Principal components analysis of the Neurobehavioral Symptom Inventory in a nonclinical civilian sample

Sullivan, Karen A. & Lurie, Janine K. (2016) Principal components analysis of the Neurobehavioral Symptom Inventory in a nonclinical civilian sample. Applied Neuropsychology: Adult. (In Press)

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The study examined the component structure of the Neurobehavioral Symptom Inventory (NSI) under five different models. The evaluated models comprised the full NSI (NSI-22) and the NSI-20 (NSI minus two orphan items). A civilian nonclinical sample was used. The 575 volunteers were predominantly university students who screened negative for mild TBI. The study design was cross-sectional, with questionnaires administered online. The main measure was the Neurobehavioral Symptom Inventory. Subscale, total and embedded validity scores were derived (the Validity-10, the LOW6, and the NIM5). In both models, the principal components analysis yielded two intercorrelated components (psychological and somatic/sensory) with acceptable internal consistency (alphas > 0.80). In this civilian nonclinical sample, the NSI had two underlying components. These components represent psychological and somatic/sensory neurobehavioral symptoms.

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ID Code: 97641
Item Type: Journal Article
Refereed: Yes
Keywords: Concussion, minor head injury, postconcussion, traumatic brain injury
DOI: 10.1080/23279095.2016.1216433
ISSN: 2327-9109
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Psychology & Counselling
Copyright Owner: Copyright 2016 Taylor & Francis
Deposited On: 24 Aug 2016 23:00
Last Modified: 25 Aug 2016 22:33

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