume26
Issue number8
DOIs
Publication statusPublished - 1 Nov 2012

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Logistic Models
Brain Concussion
Psychology
Mood Disorders
Workplace
Accidents
Demography
Education
Wounds and Injuries
Brain
Predictors
Traumatic Brain Injury
Psychological
Logistic Regression

Cite this

Webb, James W. ; Batchelor, Jennifer ; Meares, Susanne ; Taylor, Alan ; Marsh, Nigel V. / Effort test failure : Toward a predictive model. In: Clinical Neuropsychologist. 2012 ; Vol. 26, No. 8. pp. 1377-1396.
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Effort test failure : Toward a predictive model. / Webb, James W.; Batchelor, Jennifer; Meares, Susanne; Taylor, Alan; Marsh, Nigel V.

In: Clinical Neuropsychologist, Vol. 26, No. 8, 01.11.2012, p. 1377-1396.

Research output: Contribution to journalArticleResearchpeer-review

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