Research Reports - Depression, anxiety, and stress as predictors of postconcussion-like symptoms in a non-clinical sample

Psychiatry Res. 2012 Jun 16

Edmed S, Sullivan K

This study examined the relationship between postconcussion-like symptoms and
depressive symptoms, anxiety and stress respectively. Seventy-one university
students with a negative concussion history completed the Depression Anxiety
Stress Scales (DASS) and the British Columbia Postconcussion Symptom Inventory
(BC-PSI). A multiple regression was conducted using the three DASS subscale
scores as predictors of postconcussion-like symptoms. Depressive symptoms,
anxiety and stress were significantly positively correlated with
postconcussion-like symptoms at the bivariate level. When these three factors
were examined together 72.9% of variance in BC-PSI total scores was explained
overall. Stress and depressive symptoms emerged as significant multivariate
predictors explaining 15% and 3% of unique variance, respectively. Anxiety was
not a significant multivariate predictor. These results suggest that stress may
be a more important predictor of postconcussion-like symptoms than previously
identified. Findings are interpreted in light of Iverson (2012) conceptual model
of poor outcomes from mild traumatic brain injury.

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