2023
Purpose in life protects against the development of suicidal thoughts and behaviors in U.S. veterans without a history of suicidality: A 10-year, nationally representative, longitudinal study
Fischer I, Nichter B, Feldman D, Na P, Tsai J, Harpaz-Rotem I, Schulenberg S, Pietrzak R. Purpose in life protects against the development of suicidal thoughts and behaviors in U.S. veterans without a history of suicidality: A 10-year, nationally representative, longitudinal study. Journal Of Affective Disorders 2023, 340: 551-554. PMID: 37557988, DOI: 10.1016/j.jad.2023.08.040.Peer-Reviewed Original ResearchConceptsIncident suicidal ideationAlcohol use disorderIncident suicide attemptsCurrent alcohol use disorderHistory of STBSuicidal ideationSuicide attemptsBaseline predictorsDaily livingPopulation-based prospective cohort studySuicidal thoughtsLow purposeCurrent posttraumatic stress disorderProspective cohort studyTraditional risk factorsLower annual household incomeMultivariable regression analysisEvidence-based interventionsUS military veteransPosttraumatic stress disorderAnnual household incomeCohort studyTrauma burdenRisk factorsNational Health
2022
Loneliness in U.S. military veterans during the COVID-19 pandemic: A nationally representative, prospective cohort study
Na PJ, Straus E, Tsai J, Norman SB, Southwick SM, Pietrzak RH. Loneliness in U.S. military veterans during the COVID-19 pandemic: A nationally representative, prospective cohort study. Journal Of Psychiatric Research 2022, 151: 546-553. PMID: 35636030, PMCID: PMC9126310, DOI: 10.1016/j.jpsychires.2022.05.042.Peer-Reviewed Original ResearchConceptsPrevalence of lonelinessPersistent lonelinessPandemic-related social restrictionsMultivariable logistic regression modelProtective factorsCOVID-19 pandemicPre-existing psychiatric conditionsProspective cohort studyMilitary veteransPre-pandemic measuresLogistic regression modelsProtective psychosocial factorsU.S. military veteransProspective cohortCohort studyUS veteransNational HealthHigh riskPsychiatric disordersPsychosocial factorsCOVID-related stressorsPsychiatric conditionsVeterans StudyLongitudinal changesVulnerable populations
2021
The impact of sleep quality on the incidence of PTSD: Results from a 7-Year, Nationally Representative, Prospective Cohort of U.S. Military Veterans
DeViva JC, McCarthy E, Southwick SM, Tsai J, Pietrzak RH. The impact of sleep quality on the incidence of PTSD: Results from a 7-Year, Nationally Representative, Prospective Cohort of U.S. Military Veterans. Journal Of Anxiety Disorders 2021, 81: 102413. PMID: 33991819, PMCID: PMC10693322, DOI: 10.1016/j.janxdis.2021.102413.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderSleep qualityNew-onset posttraumatic stress disorderIncidence of PTSDSelf-reported sleep qualityProspective cohort studyProbable posttraumatic stress disorderPoor sleep qualityPotential risk factorsDevelopment of PTSDU.S. veteran populationFair sleep qualityWave 1U.S. military veteransCohort studyProspective cohortIndependent determinantsClinical variablesRisk factorsNational HealthLifetime depressionVeteran populationMultivariate analysisU.S. veteransGreater traumaLongitudinal courses of suicidal ideation in U.S. military veterans: a 7-year population-based, prospective cohort study
Herzog S, Tsai J, Nichter B, Kachadourian L, Harpaz-Rotem I, Pietrzak RH. Longitudinal courses of suicidal ideation in U.S. military veterans: a 7-year population-based, prospective cohort study. Psychological Medicine 2021, 52: 3570-3579. PMID: 33602367, DOI: 10.1017/s0033291721000301.Peer-Reviewed Original ResearchNew-onset suicidal ideationChronic suicidal ideationPhysical health difficultiesPrior suicide attemptsSuicidal ideationSuicide attemptsProtective factorsSI groupLongitudinal courseHealth difficultiesProspective suicide attemptsProspective cohort studyRecent stressorsHigh ratePosttraumatic stress disorderMental health supportSuicide prevention effortsU.S. military veteransCohort studyNew onsetBaseline riskHigh riskU.S. veteransMost veteransPhysical distress
2020
Dissociative symptoms predict risk for the development of PTSD: Results from the National Health and Resilience in Veterans Study (NHRVS)
Herzog S, Fogle BM, Harpaz-Rotem I, Tsai J, DePierro J, Pietrzak RH. Dissociative symptoms predict risk for the development of PTSD: Results from the National Health and Resilience in Veterans Study (NHRVS). Journal Of Psychiatric Research 2020, 131: 215-219. PMID: 32998083, DOI: 10.1016/j.jpsychires.2020.09.018.Peer-Reviewed Original ResearchConceptsDevelopment of PTSDPosttraumatic stress disorderU.S. military veteransDissociative symptomsRisk factorsDerealization symptomsIncident posttraumatic stress disorderTrauma exposureImmutable risk factorsProspective cohort studyPopulation-based risk factorsMilitary veteransPrediction of PTSDPotential clinical utilityTrauma-related factorsTrauma-exposed veteransCohort studyNational HealthRelative riskClinical utilityU.S. veteransVeterans StudySymptomsTrauma characteristicsStress disorder
2019
Posttraumatic stress symptom courses in U.S. military veterans: A seven-year, nationally representative, prospective cohort study
Mota NP, Cook JM, Smith NB, Tsai J, Harpaz-Rotem I, Krystal JH, Southwick SM, Pietrzak RH. Posttraumatic stress symptom courses in U.S. military veterans: A seven-year, nationally representative, prospective cohort study. Journal Of Psychiatric Research 2019, 119: 23-31. PMID: 31546045, DOI: 10.1016/j.jpsychires.2019.09.005.Peer-Reviewed Original ResearchConceptsPTSD symptom courseSymptom courseU.S. military veteransLatent growth mixture modelingProspective cohort studyMilitary veteransLifetime psychiatric historyMental health treatmentPhysical health difficultiesLifetime traumatic eventsTrauma-exposed veteransProtective psychosocial characteristicsCohort studyProspective cohortModerate symptomsModifiable correlatesNational HealthSymptomatic coursePsychiatric historyHealth treatmentU.S. veteransVeterans StudyPsychosocial characteristicsHigher symptomsHealth difficulties
2017
Trajectories of posttraumatic growth among US military veterans: a 4‐year nationally representative, prospective cohort study
Tsai J, Pietrzak RH. Trajectories of posttraumatic growth among US military veterans: a 4‐year nationally representative, prospective cohort study. Acta Psychiatrica Scandinavica 2017, 136: 483-492. PMID: 28846800, DOI: 10.1111/acps.12800.Peer-Reviewed Original ResearchConceptsProspective cohort studyPTG trajectoriesUS military veteransCertain psychosocial factorsPosttraumatic stress disorder (PTSD) symptomsCohort studyUS veteransPsychosocial factorsGreater severityPosttraumatic growthPsychosocial variablesPredominant trajectoriesBaseline measuresDisorder symptomsMilitary veteransModerate posttraumatic growthAvoidance symptomsSymptomsSocial supportLatent growth mixtureVeteransRepresentative surveyGrowth mixture
2016
Psychological resilience in U.S. military veterans: A 2-year, nationally representative prospective cohort study
Isaacs K, Mota NP, Tsai J, Harpaz-Rotem I, Cook JM, Kirwin PD, Krystal JH, Southwick SM, Pietrzak RH. Psychological resilience in U.S. military veterans: A 2-year, nationally representative prospective cohort study. Journal Of Psychiatric Research 2016, 84: 301-309. PMID: 27814502, DOI: 10.1016/j.jpsychires.2016.10.017.Peer-Reviewed Original ResearchConceptsU.S. military veteransTrauma-exposed veteransPsychological resilienceTrauma exposureMilitary veteransResilient groupTrauma-related psychological symptomsDistressed groupHigh trauma exposureCurrent psychological distressLifetime trauma exposurePhysical health difficultiesSense of purposeProspective cohort studyDispositional gratitudePosttraumatic stressTraumatic eventsEmotional stabilityPsychological distressCurrent distressLifetime traumaAnxiety disordersDistress symptomsHealth difficultiesPsychological symptomsPurpose in Life is Associated with a Reduced Risk of Incident Physical Disability in Aging U.S. Military Veterans
Mota NP, Tsai J, Kirwin PD, Sareen J, Southwick SM, Pietrzak RH. Purpose in Life is Associated with a Reduced Risk of Incident Physical Disability in Aging U.S. Military Veterans. American Journal Of Geriatric Psychiatry 2016, 24: 706-714. PMID: 27160984, DOI: 10.1016/j.jagp.2016.03.004.Peer-Reviewed Original ResearchConceptsIncident IADL disabilityIncident physical disabilityIADL disabilityPhysical disabilityU.S. military veteransDaily livingGreater medical burdenIncident ADL disabilityProspective cohort studyTwo-year incidenceMilitary veteransProtective psychosocial factorsWave 1Incident disabilityCohort studyADL disabilityChronic painNational HealthMedical burdenInstrumental activitiesMedical conditionsReduced riskPsychosocial factorsU.S. veteransVeterans StudyNature and determinants of suicidal ideation among U.S. veterans: Results from the national health and resilience in veterans study
Smith NB, Mota N, Tsai J, Monteith L, Harpaz-Rotem I, Southwick SM, Pietrzak RH. Nature and determinants of suicidal ideation among U.S. veterans: Results from the national health and resilience in veterans study. Journal Of Affective Disorders 2016, 197: 66-73. PMID: 26970267, DOI: 10.1016/j.jad.2016.02.069.Peer-Reviewed Original ResearchConceptsChronic suicidal ideationPhysical health difficultiesSuicidal ideationU.S. veteransProtective psychosocial characteristicsNational HealthPsychosocial characteristicsHealth difficultiesSI onsetMajor public health concernProspective cohort studyPublic health concernSubstance abuse historyWave 1Majority of veteransU.S. military veteransCohort studyProtective correlatesTwo-week timeframePsychiatric distressVeterans StudySociodemographic characteristicsSuicidal thoughtsHealth concernTreatment efforts