2013
Successful Aging Among Older Veterans in the United States
Pietrzak RH, Tsai J, Kirwin PD, Southwick SM. Successful Aging Among Older Veterans in the United States. American Journal Of Geriatric Psychiatry 2013, 22: 551-563. PMID: 23567414, DOI: 10.1016/j.jagp.2012.11.018.Peer-Reviewed Original ResearchConceptsProtective psychosocial characteristicsPhysical health difficultiesSuccessful agingUnidimensional latent factorPsychosocial characteristicsPsychological distressHealth difficultiesLatent factorsSelf-rated successful agingAdditional positive predictorsCurrent psychological distressSelf-report measuresCorrelates of scoresAdditional negative predictorConfirmatory factor analysisCross-sectional web surveyOlder veteransSubstance abuse historyCognitive functioningPsychosocial correlatesSocial functioningPositive expectationsAbuse historyDimensional approachPositive predictor
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