Associations Between Traumatic Brain Injury Characteristics and Memory Outcomes: Insights from the Health and Retirement Study

Eric S. Cerino (), Monica R. Lininger, Thomasina J. Seaton, Gillian Porter and Julie A. Baldwin
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Eric S. Cerino: Department of Psychological Sciences, Northern Arizona University, Flagstaff, AZ 86011, USA
Monica R. Lininger: Center for Health Equity Research, Northern Arizona University, Flagstaff, AZ 86011, USA
Thomasina J. Seaton: Department of Psychological Sciences, Northern Arizona University, Flagstaff, AZ 86011, USA
Gillian Porter: Department of Occupational Therapy, Northern Arizona University, Phoenix, AZ 85004, USA
Julie A. Baldwin: Center for Health Equity Research, Northern Arizona University, Flagstaff, AZ 86011, USA

IJERPH, 2025, vol. 22, issue 2, 1-17

Abstract: Traumatic brain injury (TBI) is an established risk factor for accelerated cognitive decline and increased dementia risk. The specific characteristics of TBI (e.g., type of head trauma, presence of a gap in memory, age of onset) that confer the greatest risk to cognitive health remain comparatively less clear. Using data from the 2014 Health and Retirement Study (HRS) experimental module, we examined associations between TBI characteristics and memory outcomes in a national adult lifespan sample. We tested whether the age of onset and presence of a memory gap in TBI resulting from a vehicle accident, from a fall or being hit, or from playing sports or playing on a playground were associated with self-rated memory and recall memory performance in a subsample of HRS respondents across the adult lifespan ( N = 414, mean age = 66.28, SD = 9.70, 52% female). In cases where participants reported TBI from three different types of injury (vehicle accident, fall, and playing sports or playing on a playground), they shared whether they experienced a gap in their memory and their age when the head trauma occurred. Participants also reported on self-rated memory and performed a recall memory task. Hierarchical linear regression models were adjusted for age, sex, race, ethnicity, education, and self-rated health. Older age of onset for TBI from a fall was associated with worse self-rated memory (Est. = −0.11, SE = 0.04, p = 0.01) and recall performance (Est. = −0.33, SE = 0.15, p = 0.03). Encountering a memory gap from the TBI that resulted from a vehicle accident (Est. = −0.22, SE = 0.10, p = 0.03), a fall (Est. = −0.23, SE = 0.09, p = 0.01), and from playing sports or playing on a playground (Est. = −0.40, SE = −0.13, p < 0.01) were all significantly associated with worse self-rated memory. Links between encountering a memory gap and recall performance were comparatively scant. Results indicate the impact of TBI on memory varies as a function of type of trauma, age of onset, and presence of memory gap from the head trauma. Our study takes a preclinical, preventative approach to inform public health efforts that target the mitigation of specific types of head trauma at different developmental phases of the lifespan.

Keywords: traumatic brain injury; cognitive health; memory; preclinical dementia risk factors; preventative health (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2025
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