2024
Loneliness 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, 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 functionSexual 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 treatmentGambling 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, 1-21. 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 correlatesMental 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 veteransVeteransSuicide-Specific Cognitions and Suicidal Behavior in U.S. Military Veterans
Fischer I, Nichter B, Trachik B, Bryan C, Pietrzak R. Suicide-Specific Cognitions and Suicidal Behavior in U.S. Military Veterans. Psychiatry 2024, 87: 241-250. PMID: 38832675, DOI: 10.1080/00332747.2024.2352883.Peer-Reviewed Original ResearchSuicide-specific cognitionsU.S. military veteransMilitary veteransSuicidal ideationSuicide planLifetime history of suicide attemptsHistory of suicide attemptsAssociated with suicidal ideationSuicide Cognitions ScaleDepressive symptom severityThoughts of suicideMitigate suicide riskB-SCSAdverse childhood experiencesExploratory post hoc analysisSuicidal behaviorLifetime historySuicide riskSuicide attemptsSymptom severitySuicidal thoughtsCognitive scalesIndicator of riskChildhood experiencesIntervention effortsWell-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, 1-7. 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 characteristicsVeteransObesity in Latinx and White U.S. military veterans: Mental health, psychosocial burden, non-suicidal self-injury and suicidal behavior
Stefanovics E, Grilo C, Potenza M, Pietrzak R. Obesity in Latinx and White U.S. military veterans: Mental health, psychosocial burden, non-suicidal self-injury and suicidal behavior. Psychiatry Research 2024, 335: 115844. PMID: 38484606, DOI: 10.1016/j.psychres.2024.115844.Peer-Reviewed Original ResearchNon-suicidal self-injuryDrug use disordersU.S. military veteransMental health problemsMilitary veteransSelf-injuryUse disorderSymptoms of internalizing disordersLevels of childhood traumaNational Health and ResiliencePost-traumatic stress disorderIncreased risk of mental health problemsWhite veteransCoping self-efficacyRisk of mental health problemsLatinx ethnicityGeneralized anxietyStress disorderChildhood traumaHealth problemsSuicidal behaviorVeterans StudyCorrelates of obesityCulturally sensitive preventionNationally representative sampleDifferential associations of adverse childhood experiences and mental health outcomes in U.S. military veterans
Slavin A, Fischer I, Pietrzak R. Differential associations of adverse childhood experiences and mental health outcomes in U.S. military veterans. Journal Of Psychiatric Research 2024, 172: 261-265. PMID: 38412789, DOI: 10.1016/j.jpsychires.2024.02.040.Peer-Reviewed Original ResearchConceptsAdverse childhood experiencesMental health outcomesChildhood traumaEmotional neglectMilitary veteransChildhood experiencesNational Health and ResiliencePrevalence of childhood traumaAssociated with adverse mental health outcomesHealth outcomesChildhood emotional neglectPosttraumatic stress disorderEffects of adverse childhood experiencesU.S. military veteransAssociation of adverse childhood experiencesSample of veteransAdverse mental health outcomesAdverse mental health effectsStress disorderGeneralized anxietyPopulation-based sample of veteransVeterans StudySuicidal thoughtsPopulation-based sampleIndividual adverse childhood experiencesProblematic 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 sampleSymptomsNegative 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 agingFunctional correlates of a novel 8-factor model of PTSD in U.S. military veterans: Results from the National Health and Resilience in Veterans Study
Stiltner B, Fischer I, Duek O, Polimanti R, Harpaz-Rotem I, Pietrzak R. Functional correlates of a novel 8-factor model of PTSD in U.S. military veterans: Results from the National Health and Resilience in Veterans Study. Journal Of Psychiatric Research 2024, 171: 69-74. PMID: 38244335, DOI: 10.1016/j.jpsychires.2024.01.017.Peer-Reviewed Original ResearchConceptsModels of posttraumatic stress disorderPosttraumatic stress disorderNational Health and ResilienceU.S. military veteransArousal symptomsSuicidal ideationVeterans StudyCurrent depressionSymptom clustersMilitary veteransPosttraumatic stress disorder symptom clustersPosttraumatic stress disorder symptomsPosttraumatic Stress Disorder ChecklistAnxious arousal symptomsDysphoric arousal symptomsIntrusive symptom clustersOdds of suicidal ideationFunctional correlatesMulti-faceted disorderExternalizing behavioral symptomsAssociated with lower oddsAssociated with higher oddsSymptom structureAvoidance symptomsDSM-5
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 ageEvaluating a novel 8-factor dimensional model of PTSD in U.S. military veterans: Results from the National Health and Resilience in Veterans Study
Stiltner B, Fischer I, Duek O, Polimanti R, Harpaz-Rotem I, Pietrzak R. Evaluating a novel 8-factor dimensional model of PTSD in U.S. military veterans: Results from the National Health and Resilience in Veterans Study. Journal Of Affective Disorders 2023, 346: 303-307. PMID: 37979626, DOI: 10.1016/j.jad.2023.11.041.Peer-Reviewed Original ResearchConceptsIndex traumaPTSD symptomsNational HealthPosttraumatic stress disorder (PTSD) symptomsVeterans StudyMilitary veteransTrauma-exposed populationsClinician-administered interviewU.S. military veteransConfirmatory factor analysisDSM-5 modelStrong significant associationTrauma exposureIntrusive symptomsDisorder symptomsCombat exposureHigh riskU.S. veteransDSM-5Significant associationSymptomsInterpersonal violenceFactor analysisPTSDScarce researchPosttraumatic 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 severityPrevalence, 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. veteransSex-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 correlatePrevalenceIdeationInteractive association of posttraumatic stress disorder, apolipoprotein ε4 genotype, and age on cognitive functioning
Lawrence K, Rippey C, Welikson B, Pietrzak R, Adams T. Interactive association of posttraumatic stress disorder, apolipoprotein ε4 genotype, and age on cognitive functioning. International Journal Of Geriatric Psychiatry 2023, 38: e5888. PMID: 36757293, PMCID: PMC10168127, DOI: 10.1002/gps.5888.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderThree-way interactionCognitive functioningStress disorderOlder participantsTreatment of PTSDMain effectProbable posttraumatic stress disorderAge-related cognitive impairmentAPOE ε4U.S. military veteransApolipoprotein ε4 genotypeCognitive deficitsPsychomotor performanceAge-related associationsInteractive associationsVeterans StudyMilitary veteransCognitive impairmentPreliminary evidenceTwo-way interactionAPM performanceΕ4 carriersAnalysis of covarianceFunctioningPrevalence, characteristics, and health burden of rheumatoid arthritis in the U.S. veteran population
Morse J, Afari N, Norman S, Guma M, Pietrzak R. Prevalence, characteristics, and health burden of rheumatoid arthritis in the U.S. veteran population. Journal Of Psychiatric Research 2023, 159: 224-229. PMID: 36746059, DOI: 10.1016/j.jpsychires.2023.01.039.Peer-Reviewed Original ResearchConceptsAlcohol use disorderSubthreshold posttraumatic stress disorderPosttraumatic stress disorderRheumatoid arthritisMental health burdenHealth burdenU.S. veteransMedical conditionsSomatic symptomsLifetime alcohol use disorderMale U.S. veteransConditions/symptomsSevere somatic symptomsU.S. veteran populationU.S. military veteransMultivariable analysisTrauma burdenIndependent associationNational HealthRepresentative sampleCurrent insomniaPsychiatric characteristicsUse disordersVeteran populationGreater severity