Publications by authors named "Ian Fischer"

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Intimate partner violence in United States military veterans: Results from the National Health and Resilience in Veterans Study.
Lorig K Kachadourian, Ian C Fischer, Candice Presseau, Galina A Portnoy, Robert H Pietrzak

J Affect Disord· February 2026

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Comparing probable subthreshold and full PTSD prevalence in older versus younger veterans.
Sadie E Larsen, Rachel S Chavin, Jessica Flores, Emily A Muñoz, Hema Y Prabhu, Ian C Fischer

J Affect Disord· February 2026

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Mental, Physical, and Social Mediators of the Relationship Between Mild Traumatic Brain Injury and Functional Impairment in U.S. Military Veterans.
Sarah Meshberg-Cohen, Polly Ingram, Joan M Cook, Ian C Fischer, Robert H Pietrzak

Psychiatry· December 2025

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Prevalence and correlates of subjective cognitive decline in older United States military Veterans: Results from the National Health and Resilience in Veterans Study.
Michael F Georgescu, Ian C Fischer, May A Beydoun, Robert H Pietrzak

J Alzheimers Dis· December 2025

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Subjective cognitive decline among older U.S. military veterans: A 3-year, nationally representative, longitudinal study.
Michael F Georgescu, Ian C Fischer, May A Beydoun, Viola Vaccarino, Robert H Pietrzak

J Alzheimers Dis Rep· December 2025

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Trauma, multimorbidity, and functional resilience in U.S. veterans.
Atreya Manaswi, Alina Yang, Ian C Fischer, Peter J Na, Robert H Pietrzak

J Psychiatr Res· December 2025

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Longitudinal Predictors of Insomnia in a Population-Based Sample of U.S. Military Veterans.
Brandon Nichter, Melanie L Hill, Ian Fischer, Benjamin Trachik, Courtney Worley

J Sleep Res· October 2025

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Identifying Factors Linked to a Higher Prevalence of Posttraumatic Stress Disorder Among Younger US Military Veterans.
Jordan R Hathorn, Ian C Fischer, Peter J Na, Robert H Pietrzak

J Clin Psychiatry· September 2025

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Incidence and risk factors for subthreshold insomnia among U.S. military veterans: a population-based, longitudinal study.
Brandon Nichter, Melanie L Hill, Ian C Fischer, Peter J Na, Ashley M Schnakenberg Martin

Sleep Med· August 2025

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Physical health correlates of co-occurring chronic pain and PTSD Among U.S. Veterans: Results from a nationally representative study.
David E Reed, Ian C Fischer, Rhonda M Williams, Peter J Na, Charles C Engel

Psychiatry Res· June 2025

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Optimism moderates the relationship between inflammatory polygenic risk and major depressive disorder in U.S. Military veterans.
Ian C Fischer, Cassie Overstreet, Brenda Cabrera-Mendoza, Dan Qiu, John H Krystal

World J Biol Psychiatry· June 2025

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Psychometric properties and socio-demographic correlates of the Connor-Davidson Resilience Scale in three large population-based cohorts including Danish and Icelandic adults.
Maria Didriksen, Hilda Daníelsdottir, Marín Dögg Bjarnadóttir, Cassie Overstreet, Karmel W Choi, Ian C Fischer

J Mood Anxiety Disord· June 2025

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Mindfulness in U.S. Military Veterans: Prevalence, Correlates, and Functional Significance.
Hun Kang, Ian C Fischer, Peter J Na, Robert H Pietrzak

Clin Psychol Psychother· May 2025

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Intimate partner violence perpetration and firearm ownership and storage practices among U.S. military veterans.
Brandon Nichter, Melanie L Hill, Ian C Fischer, Galina A Portnoy, Lorig K Kachadourian

J Psychiatr Res· May 2025

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Psychosocial Correlates of Optimism Among US Military Veterans.
Rick Yang, Ian C Fischer, Peter J Na, Robert H Pietrzak

J Clin Psychiatry· April 2025

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Negative Aging Stereotypes and Clinical Insomnia in Older U.S. Military Veterans.
Julia T Boyle, Ian Fischer, Hannah M Bashian, Jennifer Moye, Becca R Levy

Gerontologist· March 2025

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Trauma-related nightmares among U.S. veterans: Findings from a nationally representative study.
Courtney B Worley, Sarah Meshberg-Cohen, Ian C Fischer, Robert H Pietrzak

Sleep Med· February 2025

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Posttraumatic Stress Disorder, Obesity, and Accelerated Epigenetic Aging Among US Military Veterans.
Ian C Fischer, Peter J Na, Sheila T Nagamatsu, Dilip V Jeste, Brenda Cabrera-Mendoza

JAMA Psychiatry· December 2024

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Happiness in US military veterans: Results from a nationally representative study.
Hun Kang, Ian C Fischer, Peter J Na, Robert H Pietrzak

PLoS One· December 2024

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Sex Differences in PTSD Among US Military Veterans: Role of Trauma, Coping, and Social Factors.
Rick Yang, Ian C Fischer, Peter J Na, Carolyn M Mazure, Robert H Pietrzak

J Clin Psychiatry· December 2024

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Prevalence, Correlates, and Burden of Subthreshold PTSD in US Veterans.
Ian C Fischer, Peter J Na, Ilan Harpaz-Rotem, Brian P Marx, Robert H Pietrzak

J Clin Psychiatry· October 2024

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