2024
Posttraumatic 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 oddsSexual 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 2024 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 treatmentAmygdala Cannabinoid 1 Receptor, Pain Response, and Emotional Numbing in Trauma-Exposed Individuals
Korem N, Hillmer A, D’Souza D, Nia A, Levy I, Pietrzak R, Harpaz-Rotem I. Amygdala Cannabinoid 1 Receptor, Pain Response, and Emotional Numbing in Trauma-Exposed Individuals. JAMA Network Open 2024, 7: e2432387. PMID: 39250156, PMCID: PMC11385051, DOI: 10.1001/jamanetworkopen.2024.32387.Peer-Reviewed Original ResearchSuccessful 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 regressionMental Health Apps and U.S. Military Veterans: Perceived Importance and Utilization of the National Center for Posttraumatic Stress Disorder App Portfolio
Jaworski B, Ramsey K, Taylor K, Heinz A, Senti S, Mackintosh M, Rosen C, Owen J, Pietrzak R. Mental Health Apps and U.S. Military Veterans: Perceived Importance and Utilization of the National Center for Posttraumatic Stress Disorder App Portfolio. Psychological Services 2024, 21: 538-551. PMID: 37917475, DOI: 10.1037/ser0000806.Peer-Reviewed Original ResearchMental health appsPosttraumatic stress disorderU.S. veteransHealth appsStress disorderVeterans Affairs (VA) National CenterMental health treatmentLower household incomeMore mental health concernsSelf-management appMental health concernsU.S. military veteransNeeds of veteransMedical conditionsGeneral populationVeteran populationHealth treatmentWhite veteransHealth concernConsistent associationVariety of barriersHealth careMilitary veteransBlack veteransVeteransPsychological 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 ResearchHealth correlates of experiential and behavioral avoidance among trauma-exposed veterans
Schwartz E, Palmisano A, Petrakis I, Pietrzak R, Sofuoglu M. Health correlates of experiential and behavioral avoidance among trauma-exposed veterans. Journal Of Psychiatric Research 2024, 176: 213-217. PMID: 38878649, DOI: 10.1016/j.jpsychires.2024.06.014.Peer-Reviewed Original ResearchTrauma-exposed veteransExperiential avoidanceBehavioral avoidanceAnxiety symptomsDepressive symptomsMental health outcomesCognitive dysfunctionPhysical healthPhysical health outcomesHealth outcomesQuality of lifeHealth-related dysfunctionTrauma historyPsychosocial functioningCognitive functionAvoidance behaviorOutcome measuresHealth-related quality of lifeTreatment targetDistressExploratory analysisVeteransHealth-related qualityAvoidanceAnxietyObstructive 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 disorderFunctional 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 effortsVeteransGeneralized anxiety and mild anxiety symptoms in U.S. military veterans: Prevalence, characteristics, and functioning
Macdonald-Gagnon G, Stefanovics E, Potenza M, Pietrzak R. Generalized anxiety and mild anxiety symptoms in U.S. military veterans: Prevalence, characteristics, and functioning. Journal Of Psychiatric Research 2024, 171: 263-270. PMID: 38325107, DOI: 10.1016/j.jpsychires.2024.02.013.Peer-Reviewed Original ResearchConceptsGeneralized anxiety disorderMild anxiety symptomsAnxiety symptomsMilitary veteransU.S. veteransCorrelates of generalized anxiety disorderCorrelates of anxiety symptomsAnxiety symptom severityU.S. military veteransAnxiety disordersGeneralized anxietyPoor mental healthSuicidal thoughtsSymptom severityMental disordersExcessive anxietyAnxietyMagnitude associationsMental healthFunctional impairmentVeteransFunctional correlatesClinical samplesNationally representative sampleSymptomsThe mediating role of social support in associations between childhood adversity, military sexual trauma, and homelessness in a nationally representative sample of US veterans
Bulanchuk N, Edwards E, Pietrzak R, Tsai J. The mediating role of social support in associations between childhood adversity, military sexual trauma, and homelessness in a nationally representative sample of US veterans. Journal Of Community Psychology 2024, 52: 399-414. PMID: 38289875, DOI: 10.1002/jcop.23105.Peer-Reviewed Original ResearchConceptsMilitary sexual traumaAdverse childhood experiencesLifetime homelessnessSocial supportSexual traumaNationally representative sampleHistory of military sexual traumaCorrelates of homelessnessAvailability of social supportPerceived social supportInterpersonal social supportLow social supportRepresentative sampleChildhood adversityHomelessnessFemale veteransChildhood experiencesCommunity integrationMale counterpartsPath analysisVeteransUS veteransTrauma ratesNationalCorrelation analysisFirearm 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 statusNegative aging stereotypes in U.S. military veterans: results from the National Health and Resilience in Veterans Study.
Georgescu M, Fischer I, Beydoun M, Pietrzak R. Negative aging stereotypes in U.S. military veterans: results from the National Health and Resilience in Veterans Study. International Psychogeriatrics 2024, 1-6. PMID: 38230487, DOI: 10.1017/s1041610223004507.Peer-Reviewed Original ResearchNegative age stereotypesU.S. military veteransHealth conditionsAge stereotypesU.S. veteransMilitary veteransNational Health and ResilienceOlder ageNationally representative sampleNon-veteransPromote healthCognitive healthPsychosocial factorsEmotional healthVeterans StudyRelative weight analysisRepresentative sampleVeteransHealthLow gritCognitive agingIndependent correlatesIncreased riskEmotional stabilityEmotional aging
2023
Sex-specific risk and resilience correlates of suicidal ideation in U.S. military veterans
Stefanovics E, Potenza M, Tsai J, Nichter B, Pietrzak R. Sex-specific risk and resilience correlates of suicidal ideation in U.S. military veterans. Journal Of Affective Disorders 2023, 328: 303-311. PMID: 36775254, DOI: 10.1016/j.jad.2023.02.025.Peer-Reviewed Original ResearchConceptsSuicidal ideationMale veteransFemale veteransU.S. military veteransRisk factorsGender-specific risk factorsPrevalence of SISex-specific riskMilitary veteransDifferent risk factorsAlcohol use disorderLow psychological resilienceMultivariable analysisNational HealthRepresentative sampleUse disordersU.S. veteransVeterans StudySuicide preventionTreatment effortsVeteransLow purposeStrongest correlatePrevalenceIdeationIdentifying significant correlates of purpose in life in older US military veterans: results from the national health and resilience in veterans study.
Fischer I, Feldman D, Tsai J, Harpaz-Rotem I, Lucas K, Schulenberg S, Pietrzak R. Identifying significant correlates of purpose in life in older US military veterans: results from the national health and resilience in veterans study. International Psychogeriatrics 2023, 35: 560-565. PMID: 36715004, DOI: 10.1017/s1041610222001223.Peer-Reviewed Original ResearchConceptsUS military veteransNational HealthMilitary veteransSignificant correlatesOlder US veteransAdverse health outcomesModifiable psychosocial factorsAdverse outcomesElastic net analysisUS veteransDepressive symptomsPsychosocial factorsHealth outcomesVeterans StudyPsychosocial variablesTreatment effortsCognitive outcomesCross-sectional dataVeteransOutcomesSocial supportCommunity integrationImportant correlatesHealthCorrelates
2022
Homelessness and Contact with the Criminal Legal System among U.S. Combat Veterans: An Exploration of Potential Mediating Factors
Orak U, Kelton K, Vaughn M, Tsai J, Pietrzak R. Homelessness and Contact with the Criminal Legal System among U.S. Combat Veterans: An Exploration of Potential Mediating Factors. Criminal Justice And Behavior 2022, 50: 392-409. DOI: 10.1177/00938548221140352.Peer-Reviewed Original ResearchCombat veteransUse disordersCLS involvementU.S. combat veteransDrug use disordersAlcohol use disorderPotential mediating factorsRisk factorsNational HealthModifiable mechanismsHistory of homelessnessVeterans StudyDescriptive studyPrevention effortsPotential mechanismsNotable proportionVeteransInvolvementDisordersAssociationMoral injuryMediating factorsIndirect associationsLarge proportionGenetic 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 levelsVeteransSuicidalityProvision of social support and mental health in U.S. military veterans
Na P, Tsai J, Southwick S, Pietrzak R. Provision of social support and mental health in U.S. military veterans. Npj Mental Health Research 2022, 1: 4. PMID: 38609471, PMCID: PMC10938859, DOI: 10.1038/s44184-022-00004-9.Peer-Reviewed Original ResearchMental healthAdverse mental health outcomesSocial supportMental health outcomesMajority of veteransU.S. military veteransUS veteransLower oddsPsychiatric disordersRepresentative cohortHealth outcomesSuicidal ideationGood healthMilitary veteransStandard deviation increaseVeteransProvision of supportHealthOddsOutcomesDeviation increaseCohort