2023
Evaluating 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 ResearchMeSH KeywordsDiagnostic and Statistical Manual of Mental DisordersEmotionsFactor Analysis, StatisticalHumansStress Disorders, Post-TraumaticVeteransConceptsIndex 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 researchClinical significance of novel 8-factor model of DSM-5 PTSD in national VA PTSD residential treatment data: Internally- v. externally-cued intrusions
Gross G, Spiller T, Duek O, Pietrzak R, Harpaz-Rotem I. Clinical significance of novel 8-factor model of DSM-5 PTSD in national VA PTSD residential treatment data: Internally- v. externally-cued intrusions. Journal Of Affective Disorders 2023, 328: 255-260. PMID: 36806596, DOI: 10.1016/j.jad.2023.02.046.Peer-Reviewed Original ResearchMeSH KeywordsClinical RelevanceCross-Sectional StudiesCuesDiagnostic and Statistical Manual of Mental DisordersHumansResidential TreatmentStress Disorders, Post-TraumaticUnited StatesConceptsPosttraumatic stress disorderPTSD symptomsDysphoric arousalDSM-5 posttraumatic stress disorderDSM-5 PTSD symptomsDistinct underlying processesSelf-report measuresGeneralized anxiety symptomsSuperior model fitPhysical health functioningCore defining featuresStructural equation modelingWorse emotional functioningAnxious arousalSymptoms of depressionNegative affectIntrusion symptomsGreater avoidanceEmotional functioningStress disorderAnxiety symptomsPTSD ChecklistIntrusion factorCross-sectional designGeneralized anxiety
2020
Network analysis of PTSD and depressive symptoms in 158,139 treatment‐seeking veterans with PTSD
Duek O, Spiller TR, Pietrzak RH, Fried EI, Harpaz‐Rotem I. Network analysis of PTSD and depressive symptoms in 158,139 treatment‐seeking veterans with PTSD. Depression And Anxiety 2020, 38: 554-562. PMID: 33190348, DOI: 10.1002/da.23112.Peer-Reviewed Original ResearchCross-Sectional StudiesDepressionDiagnostic and Statistical Manual of Mental DisordersHumansStress Disorders, Post-TraumaticVeterans
2018
Latent typologies of DSM-5 PTSD symptoms in U.S. military veterans
Byrne SP, Harpaz-Rotem I, Tsai J, Southwick SM, Pietrzak RH. Latent typologies of DSM-5 PTSD symptoms in U.S. military veterans. Psychiatry Research 2018, 273: 266-273. PMID: 30658212, DOI: 10.1016/j.psychres.2018.12.094.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnhedoniaAnxietyDepressive Disorder, MajorDiagnostic and Statistical Manual of Mental DisordersFemaleHumansMaleMiddle AgedQuality of LifeStress Disorders, Post-TraumaticSubstance-Related DisordersUnited StatesVeteransConceptsHigh symptom classPosttraumatic stress disorderSymptom classUse disordersLifetime historyDSM-5 PTSD symptomsPTSD symptomsLatent class analysisDrug use disordersNicotine use disorderDSM-5 posttraumatic stress disorderDSM-5 criteriaU.S. military veteransMajor depressiveCognitive impairmentU.S. veteransSymptomsPersonalized approachHigher symptomsStress disorderGeneralized anxietyMilitary veteransThree-class solutionDisordersVeterans
2014
Functional significance of a novel 7-factor model of DSM-5 PTSD symptoms: Results from the National Health and Resilience in Veterans Study
Pietrzak RH, Tsai J, Armour C, Mota N, Harpaz-Rotem I, Southwick SM. Functional significance of a novel 7-factor model of DSM-5 PTSD symptoms: Results from the National Health and Resilience in Veterans Study. Journal Of Affective Disorders 2014, 174: 522-526. PMID: 25556669, DOI: 10.1016/j.jad.2014.12.007.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overCross-Sectional StudiesDiagnostic and Statistical Manual of Mental DisordersFemaleHumansMaleMiddle AgedModels, PsychologicalPsychiatric Status Rating ScalesQuality of LifeStress Disorders, Post-TraumaticSymptom AssessmentUnited StatesVeteransYoung AdultConceptsQuality of lifePosttraumatic stress disorderDSM-5 PTSD symptomsPTSD symptomsNational HealthU.S. veteransSuicidal ideationVeterans StudySymptom clustersDysphoric arousal symptomsCross-sectional designFunctional outcomePsychiatric comorbidityClinical significancePTSD symptom clustersCurrent depressionDSM-5 PTSD symptom clustersPTSD phenotypeMental disordersSymptomsComorbid psychopathologyStress disorderFunctional correlatesStatistical ManualTreatment effortsDimensional structure of DSM-5 posttraumatic stress disorder symptoms: results from the National Health and Resilience in Veterans Study.
Tsai J, Harpaz-Rotem I, Armour C, Southwick SM, Krystal JH, Pietrzak RH. Dimensional structure of DSM-5 posttraumatic stress disorder symptoms: results from the National Health and Resilience in Veterans Study. The Journal Of Clinical Psychiatry 2014, 76: 546-53. PMID: 25562376, DOI: 10.4088/jcp.14m09091.Peer-Reviewed Original ResearchMeSH KeywordsAdultDiagnostic and Statistical Manual of Mental DisordersFactor Analysis, StatisticalFemaleHealth SurveysHumansMalePrevalenceResilience, PsychologicalStress Disorders, Post-TraumaticUnited StatesVeteransConceptsPosttraumatic stress disorderLifetime posttraumatic stress disorderHealth-related functioningMental health-related functioningDSM-5 posttraumatic stress disorderUS veteransSymptom clustersPTSD symptom clustersNational HealthVeterans StudyPTSD symptomsQuality of lifeDysphoric Arousal modelPosttraumatic stress disorder (PTSD) symptomsDSM-5 posttraumatic stress disorder symptomsDSM-5 PTSD symptom clustersHealth outcomesFemale veteransSuicidal ideationDSM-5 PTSD symptomsStress disorderSymptomsDisorder symptomsPTSD symptomatologyVeterans
2013
The dimensional structure of posttraumatic stress symptomatology in 323,903 U.S. veterans
Harpaz-Rotem I, Tsai J, Pietrzak RH, Hoff R. The dimensional structure of posttraumatic stress symptomatology in 323,903 U.S. veterans. Journal Of Psychiatric Research 2013, 49: 31-36. PMID: 24275548, DOI: 10.1016/j.jpsychires.2013.10.020.Peer-Reviewed Original ResearchAdultDiagnostic and Statistical Manual of Mental DisordersFemaleHumansMaleMiddle AgedRetrospective StudiesStress Disorders, Post-TraumaticUnited StatesVeterans
2011
Support for a novel five-factor model of posttraumatic stress symptoms in three independent samples of Iraq/Afghanistan veterans: A confirmatory factor analytic study
Pietrzak RH, Tsai J, Harpaz-Rotem I, Whealin JM, Southwick SM. Support for a novel five-factor model of posttraumatic stress symptoms in three independent samples of Iraq/Afghanistan veterans: A confirmatory factor analytic study. Journal Of Psychiatric Research 2011, 46: 317-322. PMID: 22154134, DOI: 10.1016/j.jpsychires.2011.11.013.Peer-Reviewed Original ResearchMeSH KeywordsAdultAffective SymptomsAfghan Campaign 2001-Diagnostic and Statistical Manual of Mental DisordersFactor Analysis, StatisticalFemaleHumansIraq War, 2003-2011MaleMiddle AgedModels, PsychologicalPsychiatric Status Rating ScalesStress Disorders, Post-TraumaticUnited StatesVeteransConceptsIraq/Afghanistan veteransHyperarousal symptom clustersConfirmatory factor analytic studyFactor analytic studiesAfghanistan veteransDysphoric arousalPTSD symptomsArousal clustersCommunity samplePosttraumatic stress disorder (PTSD) symptomsEmotional numbing modelSymptom clustersTreatment-seeking samplePosttraumatic stress symptomsDSM-IV modelIndependent samplesFive-factor modelConfirmatory factor analysisAnxious arousalEmotional numbingNumbing modelPTSD symptomatologyDisorder symptomsStress symptomsPTSD Checklist