2024
Prevalence, 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 oddsPsychological 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 ResearchFunctional 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 characteristicsVeteransProblematic 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 ResearchMeSH KeywordsCross-Sectional StudiesDepressive Disorder, MajorFirearmsHumansSuicideUnited StatesVeteransConceptsFirearm 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 ageWell-Being of US Military Veterans
Na P, Fischer I, Krist A, Kudler H, Jeste D, Pietrzak R. Well-Being of US Military Veterans. JAMA Network Open 2023, 6: e2346709. PMID: 38060229, PMCID: PMC10704281, DOI: 10.1001/jamanetworkopen.2023.46709.Peer-Reviewed Original ResearchPositive personality traits moderate persistent high alcohol consumption, determined by polygenic risk in U.S. military veterans: results from a 10-year, population-based, observational cohort study
Na P, Zhou H, Montalvo-Ortiz J, Cabrera-Mendoza B, Petrakis I, Krystal J, Polimanti R, Gelernter J, Pietrzak R. Positive personality traits moderate persistent high alcohol consumption, determined by polygenic risk in U.S. military veterans: results from a 10-year, population-based, observational cohort study. Psychological Medicine 2023, 53: 7893-7901. PMID: 37642191, DOI: 10.1017/s003329172300199x.Peer-Reviewed Original ResearchChanges 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 increasePurpose in life protects against the development of suicidal thoughts and behaviors in U.S. veterans without a history of suicidality: A 10-year, nationally representative, longitudinal study
Fischer I, Nichter B, Feldman D, Na P, Tsai J, Harpaz-Rotem I, Schulenberg S, Pietrzak R. Purpose in life protects against the development of suicidal thoughts and behaviors in U.S. veterans without a history of suicidality: A 10-year, nationally representative, longitudinal study. Journal Of Affective Disorders 2023, 340: 551-554. PMID: 37557988, DOI: 10.1016/j.jad.2023.08.040.Peer-Reviewed Original ResearchConceptsIncident suicidal ideationAlcohol use disorderIncident suicide attemptsCurrent alcohol use disorderHistory of STBSuicidal ideationSuicide attemptsBaseline predictorsDaily livingPopulation-based prospective cohort studySuicidal thoughtsLow purposeCurrent posttraumatic stress disorderProspective cohort studyTraditional risk factorsLower annual household incomeMultivariable regression analysisEvidence-based interventionsUS military veteransPosttraumatic stress disorderAnnual household incomeCohort studyTrauma burdenRisk factorsNational HealthPandemic-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 decreaseOnsetPrevalenceFunctional Disability in US Military Veterans: The Importance of Integrated Whole Health Initiatives.
Meisler A, Gianoli M, Na P, Pietrzak R. Functional Disability in US Military Veterans: The Importance of Integrated Whole Health Initiatives. The Primary Care Companion For CNS Disorders 2023, 25 PMID: 37419488, DOI: 10.4088/pcc.22m03461.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderIADL disabilityFunctional disabilityInstrumental ADLUS veteransCognitive disordersOlder ageDeployment-related injuryUS veteran populationUS military veteransLow incomeADL disabilityChronic painMale sexBlack raceClinical managementRisk factorsNational HealthSleep disordersDaily livingPsychiatric correlatesFunctional capacityVeteran populationDisability riskHealth initiativesFirearm 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 populationsVeteransTrajectories of alcohol consumption in U.S. military veterans: Results from a 10-year population-based longitudinal study
Na P, Montalvo-Ortiz J, Petrakis I, Krystal J, Polimanti R, Gelernter J, Pietrzak R. Trajectories of alcohol consumption in U.S. military veterans: Results from a 10-year population-based longitudinal study. Drug And Alcohol Dependence 2023, 246: 109833. PMID: 36963160, PMCID: PMC10811960, DOI: 10.1016/j.drugalcdep.2023.109833.Peer-Reviewed Original ResearchMeSH KeywordsAlcohol DrinkingAlcoholismHumansLongitudinal StudiesStress Disorders, Post-TraumaticVeteransConceptsAlcohol consumption groupCurrent mental health treatmentDysphoric arousal symptomsMental health treatmentUS veteransAlcohol consumptionHealth treatmentConsumption groupArousal symptomsYounger agePopulation-based longitudinal studyPublic health problemLongitudinal studyExcessive alcohol consumptionAlcohol use disorderPosttraumatic stress disorderU.S. military veteransMedical comorbiditiesChronic courseNational HealthClose monitoringUse disordersHealth problemsVeterans StudyStress disorderPrevalence, Correlates, and Psychiatric Burden of Prolonged Grief Disorder in U.S. Military Veterans: Results From a Nationally Representative Study
Na P, Fischer I, Shear K, Pietrzak R. Prevalence, Correlates, and Psychiatric Burden of Prolonged Grief Disorder in U.S. Military Veterans: Results From a Nationally Representative Study. American Journal Of Geriatric Psychiatry 2023, 31: 543-548. PMID: 36878740, PMCID: PMC11143540, DOI: 10.1016/j.jagp.2023.02.007.Peer-Reviewed Original ResearchConceptsIndependent risk factorMajor depressive disorderUnited States veteransCoronavirus disease 2019Substance use disordersPost-traumatic stress disorderGrief disorderAdverse childhood experiencesNon-natural causesU.S. military veteransPoint prevalenceNationally Representative StudyFemale sexNational HealthRepresentative studyRisk factorsDepressive disorderPsychiatric burdenDisease 2019States veteransAdditional adjustmentPsychiatric disordersProlonged Grief DisorderUse disordersU.S. veteransCharacterization of Mental Health in US Veterans Before, During, and 2 Years After the Onset of the COVID-19 Pandemic
Fischer I, Na P, Harpaz-Rotem I, Krystal J, Pietrzak R. Characterization of Mental Health in US Veterans Before, During, and 2 Years After the Onset of the COVID-19 Pandemic. JAMA Network Open 2023, 6: e230463. PMID: 36821116, PMCID: PMC9951035, DOI: 10.1001/jamanetworkopen.2023.0463.Peer-Reviewed Original Research
2022
Mental health of U.S. combat veterans by war era: Results from the National health and Resilience in veterans study
Na P, Schnurr P, Pietrzak R. Mental health of U.S. combat veterans by war era: Results from the National health and Resilience in veterans study. Journal Of Psychiatric Research 2022, 158: 36-40. PMID: 36565542, DOI: 10.1016/j.jpsychires.2022.12.019.Peer-Reviewed Original ResearchConceptsIraq/Afghanistan war veteransAfghanistan war veteransPosttraumatic stress disorderUS combat veteransNational HealthUse disordersWar veteransCurrent drug use disordersCombat veteransCurrent major depressive disorderCombat exposure severityCurrent alcohol use disorderEra veteransLifetime posttraumatic stress disorderAdverse psychiatric outcomesDrug use disordersMajor depressive disorderGulf War veteransCurrent suicidal thoughtsMental health factorsAlcohol use disorderCurrent suicidal ideationTrauma burdenDepressive disorderERA groupGenetic 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 levelsVeteransSuicidalityIdentifying factors associated with elevated suicidal intent among U.S. military veterans
Nichter B, Na PJ, Stanley IH, Marx BP, Herzog S, Moynahan V, Hill ML, Norman SB, Pietrzak RH. Identifying factors associated with elevated suicidal intent among U.S. military veterans. Journal Of Psychiatric Research 2022, 155: 68-74. PMID: 35988305, DOI: 10.1016/j.jpsychires.2022.08.001.Peer-Reviewed Original ResearchConceptsSuicidal intentU.S. military veteransHigh riskU.S. veteransPast-year suicidal ideationMilitary veteransPopulation-based sampleCurrent suicidal intentPrior suicide attemptsRisk factorsNational HealthCurrent insomniaCurrent depressionSuicidal ideationVeterans StudyVulnerability factorsSuicide attemptsSuicidal behaviorChildhood sexual abuseCo-occurring factorsSuicide mortalityVeterans' reportsSpecific vulnerability factorVeteransRepresentative sample