Abstract
Objective: This study explored the relationship between concussion history and cognition/mood in former collegiate athletes in middle-to-later adulthood. Method: 407 former collegiate athletes aged 50+ (M = 61.4; 62.7% male) participated in the College Level Aging AThlete Study (CLEAATS) and completed the Cognitive Function Instrument (CFI), 40-item Telephone Interview for Cognitive Status (TICS-40), PHQ-8, GAD-7, and self-report questionnaires, including concussion history. Kruskal-Wallis tests assessed for differences among groups based on concussion history (0, 1–2, 3–4, 5+ concussions). Hierarchical multiple regressions including demographic factors as covariates examined relationships between concussion history, emotional symptoms, and subjective/objective cognition. Results: Participants with 5+ concussions reported significantly greater subjective cognitive concerns and depressive symptoms than other concussion groups, but no differences were found in objective cognition. Hierarchical regression revealed concussion history and emotional symptoms explained 29% and 15% of the variance in subjective and objective cognition, respectively. The number of concussions accounted for unique variance in subjective cognition but was not significantly associated when mood symptoms were added to the model. Neither diagnosed concussions nor emotional symptoms were associated with objective cognition. Conclusions: When accounting for concussion history, those with 5+ concussions reported greater subjective cognitive symptoms than those with 0–2 concussions, and greater depressive symptoms than those with 0 concussions. Concussion history was not significantly related to subjective cognition when compared to mood, and concussion history and mood symptoms were not associated with objective cognition. Results highlight the importance of considering mood symptoms when evaluating the relationship between concussion history and cognition in former athletes.
Published Version
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