J Neuropsychiatry Clin Neurosci 21:181-188, Spring
doi: 10.1176/appi.neuropsych.21.2.181
© 2009 American Neuropsychiatric Association
Factor Analysis of the Rivermead Post-Concussion Symptoms Questionnaire in Mild-to-Moderate Traumatic Brain Injury Patients
Nathan Herrmann, M.D.,
Mark J. Rapoport, M.D.,
Ryan D. Rajaram, M.Sc.,
Florance Chan, M.Sc.,
Alex Kiss, Ph.D.,
Andrew K. Ma, B.Sc.,
Anthony Feinstein, M.D.,
Scott MCCullagh, M.D. and
Krista L. Lanctôt, Ph.D.
Received January 7, 2008; revised May 1, 2008; accepted May 12, 2008. The authors are affiliated with Sunnybrook Health Sciences Centre in Toronto, Ontario. Address correspondence to Dr. Krista L. Lanctôt, Department of Psychiatry, Rm FG05, Sunnybrook Health Sciences Centre, 2075 Bayview Ave., Toronto, Ontario, M4N 3M5, Canada.
Posttraumatic brain injury patients with depressive symptoms were compared with nondepressed mild and moderate traumatic brain injury (TBI) patients based on their scores on the Rivermead Post-Concussion Symptoms Questionnaire (RPCSQ). A factor analysis demonstrated that the items of the RPCSQ loaded into three factors: mood and cognition, general somatic, and visual somatic symptom groups. Factor scores based on this model were calculated for each group and it was found that depressed subjects reported a greater severity of all three symptom groups compared to nondepressed patients. These results suggest that depression post-TBI may influence patient perception of postconcussion symptoms.
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