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The USC Roybal Institute maintains a regularly updated database of academic literature and relevant research reports that are published by its faculty. The online library is not intended to be exhaustive, but we hope it provides useful information for researchers, policy advocates, health service providers and others who wish to learn more about aging and diverse populations.

Please Note: Many online journals require registration and payment to access full-length versions of articles. Faculty, students and staff at universities and colleges can often access electronic journals through their online campus library network for free or at a minimal cost. Some public libraries also provide such access to its members. Please contact your public or university library for more information.

 

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Alzheimer's & Dementia (2025).
Concepción Barrio, Jiaming Liang, Yvette I. Cordero, María P. Aranda

Participant perspectives on online interventions for diverse caregivers of persons living with dementia

Caregivers reported positive appraisals of the program’s acceptability. Time constraints and a desire for more peer interaction were prominent. Key themes included programmatic features, cultural and gender considerations, program and research participation, and suggestions for improvement.

Innovation in Aging (2025).
Stipica Mudrazija, PhD, MPP; María P Aranda, PhD, MSW, MPA, LCSW

Current and Future Replacement and Opportunity Costs of Family Caregiving for Older Americans With and Without Dementia

Current annual replacement cost of unpaid family care is between $96 and $182 billion, 44 percent of which is accounted for by dementia caregiving. By 2060, it will increase to $277-571 billion, and 53 percent will be for dementia caregiving. The opportunity costs of forgone earnings and productivity loss, however, will grow faster, increasing from current levels of $107 billion and $26 billion to $380 billion and $102 billion, respectively, in 2060. Projections show that opportunity costs of family caregiving will be increasingly borne by caregivers of older adults with dementia and racial/ethnic minoritized caregivers.

JAMA Network Open (2025).
Stipica Mudrazija, PhD, MPP; María P. Aranda, PhD, MSW, MPA; Darrell J. Gaskin, PhD

Economic Burden of Alzheimer Disease and Related Dementias by Race and Ethnicity, 2020 to 2060

The findings of this study suggest that African American and Latino older adults with ADRD and their families are likely to face disproportionately high burdens, primarily associated with unpaid caregiving. Understanding ADRD prevalence, comorbidity, inadequate care, and support policies may attenuate economic burdens for all US residents.

The Laryngoscope (2025).
Hur, K., Gao, J., Adili, A., Tam, B., Herrera, K., Rice, D., Wrobel, B., Wu, S.

Treatment Decision-Making Among Chinese Americans With Chronic Rhinosinusitis

Chinese American patients with refractory CRS are less likely to opt for ESS compared to non-Chinese American patients. Surgical treatment is effective in improving quality of life, as measured by the SNOT-22, among Chinese American CRS patients. Further investigations are warranted to identify factors contributing to surgical hesitancy.

The Gerontologist (2025).
Lewis, C. T., Jang, Y., Elayoubi, J., Sanchez, V. A., Arnold, M. L., Toman, J., & Haley, W. E.

Racial Differences in Discrepancies Between Subjective Ratings and Objective Assessments of Hearing Impairment

While cost of hearing aids has been a predominant explanation of low hearing aid use in Black Americans, false positive perceptions of hearing abilities may also play a significant role as a psychosocial mechanism. Future studies examining racial/ethnic differences in possible psychosocial mechanisms for discrepancies between objective and subjective hearing could guide the development and evaluation of culturally appropriate educational interventions.

Journal of Gerontology: Medical Sciences (2025).
Chanti-Ketterl, M. Aranda, M.P., & Plassman, B.

Ethnic and sex differences in the association between organochlorine exposure and cognitive function in late life

Findings emphasize the importance of examining both the distributions of organochlorines and cognition by ethnicity and sex and their interactions to understand how each may contribute to cognitive health disparities in older adults.

USC Edward R. Roybal Institute on Aging (2021).
USC Edward R. Roybal Institute on Aging

2020 Year in Review

Highlights in research, news and events from the past year from the USC Edward R. Roybal Institute on Aging

Journal of Applied Gerontology (2020).
Yoon, H., Jang, Y., Kim, S., Speasmaker, A., Nam, I.

Trends in Internet Use Among Older Adults in the United States, 2011–2016

Findings confirm the general knowledge that an increased number of the older U.S. population used the internet over the period of 2011–2016. Furthermore, closer inspection indicates that this upward trend does not apply to all, but specifically to those with advanced age, male gender, racial/ethnic minority background, and low educational attainment. Findings provide implications for identifying and prioritizing a target group for internet technology training.

The Gerontologist (2020).
Luo, H., Lou, V. W., Chen, C., & Chi, I.

The effectiveness of the positive mood and active life program on reducing depressive symptoms in long-term care facilities

The study finds that the PMAL program is effective in reducing depressive symptoms of at-risk LTCF residents. It is a feasible intervention that requires minimum resources and can be integrated with standardized assessment systems.

Research for Programa Esperanza (Project Hope) (2019).
Maria P. Aranda, PhD; Wendy J. Mack, PhD; William A. Vega, PhD; Pey-Jiuan Lee, MS; & Lidia Gamulin, MSW, LCSW

PCORI Final Report

PCORI Final Report: Comparing Two Ways to Help Latinx Patients With Depression Who Are Age 50 or Older

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