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2025

Changes in Long-term Services and Supports Among Adults with and without Dementia During the First Year of the COVID-19 Pandemic

Yulya Truskinovsky, Vicki Freedman, Geoffrey Hoffman, Amanda Leggett, Emily Wiemers

2025

Older adults living with dementia enrolled in similar Medicare Advantage plans compared to those without dementia.

Lianlian Lei, Donovan Maust, Claire Ankuda, Geoffrey Hoffman, Hyungjin Kim, Julie Strominger, Helen Levy

Alzheimers Dement Behav Socioecon Aging, 2025

2024

Partner Plan Choices and Medicare Advantage Enrollment Decisions Among Older Adults.

Lianlian Lei, Helen Levy, Claire Ankuda, Geoffrey Hoffman, Hyungjin Kim, Julie Strominger, Donovan Maust

JAMA, 2024

Achieving goal-concordant care: Formal and informal advance care planning for White, Black, and Hispanic older adults.

Rachel Lenko, Geoffrey Hoffman, Sheria Robinson-Lane, Maria Silveira, Terri Voepel-Lewis

Journal of the American Geriatrics Society, 2024

2022

Time to dementia diagnosis by race: a retrospective cohort study.

Matthew Davis, Kathryn Lee, Melissa Harris, Jinkyung Ha, Kenneth Langa, Julie Bynum, Geoffrey Hoffman

Journal of the American Geriatrics Society, 2022

Racial and Ethnic Differences in Informal and Formal Advance Care Planning Among U.S. Older Adults.

Rachel Lenko, Terri Voepel-Lewis, Sheria Robinson-Lane, Maria Silveira, Geoffrey Hoffman

Journal of Aging and Health, 2022

Medicare spending associated with a dementia diagnosis among older adults.

Geoffrey Hoffman, Donovan Maust, Melissa Harris, Jinkyung Ha, Matthew Davis

Journal of the American Geriatrics Society, 2022

Depressive Symptoms and Caregiving Intensity Before and After Onset of Dementia in Partners: A Retrospective, Observational Study.

Melissa Harris, Josh Errickson, Jinkyung Ha, Geoffrey Hoffman

Medical Care, 2022

2021

Physical Activity and Falls Among a National Cohort of Older Veterans

Dan Marciniak, Neil Alexander, Geoffrey Hoffman

Journal of Applied Gerontology, 2021

Associations Between Alzheimer’s Disease and Related Dementias and Depressive Symptoms of Partner Caregivers

Melissa Harris, Marita Titler, Geoffrey Hoffman

Journal of Applied Gerontology, 2021

Skilled Nursing Facilities Modify the Relationship Between Depressive Symptoms and Hospital Readmissions but Not Health Outcomes Among Older Adults.

Leah Abrams, Geoffrey Hoffman

Journal of Aging and Health, 2021

Impact of Medicare Eligibility on Informal Caregiving for Surgery and Stroke

Ana DeRoo, Jinkyung Ha, Alexandra Norcott, Scott Regenbogen, Geoffrey Hoffman

Health Services Research, 2021

2020

Is social capital protective against hospital readmissions?

Hanna Zlotnick, Geoffrey Hoffman, Ushapoorna Nuliyalu, Tedi Engler, Kenneth Langa, Andrew Ryan

BMC Health Services Research, 2020

Prehospital and Posthospital Fall Injuries in Older US Adults

Geoffrey Hoffman, Mary Tinetti, Jinkyung Ha, Neil Alexander, Lillian Min

JAMA Network Open, 2020

Are Improvements Still Needed to the Modified Hospital Readmissions Reduction Program: a Health and Retirement Study (2000-2014)?

Charleen Hsuan, Thomas Braun, Ninez Ponce, Geoffrey Hoffman

Journal of General Internal Medicine, 2020

Using Medicare claims in identifying Alzheimer's disease and related dementias.

Siddharth Jain, Paul Rosenbaum, Joseph Reiter, Geoffrey Hoffman, Dylan Small, Jinkyung Ha, Alexander Hill, David Wolk, Timothy Gaulton, Mark Neuman, Roderic Eckenhoff, Lee Fleisher, Jeffrey Silber

Alzheimer's & Dementia, 2020

2019

Interdependence in Health and Functioning Among Older Spousal Caregivers and Care Recipients.

Geoffrey Hoffman, Sarah Burgard, Carolyn Mendez-Luck, Joseph Gaugler

Western Journal of Nursing Research, 2019

Measurement of Fall Injury With Health Care System Data and Assessment of Inclusiveness and Validity of Measurement Models

Lillian Min, Mary Tinetti, Kenneth Langa, Jinkyung Ha, Neil Alexander, Geoffrey Hoffman

JAMA Network Open, 2019

2018

Underreporting of Fall Injuries of Older Adults: Implications for Wellness Visit Fall Risk Screening.

Geoffrey Hoffman, Jinkyung Ha, Neil Alexander, Kenneth Langa, Mary Tinetti, Lillian Min

Journal of the American Geriatrics Society, 2018

Health Equity and Hospital Readmissions: Does Inclusion of Patient Functional and Social Complexity Improve Predictiveness?

Geoffrey Hoffman, Charleen Hsuan, Thomas Braun, Ninez Ponce

Journal of General Internal Medicine, 2018

2017

Depressive symptomatology and fall risk among community-dwelling older adults.

Geoffrey Hoffman, Ron Hays, Steven Wallace, Martin Shapiro, Susan Ettner

Social Science & Medicine, 2017

The Costs of Fall-Related Injuries among Older Adults: Annual Per-Faller, Service Component, and Patient Out-of-Pocket Costs.

Geoffrey Hoffman, Ron Hays, Martin Shapiro, Steven Wallace, Susan Ettner

Health Serv Res, 2017

Receipt of Caregiving and Fall Risk in US Community-dwelling Older Adults.

Geoffrey Hoffman, Ron Hays, Steven Wallace, Martin Shapiro, Olga Yakusheva, Susan Ettner

Med Care, 2017

2016

Claims-based Identification Methods and the Cost of Fall-related Injuries Among US Older Adults.

Geoffrey Hoffman, Ron Hays, Martin Shapiro, Steven Wallace, Susan Ettner

Med Care, 2016

2015

Risk Predictors, Outcomes, and Costs of Falls among Older Adults Living in the Community

Geoffrey Hoffman, Susan Ettner

University of California, Los Angeles, 2015

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