2024
Happiness 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 DepartmentPosttraumatic Stress Disorder, Obesity, and Accelerated Epigenetic Aging Among US Military Veterans
Fischer I, Na P, Nagamatsu S, Jeste D, Cabrera-Mendoza B, Montalvo-Ortiz J, Krystal J, Polimanti R, Gelernter J, Pietrzak R. Posttraumatic Stress Disorder, Obesity, and Accelerated Epigenetic Aging Among US Military Veterans. JAMA Psychiatry 2024, 81 PMID: 39476130, PMCID: PMC11581715, DOI: 10.1001/jamapsychiatry.2024.3403.Peer-Reviewed Original ResearchPrevalence, Correlates, and Burden of Subthreshold PTSD in US Veterans.
Fischer I, Na P, Harpaz-Rotem I, Marx B, Pietrzak R. Prevalence, Correlates, and Burden of Subthreshold PTSD in US Veterans. The Journal Of Clinical Psychiatry 2024, 85 PMID: 39480145, DOI: 10.4088/jcp.24m15465.Peer-Reviewed Original ResearchConceptsSubthreshold posttraumatic stress disorderPosttraumatic stress disorderPosttraumatic stress disorder symptom clustersLifetime psychiatric disordersUS veteransUS military veteransSymptom-related distressStress disorderPsychiatric disordersSymptom clustersTreating veteransCriterion AMilitary veteransTraumatic eventsCognitive functionWorking case definitionMental healthCriterion FFunctional impairmentVeteransNationally representative sampleFunctional correlatesDisordersElevated oddsGreater oddsLoneliness 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 functionPersistent distress related to systemic racism among black veterans in the United States
Whealin J, Jegede O, Na P, Haeny A, Pietrzak R. Persistent distress related to systemic racism among black veterans in the United States. Journal Of Affective Disorders 2024, 365: 375-378. PMID: 39147153, DOI: 10.1016/j.jad.2024.08.052.Peer-Reviewed Original ResearchAdverse mental health sequelaeRisk of mental health problemsMilitary veteransIncreased risk of mental health problemsEthnic minority veteransSystemic racismMental health sequelaeMental health problemsUse of self-reportsEthnic minority populationsNationally representative sampleUS military veteransMultinomial logistic regression analysisSignificant emotional burdenStudy periodNon-veteransLogistic regression analysisEmotional burdenMinority veteransBlack veteransUS veteransHealth sequelaeBaseline assessmentHealthcare systemUS populationSuccessful 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 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 regressionPsychological Factors, Physical Conditions, and Functioning Among US Veterans
Fischer I, Na P, Feldman D, Krist A, Kudler H, Jeste D, Pietrzak R. Psychological Factors, Physical Conditions, and Functioning Among US Veterans. JAMA Network Open 2024, 7: e2427382. PMID: 39120905, PMCID: PMC11316230, DOI: 10.1001/jamanetworkopen.2024.27382.Peer-Reviewed Original ResearchWell-being domains in U.S. military veterans: identifying modifiable factors to promote whole health
Fischer I, Na P, Feldman D, Krist A, Kudler H, Jeste D, Pietrzak R. Well-being domains in U.S. military veterans: identifying modifiable factors to promote whole health. International Psychogeriatrics 2024, 36: 979-985. PMID: 38770709, DOI: 10.1017/s1041610224000589.Peer-Reviewed Original ResearchU.S. military veteransPromotion of overall healthModifiable factorsWell-beingU.S. Department of Veterans AffairsMilitary veteransDepartment of Veterans AffairsAnalyzed cross-sectional dataModel of healthcareDisease-centred modelNationally representative samplePromote well-beingWell-being domainsWhole healthCross-sectional dataModifiable healthVeterans AffairsSocial supportPsychosocial correlatesOverall healthSocioeconomic well-beingU.S. veteransDisease preventionSocioeconomic domainsRepresentative sampleFunctional significance of posttraumatic growth in U.S. military veterans
Gower T, Fischer I, Tsai J, Kang H, Na P, Tedeschi R, Pietrzak R. Functional significance of posttraumatic growth in U.S. military veterans. Journal Of Affective Disorders 2024, 356: 267-273. PMID: 38614442, DOI: 10.1016/j.jad.2024.04.046.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderPosttraumatic stress disorder symptomsPosttraumatic growthPsychosocial functioningTraumatic eventsTrauma-exposed U.S. veteransNational Health and ResilienceMale veteran samplePost-trauma functioningPattern of findingsRetrospective self-reportsU.S. military veteransVeteran sampleStress disorderVeterans StudyExamined relationsCross-sectional designMilitary veteransNationally representative sampleU.S. veteransAssociated with functionsPhysical functionClinical interventionsPsychosocial characteristicsVeteransProblem Opioid Use Among US Military Veterans: Prevalence, Correlates, and Psychiatric Characteristics
Na P, Petrakis I, Krystal J, Pietrzak R. Problem Opioid Use Among US Military Veterans: Prevalence, Correlates, and Psychiatric Characteristics. Journal Of Addiction Medicine 2024, 18: 313-318. PMID: 38498625, PMCID: PMC11150085, DOI: 10.1097/adm.0000000000001286.Peer-Reviewed Original ResearchInstrumental activities of daily livingInstrumental activities of daily living disabilityLifetime suicide attemptsProblem opioid useUS military veteransUS veteransPsychiatric characteristicsSuicide attemptsMilitary veteransAssociated with black race/ethnicityActivities of daily livingNational Health and ResilienceLifetime alcohol use disorderMental health morbidityPosttraumatic stress disorderMental health disordersAlcohol use disorderNon-Hispanic race/ethnicityMultivariate logistic regression modelNationally representative sampleOpioid useLogistic regression modelsInstrumental activitiesHealth morbidityDaily livingProblematic Alcohol Use Trajectories in U.S. Military Veterans during a Public Health Crisis: Results from a 3-year, Nationally Representative, Longitudinal Study
Na P, Fischer I, Petrakis I, Pietrzak R. Problematic Alcohol Use Trajectories in U.S. Military Veterans during a Public Health Crisis: Results from a 3-year, Nationally Representative, Longitudinal Study. Psychiatric Quarterly 2024, 95: 157-171. PMID: 38319532, PMCID: PMC11521206, DOI: 10.1007/s11126-024-10067-w.Peer-Reviewed Original ResearchConceptsDrug use disordersProblematic alcohol useAlcohol use trajectoriesLow social supportAdverse childhood experiencesAlcohol useGreater household incomeSocial supportUS veteransLongitudinal studyNational Health and ResilienceLatent growth mixture modelingU.S. military veteransHousehold incomeGrowth mixture modelingNon-household membersCOVID-19 pandemicVeterans StudyUse disorderMilitary veteransChildhood experiencesPublic health crisisPsychosocial characteristicsPrevention effortsVeteransFirearm storage practices among military veterans in the United States: Findings from a nationally representative survey
Nichter B, Hill M, Fischer I, Panza K, Kline A, Na P, Norman S, Rowcliffe M, Pietrzak R. Firearm storage practices among military veterans in the United States: Findings from a nationally representative survey. Journal Of Affective Disorders 2024, 351: 82-89. PMID: 38280567, DOI: 10.1016/j.jad.2024.01.179.Peer-Reviewed Original ResearchConceptsFirearm storage practicesContemporary population-based dataNational Health and ResiliencePromote safe firearm storageTrauma exposureAssociated with increased risk of suicidePopulation-based dataCross-sectional designStorage of firearmsAssociated with increased riskRisk of suicideNationally representative surveyDrug use disordersHealthcare professionalsSociodemographic characteristicsVeterans StudyFirearm storageTraumatic brain injuryU.S. veteransService membersMilitary veteransStorage practicesTraining initiativesVeteransRisk status
2023
Functional decline during the COVID‐19 pandemic among U.S. military veterans: Results from the National Health and Resilience in Veterans Study
Morse J, Fischer I, Na P, Afari N, Pietrzak R. Functional decline during the COVID‐19 pandemic among U.S. military veterans: Results from the National Health and Resilience in Veterans Study. International Journal Of Geriatric Psychiatry 2023, 38: e6040. PMID: 38072628, DOI: 10.1002/gps.6040.Peer-Reviewed Original ResearchConceptsAdverse childhood experiencesFunctional declineU.S. military veteransGreater adverse childhood experiencesNational HealthPhysical functioningVeterans StudyIdentification of veteransSubstantial health problemPhysical functional declineMilitary veteransMental functioningU.S. adult populationStress symptomsStrongest correlatePrevalence of veteransProtective psychosocial characteristicsMultivariable analysisPosttraumatic stress symptomsHealth problemsU.S. veteransAdult populationImprovement 1Coronavirus diseaseOlder agePosttraumatic Growth in U.S. Military Veterans: Results from the National Health and Resilience in Veterans Study
Kang H, Fischer I, Dickinson S, Na P, Tsai J, Tedeschi R, Pietrzak R. Posttraumatic Growth in U.S. Military Veterans: Results from the National Health and Resilience in Veterans Study. Psychiatric Quarterly 2023, 95: 17-32. PMID: 37938492, DOI: 10.1007/s11126-023-10061-8.Peer-Reviewed Original ResearchPosttraumatic growthU.S. military veteransPTSD symptomsTraumatic eventsPosttraumatic stress disorder (PTSD) symptomsPositive psychological changesVeterans StudyMilitary veteransGreater posttraumatic growthTrauma-exposed veteransIntrinsic religiosityPTSD symptom severitySevere PTSD symptomsHigh-risk sampleIntrusive symptomsDisorder symptomsPsychological changesPTG levelsTraumatic experiencesPTSD ChecklistVeteran samplePsychosocial characteristicsSymptom clustersDSM-5Symptom severityChanges in mental health among U.S. military veterans during the COVID-19 pandemic: A network analysis
Spiller T, Na P, Merians A, Duek O, Ben-Zion Z, Tsai J, von Känel R, Harpaz-Rotem I, Pietrzak R. Changes in mental health among U.S. military veterans during the COVID-19 pandemic: A network analysis. Journal Of Psychiatric Research 2023, 165: 352-359. PMID: 37595331, DOI: 10.1016/j.jpsychires.2023.08.003.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderSymptoms of PTSDTraumatic eventsPosttraumatic growthU.S. military veteransPTSD symptomsSuicidal ideationMental healthMilitary veteransIncrease of symptomsPopulation-based sampleCOVID-19 pandemicFirst yearStress disorderMost veteransSymptomsFirst monthPsychopathological symptomsGeneral resilienceGroup levelAnxietyVeteransIndividual reactionsDepressionSubtle increasePandemic-related posttraumatic psychological growth in U.S. military veterans: A 3-year, nationally representative, longitudinal study
Kang H, Na P, Fischer I, Tsai J, Tedeschi R, Pietrzak R. Pandemic-related posttraumatic psychological growth in U.S. military veterans: A 3-year, nationally representative, longitudinal study. Psychiatry Research 2023, 326: 115370. PMID: 37499281, DOI: 10.1016/j.psychres.2023.115370.Peer-Reviewed Original ResearchConceptsPosttraumatic growthU.S. military veteransPost-pandemic onsetDomains of PTGPositive psychological changesMilitary veteransPosttraumatic stress symptomsLongitudinal studyEarly life traumaPsychological growthPsychological changesPsychosocial interventionsStress symptomsLife traumaCOVID-19 vaccineVeterans StudyGreater worryMental healthStrongest correlateFull sampleNational HealthVeteransSignificant decreaseOnsetPrevalenceCOVID-19-related media consumption and posttraumatic stress symptoms in U.S. military veterans: A nationally representative, longitudinal study
Whealin J, Fischer I, Na P, Pietrzak R. COVID-19-related media consumption and posttraumatic stress symptoms in U.S. military veterans: A nationally representative, longitudinal study. Psychiatry Research 2023, 326: 115354. PMID: 37480676, DOI: 10.1016/j.psychres.2023.115354.Peer-Reviewed Original ResearchFirearm Ownership Among a Nationally Representative Sample of U.S. Veterans
Fischer I, Aunon F, Nichter B, Hill M, Panza K, Kline A, Na P, Tsai J, Harpaz-Rotem I, Pietrzak R. Firearm Ownership Among a Nationally Representative Sample of U.S. Veterans. American Journal Of Preventive Medicine 2023, 65: 1129-1133. PMID: 37354925, DOI: 10.1016/j.amepre.2023.06.013.Peer-Reviewed Original ResearchConceptsU.S. veteransMultivariable logistic regression analysisLogistic regression analysisAlcohol use disorderSuicide prevention effortsU.S. military veteransNationally Representative SampleMale sexTrauma burdenNational HealthRepresentative sampleFirearm ownershipChi-square analysisUse disordersFirearm safetyIndependent sample t-testLifetime historyVeterans StudyPrevention effortsPsychiatric variablesMilitary veteransVeteransRegression analysisT-testSignificant main effectLongitudinal Trends in Suicidal Thoughts and Behaviors Among US Military Veterans During the COVID-19 Pandemic
Fischer I, Nichter B, Na P, Norman S, Krystal J, Pietrzak R. Longitudinal Trends in Suicidal Thoughts and Behaviors Among US Military Veterans During the COVID-19 Pandemic. JAMA Psychiatry 2023, 80: 577-584. PMID: 37017978, PMCID: PMC10077136, DOI: 10.1001/jamapsychiatry.2023.0393.Peer-Reviewed Original ResearchConceptsNew-onset suicidal ideationUS military veteransLifetime substance use disorderPast-year suicidal ideationSubstance use disordersSuicidal ideationSuicide planningMilitary veteransUse disordersPsychiatric distressCOVID-19 pandemicSuicidal thoughtsPopulation-based longitudinal studyEvidence-based preventionLongitudinal studyLongitudinal trendsCohort studyNational HealthUS veteransMAIN OUTCOMEVeterans StudySuicide attemptsSuicide riskVulnerable populationsVeterans
2022
Genetic liability to suicidal thoughts and behaviors and risk of suicide attempt in US military veterans: moderating effects of cumulative trauma burden
Nichter B, Koller D, De Angelis F, Wang J, Girgenti M, Na P, Hill M, Norman S, Krystal J, Gelernter J, Polimanti R, Pietrzak R. Genetic liability to suicidal thoughts and behaviors and risk of suicide attempt in US military veterans: moderating effects of cumulative trauma burden. Psychological Medicine 2022, 53: 6325-6333. PMID: 36444557, DOI: 10.1017/s0033291722003646.Peer-Reviewed Original ResearchConceptsPolygenic risk scoresUS military veteransLifetime suicide attemptsSuicide attemptsTrauma exposureTrauma burdenGenetic liabilityMilitary veteransDrug repurposing analysisPopulation-based sampleCumulative trauma exposureLifetime trauma exposureLow trauma exposureSuicide prediction modelsChronic inflammationInflammatory processNervous system developmentRisk scorePsychiatric characteristicsSuicidal behaviorExposure interactionsLarge genome-wide association studiesHigh levelsVeteransSuicidality