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Background: Veterans have an increased risk of developing Alzheimer disease and related dementia (ADRD) due to military exposures such as traumatic brain injury. There is a lack of information on home- and community-based services (HCBS) use among Veterans who served in the post-9/11 era and their caregivers. Objective: This study aims to (1) quantify HCBS use among post-9/11 Veterans with or at higher risk of ADRD, (2) identify facilitators, barriers, and preferences for HCBS among Veterans and family caregivers, and (3) prioritize HCBS interventions with input from Veterans and family caregivers. Methods: This study will include post-9/11 Veterans aged 65 years or younger with early-onset Alzheimer disease or frontotemporal dementia (current ADRD), and Veterans at elevated ADRD risk due to traumatic brain injury or cognitive dysfunction. Veterans' family caregivers will also be recruited. Secondary data will come from the Department of Veterans Affairs (VA), the Department of Defense, and a previous neurotrauma study. Using VA data augmented with Centers for Medicare and Medicaid Services data, we will characterize HCBS utilization. To address aim 1, we will calculate the crude and adjusted cumulative frequency of HCBS use and the proportion of Veterans using a service among Veterans with ADRD, and those at higher and lower risk for ADRD. We will compare groups using t tests for continuous measures (number of services) and chi-square tests for categorical measures (any service use). To address aim 2, we will interview Veterans and caregivers to identify facilitators and barriers to HCBS use. We will use descriptive content analysis, including rich descriptions, coding, and theme identification. Finally, to address aim 3, we will use a modified Delphi approach to identify and rank HCBS modifications that would increase use. Using the ranking data, we will consider items to have consensus on high importance if 70% or more respond "important" or "very important." Participants for primary data collection will be recruited from prior studies, VA health systems data, VA clinics, and Veteran- and caregiver-serving organizations. Results: This study was reviewed by the institutional review boards of the University of Utah, Salt Lake City Veterans Affairs, and UT Health at San Antonio and classified as exempt. The 46,053 Veterans in the preliminary aim 1 cohort (903 with early-onset Alzheimer disease/frontotemporal dementia and 45,150 at-risk Veterans matched on age and index year) averaged 55 years old at the index date and were mostly male (38,842/46,053, 84%) and non-Hispanic White (28,016/46,053, 61%). Conclusions: This study will quantify current HCBS use and identify barriers and needs of Veterans with or at higher risk of ADRD and their caregivers. It will identify HCBS modifications that have consensus for needed changes, which will be shared with health system leaders.
Bouldin et al. (Thu,) studied this question.