2025
Developmental timing of index trauma exposure and accelerated epigenetic aging in United States military veterans
Tamman A, Nagamatsu S, Cabrera-Mendoza B, Averill L, Dunn E, Krystal J, Gelernter J, Montalvo-Ortiz J, Polimanti R, Pietrzak R. Developmental timing of index trauma exposure and accelerated epigenetic aging in United States military veterans. Psychoneuroendocrinology 2025, 182: 107568. PMID: 41016323, DOI: 10.1016/j.psyneuen.2025.107568.Peer-Reviewed Original ResearchUnited States military veteransTrauma typesTrauma exposureMilitary veteransNational Health and ResilienceExposure to interpersonal violenceInterpersonal violenceNon-interpersonal traumaVeterans StudySelf-reported ageTrauma characteristicsEpigenetic ageTrauma burdenVeteransChronological ageGrimAgeViolenceGreater oddsDevelopmental timeTraumaYounger ageRecencyLong-term health risksPotential confoundersAgeA Network Analysis of Psychosocial Functioning and Posttraumatic Stress Disorder and Depression Symptoms in a Nationally Representative U.S. Veteran Cohort
Hallenbeck H, Spiller T, Kuhn E, Cloitre M, Pietrzak R. A Network Analysis of Psychosocial Functioning and Posttraumatic Stress Disorder and Depression Symptoms in a Nationally Representative U.S. Veteran Cohort. Psychological Trauma Theory Research Practice And Policy 2025 PMID: 40773343, DOI: 10.1037/tra0002002.Peer-Reviewed Original ResearchPosttraumatic stress disorderPsychosocial functional impairmentStress disorderPsychosocial functioningDepressive symptomsNational Health and ResilienceTrauma-exposed veteransIntensive longitudinal dataPotential targets of interventionTargeting of interventionsSuicidal ideationVeterans StudyU.S. veteransDepressionFunctional impairmentVeteransDisordersVeteran cohortImpairmentGaussian graphical modelsSymptomsLongitudinal dataCross-sectional dataIrritability/angerIdeationMental, Physical, and Social Mediators of the Relationship Between Mild Traumatic Brain Injury and Functional Impairment in U.S. Military Veterans
Meshberg-Cohen S, Ingram P, Cook J, Fischer I, Pietrzak R. Mental, Physical, and Social Mediators of the Relationship Between Mild Traumatic Brain Injury and Functional Impairment in U.S. Military Veterans. Psychiatry 2025, ahead-of-print: 1-14. PMID: 40768645, DOI: 10.1080/00332747.2025.2528524.Peer-Reviewed Original ResearchMild traumatic brain injuryU.S. military veteransMilitary veteransTraumatic brain injurySomatic symptomsCognitive functionSample of U.S. military veteransSymptoms of major depressionNational Health and ResilienceScreening statusPosttraumatic stress disorderFunctional impairmentBrain injuryMajor depressionStress disorderGeneralized anxietyPsychiatric symptomsVeterans StudyPsychosocial functioningMulti-modal interventionMental functioningPsychosocial difficultiesVeteransPhysical functionInjury screeningMilitary Inhalational Exposures Outside the Theater of Conflict and Chronic Respiratory Symptoms
Hosseini R, Garshick E, Slade M, Timmons A, Korpak A, Smith N, Nakayama K, Baird C, Ciminera P, Kheradmand F, Fan V, Hart J, Koutrakis P, Kuschner W, Ioachimescu O, Jerrett M, Montgrain P, Proctor S, Wendt C, Wongtrakool C, Wan E, Blanc P, Redlich C. Military Inhalational Exposures Outside the Theater of Conflict and Chronic Respiratory Symptoms. JAMA Network Open 2025, 8: e2522080. PMID: 40690216, PMCID: PMC12281241, DOI: 10.1001/jamanetworkopen.2025.22080.Peer-Reviewed Original ResearchConceptsChronic respiratory symptomsCross-sectional studyUS veteransAssociated with adverse respiratory health outcomesAdverse respiratory health outcomesMilitary service durationVeterans Affairs sitesRespiratory health outcomesHealth of military personnelAssociated with wheezingRespiratory symptomsLong-term respiratory healthMulti-item questionnaireTheaters of conflictPrevalence of dyspneaUS DepartmentHealth outcomesExposure prevalenceChronic bronchitisVeterans StudyMain OutcomesAdjusted multivariate analysisExposure categoriesChronic lung diseaseOnsite visitsLoneliness Among US Veterans With Problematic Substance Use: Results From the National Health and Resilience in Veterans Study
Na P, Pless Kaiser A, McCurdy L, Fischer I, Jeste D, Petrakis I, Potenza M, Pietrzak R. Loneliness Among US Veterans With Problematic Substance Use: Results From the National Health and Resilience in Veterans Study. Journal Of Addiction Medicine 2025 DOI: 10.1097/adm.0000000000001508.Peer-Reviewed Original ResearchProblematic substance useNational Health and ResilienceSocial network sizeCorrelates of lonelinessVeterans StudyDepressive symptomsUS veteransPsychological distressSubstance useLifetime suicide attemptsPosttraumatic stress symptomsThree-Item Loneliness ScaleUS military veteransPurpose in lifeSuicide attemptsStress symptomsPervasive public health problemBurden of lonelinessLikelihood of lonelinessMilitary veteransNationally Representative SampleLoneliness ScaleMultivariate logistic regressionPublic health problemLonelinessSexual Orientation Moderates the Association Between Health Care Utilization-Related Factors and Mental Health Service Nonutilization Among United States Military Veterans
Chang C, Fischer I, Harper K, Livingston N, Depp C, Norman S, Pietrzak R. Sexual Orientation Moderates the Association Between Health Care Utilization-Related Factors and Mental Health Service Nonutilization Among United States Military Veterans. Psychological Services 2025, 22: 383-394. PMID: 39347751, DOI: 10.1037/ser0000907.Peer-Reviewed Original ResearchHeterosexual veteransSexual minority veteransHealth careMinority veteransMilitary veteransPsychiatric needsMental health treatment utilizationNational Health and ResilienceSource of health careSexual minoritiesVA health careUnited States military veteransU.S. military veteransMental health problemsNationally Representative SampleSexual orientationNon-VADifficulties ScheduleVeterans StudyTreatment utilizationInfluence utilizationRepresentative sampleHealth problemsVeteransMental treatmentIntimate partner violence perpetration and firearm ownership and storage practices among U.S. military veterans
Nichter B, Hill M, Fischer I, Portnoy G, Kachadourian L, Norman S, Pietrzak R. Intimate partner violence perpetration and firearm ownership and storage practices among U.S. military veterans. Journal Of Psychiatric Research 2025, 185: 177-185. PMID: 40185045, DOI: 10.1016/j.jpsychires.2025.03.033.Peer-Reviewed Original ResearchConceptsU.S. military veteransFirearm storage practicesImplementation of public health initiativesIntimate partner violenceMale veteransMilitary veteransNational Health and ResiliencePromote safe firearm storageFirearm ownersPublic health initiativesPopulation-based dataNationally Representative SampleFirearm ownershipHealth initiativesVeterans StudyElevated oddsFirearm storagePrevention effortsRepresentative sampleLifetime prevalenceStorage practicesIntimate partner violence useVeteransViolence prevention effortsScreening effortsPhysical health correlates of co-occurring chronic pain and PTSD Among U.S. Veterans: Results from a nationally representative study
Reed D, Fischer I, Williams R, Na P, Engel C, Pietrzak R. Physical health correlates of co-occurring chronic pain and PTSD Among U.S. Veterans: Results from a nationally representative study. Psychiatry Research 2025, 348: 116440. PMID: 40088518, DOI: 10.1016/j.psychres.2025.116440.Peer-Reviewed Original ResearchConceptsPhysical health conditionsCo-occurring chronic painPosttraumatic stress disorderHealth conditionsChronic painU.S. veteransNational Health and ResilienceNon-Hispanic whitesMental health concernsPhysical health correlatesPosttraumatic Stress Disorder ChecklistPosttraumatic stress disorder diagnosisU.S. veteran populationNationally Representative SamplePhysical functionLogistic regression analysisPsychosocial burdenVeterans StudyVeteran populationSelf-ReportDSM-5Representative sampleStress disorderVeteransHealth concernNegative Aging Stereotypes and Clinical Insomnia in Older U.S. Military Veterans
Boyle J, Fischer I, Bashian H, Moye J, Levy B, Pietrzak R. Negative Aging Stereotypes and Clinical Insomnia in Older U.S. Military Veterans. The Gerontologist 2025, 65: gnaf036. PMID: 39878650, PMCID: PMC12116882, DOI: 10.1093/geront/gnaf036.Peer-Reviewed Original ResearchNegative age stereotypesAge stereotypesClinical insomniaEmotional agingInsomnia symptomsU.S. veteransAssociated with clinical insomniaNational Health and ResilienceEndorsement of negative stereotypesOlder United StatesMultivariate regression analysisU.S. military veteransNegative stereotypesClinical insomnia symptomsNegative perceptions of agingAssociated with significantly greater oddsNationally Representative SampleImproving overall sleep qualityPerceptions of agingOverall sleep qualityRegression analysisVeterans StudyMilitary veteransOlder veteransInsomniaResilience and Vulnerability: Suicide-Specific Cognitions in a Nationally Representative Sample of US Military Veterans.
Fischer I, Nichter B, Trachik B, Bryan C, Pietrzak R. Resilience and Vulnerability: Suicide-Specific Cognitions in a Nationally Representative Sample of US Military Veterans. The Primary Care Companion For CNS Disorders 2025, 27 PMID: 39823445, DOI: 10.4088/pcc.24m03821.Peer-Reviewed Original ResearchConceptsSuicide-specific cognitionsNationally Representative SampleUS military veteransSuicide riskMilitary veteransActivities of daily livingNational Health and ResilienceSample of US military veteransSuicide Cognitions ScalePrevalence of veteransPositive psychological traitsReduce suicide riskAdverse childhood experiencesDaily livingPsychosocial characteristicsSocial supportVeterans StudyUS veteransSuicidal behaviorSuicidal ideationCognitive scalesRepresentative samplePsychological traitsElevated riskSocial connectedness
2024
Identifying transdiagnostic traumatic stress reactions in U.S. military veterans: A nationally representative study
Pugach C, Adams S, Wisco B, Pietrzak R. Identifying transdiagnostic traumatic stress reactions in U.S. military veterans: A nationally representative study. Journal Of Traumatic Stress 2024, 38: 259-271. PMID: 39682069, PMCID: PMC11967292, DOI: 10.1002/jts.23119.Peer-Reviewed Original ResearchPosttraumatic stress disorderTraumatic stress reactionsU.S. military veteransDysphoric arousalMilitary veteransSelf-reported posttraumatic stress disorderPosttraumatic stress disorder symptomsNational Health and ResilienceStress reactionsComorbid psychopathologyPsychopathological symptomsGeneralized anxietyStress disorderDiagnostic subtypesVeterans StudyDepressive symptomsLatent class analysisTrauma historySymptom differencesU.S. veteransPsychopathologyMental functioningPsychosocial correlatesArousalFunctional impairmentHappiness in US military veterans: Results from a nationally representative study
Kang H, Fischer I, Na P, Pietrzak R. Happiness in US military veterans: Results from a nationally representative study. PLOS ONE 2024, 19: e0313609. PMID: 39661580, PMCID: PMC11633995, DOI: 10.1371/journal.pone.0313609.Peer-Reviewed Original ResearchConceptsUS military veteransMilitary veteransNational Health and ResilienceWhole Health approachEmotional stabilityMean happiness scoreWell-beingPerception of well-beingSeverity of depressive symptomsNationally Representative SampleCorrelates of happinessMeasures of optimismVeterans' perceptionsPsychosocial characteristicsVeterans StudySubjective well-beingDepressive symptomsHealth approachRepresentative sampleHigher optimismVeteransHappiness scoresGreater happinessAnalyzed dataUS DepartmentIdentifying Factors Linked to Current Patterns of Alcohol Consumption in U.S. Veterans with a History of Alcohol Use Disorder
Jalilian-Khave L, Stefanovics E, Potenza M, Pietrzak R. Identifying Factors Linked to Current Patterns of Alcohol Consumption in U.S. Veterans with a History of Alcohol Use Disorder. International Journal Of Mental Health And Addiction 2024, 1-18. DOI: 10.1007/s11469-024-01412-y.Peer-Reviewed Original ResearchHistory of alcohol use disorderAlcohol use disorderUse disorderU.S. veteransHazardous drinkingNational Health and ResilienceLifetime history of alcohol use disorderLifetime alcohol use disorderAlcohol use problemsDrug use disordersPatterns of alcohol consumptionAlcohol use patternsHigher education levelNationally Representative SampleMultinomial logistic regression analysisVeterans StudyLifetime historyLifetime traumaAlcohol consumption patternsQuality of lifeNon-VeteransLogistic regression analysisPsychosocial traitsTreatment effortsPsychosocial factorsLoneliness Trajectories in U.S. Military Veterans: A 3-Year Longitudinal Study of Risk and Protective Factors
Ong A, Cintron D, Rottenberg J, Panaite V, Fischer I, Na P, Jeste D, Pietrzak R. Loneliness Trajectories in U.S. Military Veterans: A 3-Year Longitudinal Study of Risk and Protective Factors. The Journals Of Gerontology Series B 2024, 79: gbae171. PMID: 39390809, DOI: 10.1093/geronb/gbae171.Peer-Reviewed Original ResearchGrowth mixture modelingU.S. military veteransLoneliness trajectoriesMilitary veteransLongitudinal Study of RiskNational Health and ResilienceEarly life adversitySelf-report ratingsProtective factorsWorse cognitive functionMental health concernsPhysical health outcomesHealth concernAdverse childhood experiencesRisk factorsLongitudinal cohort studyStudy of riskNationally Representative SamplePotential psychosocial riskPromote social connectednessSignificant public health concernVeterans StudyLife adversityThree-step regression analysisCognitive functionGambling and Substance Use Disorders in U.S. Military Veterans: Prevalence, Clinical Characteristics, and Suicide Risk
Stefanovics E, Potenza M, Tsai J, Pietrzak R. Gambling and Substance Use Disorders in U.S. Military Veterans: Prevalence, Clinical Characteristics, and Suicide Risk. Journal Of Gambling Studies 2024, 40: 2119-2139. PMID: 39342537, DOI: 10.1007/s10899-024-10359-7.Peer-Reviewed Original ResearchSubstance use disordersU.S. military veteransMental health treatmentGambling groupSUD-onlySuicide riskHealth treatmentMilitary veteransNon-Suicidal Self-InjuryLifetime substance use disorderNational Health and ResilienceRisk of substance use disordersSUD-only groupSelf-report measuresMental health difficultiesAdverse childhood experiencesMental health burdenPast-year gamblingSelf-injurySuicidality/self-harmVeterans StudyUse disorderNicotine dependenceTrauma variablesBehavioral correlatesMild Traumatic Brain Injury in U.S. Military Veterans: Results from the National Health and Resilience in Veterans Study
Meshberg-Cohen S, Cook J, Fischer I, Pietrzak R. Mild Traumatic Brain Injury in U.S. Military Veterans: Results from the National Health and Resilience in Veterans Study. Psychiatry 2024, 87: 314-328. PMID: 39186319, DOI: 10.1080/00332747.2024.2392226.Peer-Reviewed Original ResearchMild traumatic brain injuryNational Health and ResilienceU.S. military veteransPsychosocial functioningTraumatic brain injuryVeterans StudyMilitary veteransCurrent posttraumatic stress disorderOutcomes of mild traumatic brain injuryLifetime psychiatric conditionsGeneralized anxiety disorderComorbid psychiatric diagnosesPosttraumatic stress disorderPoor psychosocial functioningMild traumatic brain injury eventDrug use disordersBrain injuryPrevention of disabilityAssociated with increased oddsAnxiety disordersDepressive disorderStress disorderPsychiatric diagnosisMTBI symptomsPsychiatric characteristicsSuccessful Aging in US Veterans with Mental Disorders: Results From the National Health and Resilience in Veterans Study
Shin J, Fischer I, Na P, Jeste D, Pietrzak R. Successful Aging in US Veterans with Mental Disorders: Results From the National Health and Resilience in Veterans Study. American Journal Of Geriatric Psychiatry 2024, 33: 85-91. PMID: 39214753, DOI: 10.1016/j.jagp.2024.07.018.Peer-Reviewed Original ResearchGeneralized anxiety disorderPosttraumatic stress disorderMental disordersSomatic symptomsNational Health and ResilienceUS military veteransSuccessful agingAnxiety disordersDepressive disorderUS veteransStress disorderPromote successful agingHigher gratitudeVeterans StudyMilitary veteransInterventions targeting psychosocial factorsOne-in-fiveVeteransMDDDisordersPsychosocial factorsGratitudeNegative associationSymptomsMultivariate logistic regressionBarriers to Mental Health Care in US Military Veterans
Lewis C, Fischer I, Tsai J, Harpaz-Rotem I, Pietrzak R. Barriers to Mental Health Care in US Military Veterans. Psychiatric Quarterly 2024, 95: 367-383. PMID: 38940875, DOI: 10.1007/s11126-024-10078-7.Peer-Reviewed Original ResearchMental health careMental health treatmentHealth careHealth treatmentReduce barriersUS veteransNegative beliefsInstrumental barriersNational Health and ResiliencePromote engagementMental health servicesPopulation-based effortsUS military veteransNationally representative dataMultivariate logistic regressionPerceived stigmaHealth servicesSocial supportPsychiatric needsVeterans StudyPractical barriersLow purposeConclusionsNearly halfMilitary veteransCareObstructive respiratory disease in U.S. veterans: Prevalence, characteristics, and health burden
Bamonti P, Fischer I, Moye J, Poghosyan H, Pietrzak R. Obstructive respiratory disease in U.S. veterans: Prevalence, characteristics, and health burden. Journal Of Psychiatric Research 2024, 176: 140-147. PMID: 38857555, DOI: 10.1016/j.jpsychires.2024.05.053.Peer-Reviewed Original ResearchPhysical health burdenNationally Representative SampleU.S. veteransObstructive respiratory diseaseHealth burdenRepresentative sampleNational Health and ResiliencePhysical health characteristicsRespiratory diseaseSecondary data analysisSevere somatic symptomsHealth characteristicsVA healthcareVeterans StudyTrauma burdenLow-incomeSomatic symptomsPosttraumatic stressMultivariate regression analysisVeteransMedical conditionsCurrent suicidal ideationGeneralized anxiety disorderMedical comorbiditiesNicotine use disorderCo-occurring Chronic Pain and PTSD Among US Military Veterans: Prevalence, Correlates, and Functioning
Reed D, Fischer I, Williams R, Na P, Pietrzak R. Co-occurring Chronic Pain and PTSD Among US Military Veterans: Prevalence, Correlates, and Functioning. Journal Of General Internal Medicine 2024, 39: 2009-2016. PMID: 38780882, PMCID: PMC11306465, DOI: 10.1007/s11606-024-08803-w.Peer-Reviewed Original ResearchCo-occurring chronic painNationally Representative SampleChronic painPosttraumatic stress disorderPsychosocial functioningUS veteransPatient Health Questionnaire-4Representative sampleShort-Form Health Survey-8Prevalence of chronic painNational Health and ResilienceAlcohol Use Disorders Identification TestChronic pain diagnosesDiagnosis of chronic painDisorders Identification TestCognitive Functioning ScaleMeasures of psychosocial functioningUS military veteransSelf-report itemsPosttraumatic Stress Disorder ChecklistHealth careVeterans StudyPain diagnosisFunctional scalesSuicidal Behaviors Questionnaire-Revised
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