2016
A network analysis of DSM-5 posttraumatic stress disorder symptoms and correlates in U.S. military veterans
Armour C, Fried EI, Deserno MK, Tsai J, Pietrzak RH. A network analysis of DSM-5 posttraumatic stress disorder symptoms and correlates in U.S. military veterans. Journal Of Anxiety Disorders 2016, 45: 49-59. PMID: 27936411, DOI: 10.1016/j.janxdis.2016.11.008.Peer-Reviewed Original ResearchConceptsDSM-5 PTSD symptomsTrauma-related emotionsPTSD symptomsDSM-5 posttraumatic stress disorder symptomsPosttraumatic stress disorder (PTSD) symptomsPhysiological cue reactivityMilitary veteran sampleBlame of selfFunctioning/qualityU.S. military veteransSelf-destructive behaviorSuicidal ideationExaggerated startle responseCue reactivityUnderlying common causeTrauma survivorsPartial correlation modelPTSD networkDisorder symptomsPsychological disordersDifferential relationshipsVeteran sampleCentral symptomsDifferential associationsMilitary veterans
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 ResearchConceptsQuality 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 symptoms: Support for a hybrid Anhedonia and Externalizing Behaviors model
Armour C, Tsai J, Durham TA, Charak R, Biehn TL, Elhai JD, Pietrzak RH. Dimensional structure of DSM-5 posttraumatic stress symptoms: Support for a hybrid Anhedonia and Externalizing Behaviors model. Journal Of Psychiatric Research 2014, 61: 106-113. PMID: 25479765, DOI: 10.1016/j.jpsychires.2014.10.012.Peer-Reviewed Original ResearchComparing four competing models of depressive symptomatology: A confirmatory factor analytic study of 986,647 U.S. veterans
Tsai J, Elhai JD, Pietrzak RH, Hoff RA, Harpaz-Rotem I. Comparing four competing models of depressive symptomatology: A confirmatory factor analytic study of 986,647 U.S. veterans. Journal Of Affective Disorders 2014, 165: 166-169. PMID: 24882195, DOI: 10.1016/j.jad.2014.04.075.Peer-Reviewed Original ResearchMeSH KeywordsAdultDepressive Disorder, MajorFactor Analysis, StatisticalFemaleHumansMaleMiddle AgedModels, PsychologicalUnited StatesVeteransConceptsNon-somatic factorsU.S. veteransDepressive symptomsDepressive symptomatologyNon-veteran samplesSymptom-level dataMajor depressive symptomsMajor depression diagnosisMajor depression symptomsFeelings of worthlessnessAppetite changesPsychomotor agitationThoughts of deathDepression diagnosisMajor depressionSleep difficultiesClinical relevanceClinician-administered measuresCurrent diagnostic systemsDepression symptomsConcentration difficultiesSomatic factorsDepressed moodSymptomsVeterans
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 ResearchConceptsIraq/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