Jennifer A. Schrack - Publications, H-index & Citations

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Jennifer A. Schrack

johns hopkins university

46H-index

462Paper Count

8.4KCitation Count

Published Papers 207

Publication Date

Intensity of physical therapy interventions in the intensive care unit: An exploratory analysis

Australian Critical Care

IF2.7

2026-05-28

PREAI

Stephanie L. Hiser; Abhinandan Chittal; Marie Diener-West; Jennifer A. Schrack; Dale M. Needham

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Social factors, wearable activity tracker use frequency, and physical activity patterns among U.S. older adults: findings from a national cross-sectional survey

BMC Geriatrics

IF3.8

2026-04-23

OAAI

Mengchi Li; Chakra Budhathoki; Hae-Ra Han; Sarah L. Szanton; Jennifer A. Schrack; Junxin Li

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Cognitive frailty and pre-cognitive frailty in Chinese middle-aged and older adults: prevalence, risk factors, mortality

CRITICAL PUBLIC HEALTH

IF2.3

2026-01-22

PREAI

Ning, Hongting; Feng, Hui; Nowrangi, Milap A.; Schrack, Jennifer A.; Du, Yan; Li, Mengchi; Jiang, Xiaojian; Li, Junxin

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Associations of accelerometer-estimated sleep with cardiorespiratory fitness and energetic efficiency among middle-aged and older adults

JOURNALS OF GERONTOLOGY SERIES A-BIOLOGICAL SCIENCES AND MEDICAL SCIENCES

IF3.8

2026-01-01

PREAI

Callow, Daniel D.; Yue, Yiwei; Diallo, Idiatou; Rabinowitz, Jill A.; An, Yang; Alfini, Alfonso J.; Wu, Mark N.; Wanigatunga, Sarah K.; Wanigatunga, Amal A.; Ferrucci, Luigi; Simonsick, Eleanor M.; Schrack, Jennifer A.; Spira, Adam P.

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Drawing inferences about Medicare mortality from the National Health and Aging Trends Study: response to Gill et al.

JOURNALS OF GERONTOLOGY SERIES A-BIOLOGICAL SCIENCES AND MEDICAL SCIENCES

IF3.8

2026-01-01

PREAI

Freedman, Vicki A.; Schrack, Jennifer A.

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Two-week heart rate variability measurements and lung health: a cross-sectional analysis in the ARIC study

RESPIRATORY MEDICINE

IF3.1

2025-11-01

OAAI

MacDonald, David M.; Adabag, Selcuk; Chen, Lin Yee; Wang, Wendy; Juraschek, Stephen; Raju, Sarath; Schrack, Jennifer A.; Soliman, Elsayed Z.; Wu, Hau-Tieng; Kunisaki, Ken M.; Lutsey, Pamela L.

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The effect of long-term adherence to physical activity recommendations in midlife on plasma proteins associated with frailty in the Atherosclerosis Risk in Communities (ARIC) study

European Journal of Epidemiology

IF5.9

2025-10-27

OAAI

Fangyu Liu; Jennifer A. Schrack; Keenan A. Walker; Jeremy Walston; Rasika A. Mathias; Michael E. Griswold; Priya Palta; B. Gwen Windham; John W. Jackson

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Harmonizing late-life cognitive performance data across two population-based cohort studies: The Health and Retirement Study and National Health and Aging Trends Study

Alzheimer's & Dementia: Diagnosis, Assessment & Disease Monitoring

IF4.4

2025-10-13

OAAI

Diefei Chen; Vishaldeep Kaur Sekhon; David L. Roth; Vicki A. Freedman; Jennifer A. Schrack; Adam P. Spira; Emerson M. Wickwire; Jennifer S. Albrecht; Atul Malhotra; Christopher N. Kaufmann; Alden L. Gross

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Differences in Physical Activity Assessed by Accelerometry across Hemodialysis Days and Shifts

CLINICAL JOURNAL OF THE AMERICAN SOCIETY OF NEPHROLOGY

IF7.1

2025-10-01

PREAI

Martinez-Amezcua, Pablo; Fuentes-Mercado, Alfredo; Etzkorn, Lacey H.; Schrack, Jennifer A.; Jaime-Borja, Erika Elizabet; Garza-Romero, Fernanda; Gopar-Nieto, Rodrigo; Madero, Magdalena; Lopez-Gil, Salvador

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Prevalence and Characteristics of Prehabilitation Utilization among Older Medicare Beneficiaries Undergoing Elective Inpatient Lower Extremity Joint Replacement

Archives of Physical Medicine and Rehabilitation

IF3.7

2025-07-16

PREAI

Jenni S. Reiff; Jennifer L. Wolff; John McGready; Jennifer Schrack; Tracy Mroz; Lisa Reider

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Response to: Refining the clinical interpretation of activity variability in cognitive impairment: The need for phenotypic specificity

alzheimers dementia translational research clinical interventions

IF0

2025-06-29

OAAI

Patrick T. Donahue; Jennifer A. Schrack; Johannes Thrul; Michelle C. Carlson

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Off the Grid: Reaching the Most Socially Isolated Among Us

Journal of the American Geriatrics Society

IF4.5

2025-06-18

PREAI

Mary Louise Pomeroy; Katherine A. Ornstein; Jennifer A. Schrack; Thomas K. M. Cudjoe

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Co-calibration of cognitive performance in the National Health and Aging Trends Study with the Health and Retirement Study's Harmonized Cognitive Assessment Protocol: Implications for dementia classification☆

SSM-POPULATION HEALTH

IF3.1

2025-06-01

OAAI

Yuan S. Zhang; Alden L. Gross; Ryan J. Dougherty; Lindsay C. Kobayashi; Jennifer A. Schrack; Vicki A. Freedman

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Hearing Intervention, Social Isolation, and Loneliness A Secondary Analysis of the ACHIEVE Randomized Clinical Trial

JAMA INTERNAL MEDICINE

IF23.3

2025-05-12

PREAI

Reed, Nicholas S.; Chen, Jinyu; Huang, Alison R.; Pike, James R.; Arnold, Michelle; Burgard, Sheila; Chen, Ziheng; Chisolm, Theresa; Couper, David; Cudjoe, Thomas K. M.; Deal, Jennifer A.; Goman, Adele M.; Glynn, Nancy W.; Gmelin, Theresa; Gravens-Mueller, Lisa; Hayden, Kathleen M.; Mitchell, Christine M.; Mosley, Thomas; Oh, Esther S.; Pankow, James S.; Sanchez, Victoria A.; Schrack, Jennifer A.; Lin, Frank R.

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Inclusive Mobility: Dismantling transportation injustice at the intersection of race and disability

Disability and Health Journal

IF3.3

2025-05-06

PREAI

Erica Twardzik; Michael R. Desjardins; Frank C. Curriero; Bonnielin K. Swenor; John W. Jackson; Jennifer A. Schrack; Keshia M. Pollack Porter

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Directionality between cognitive function and daily physical activity patterns

ALZHEIMERS & DEMENTIA-TRANSLATIONAL RESEARCH & CLINICAL INTERVENTIONS

IF6.8

2025-04-11

OAAI

Marino, FR; Deal, JA; Gross, AL; An, Y; Tian, Q; Simonsick, EM; Ferrucci, L; Resnick, SM; Schrack, JA; Wanigatunga, AA

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Activity variability: A novel physical activity metric and its association with cognitive impairment

ALZHEIMERS & DEMENTIA-TRANSLATIONAL RESEARCH & CLINICAL INTERVENTIONS

IF6.8

2025-04-10

OAAI

Donahue, PT; Schrack, JA; Thrul, J; Carlson, MC

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Physical activity complexity, cognition, and risk of cognitive impairment and dementia in the Baltimore Longitudinal Study of Aging

ALZHEIMERS & DEMENTIA-TRANSLATIONAL RESEARCH & CLINICAL INTERVENTIONS

IF6.8

2025-04-09

OAAI

Cai, YR; Zhou, JH; Scott, PW; Tian, Q; Wanigatunga, AA; Lipsitz, L; Simonsick, EM; Resnick, SM; Ferrucci, L; Ren, DX; Lingler, JH; Schrack, JA

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Mid-life physical activity and calcification of coronary arteries, aorta, and cardiac valves in late life: The Atherosclerosis Risk in Communities (ARIC) study

ATHEROSCLEROSIS

IF5.7

2025-03-01

PREAI

Mok, Yejin; Ballew, Shoshana H.; Schrack, Jennifer A.; Howard, Candace M.; Butler, Kenneth R.; Wagenknecht, Lynne; Coresh, Josef; Budoff, Matthew; Tanaka, Hirofumi; Blaha, Michael J.; Matsushita, Kunihiro

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Moderate-to-Vigorous Physical Activity at any Dose Reduces All-Cause Dementia Risk Regardless of Frailty Status

JOURNAL OF THE AMERICAN MEDICAL DIRECTORS ASSOCIATION

IF3.8

2025-03-01

PREAI

Wanigatunga, Amal A.; Dong, Yiwen; Jin, Mu; Leroux, Andrew; Cui, Erjia; Zhou, Xinkai; Zhao, Angela; Schrack, Jennifer A.; Bandeen-Roche, Karen; Walston, Jeremy D.; Xue, Qian-Li; Lindquist, Martin A.; Crainiceanu, Ciprian M.

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Research Directions