2024
Problematic 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 effortsVeterans
2023
Changes in mental health among U.S. military veterans during the COVID-19 pandemic: A network analysis
Spiller T, Na P, Merians A, Duek O, Ben-Zion Z, Tsai J, von Känel R, Harpaz-Rotem I, Pietrzak R. Changes in mental health among U.S. military veterans during the COVID-19 pandemic: A network analysis. Journal Of Psychiatric Research 2023, 165: 352-359. PMID: 37595331, DOI: 10.1016/j.jpsychires.2023.08.003.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderSymptoms of PTSDTraumatic eventsPosttraumatic growthU.S. military veteransPTSD symptomsSuicidal ideationMental healthMilitary veteransIncrease of symptomsPopulation-based sampleCOVID-19 pandemicFirst yearStress disorderMost veteransSymptomsFirst monthPsychopathological symptomsGeneral resilienceGroup levelAnxietyVeteransIndividual reactionsDepressionSubtle increaseLongitudinal Trends in Suicidal Thoughts and Behaviors Among US Military Veterans During the COVID-19 Pandemic
Fischer I, Nichter B, Na P, Norman S, Krystal J, Pietrzak R. Longitudinal Trends in Suicidal Thoughts and Behaviors Among US Military Veterans During the COVID-19 Pandemic. JAMA Psychiatry 2023, 80: 577-584. PMID: 37017978, PMCID: PMC10077136, DOI: 10.1001/jamapsychiatry.2023.0393.Peer-Reviewed Original ResearchConceptsNew-onset suicidal ideationUS military veteransLifetime substance use disorderPast-year suicidal ideationSubstance use disordersSuicidal ideationSuicide planningMilitary veteransUse disordersPsychiatric distressCOVID-19 pandemicSuicidal thoughtsPopulation-based longitudinal studyEvidence-based preventionLongitudinal studyLongitudinal trendsCohort studyNational HealthUS veteransMAIN OUTCOMEVeterans StudySuicide attemptsSuicide riskVulnerable populationsVeteransCharacterization of Mental Health in US Veterans Before, During, and 2 Years After the Onset of the COVID-19 Pandemic
Fischer I, Na P, Harpaz-Rotem I, Krystal J, Pietrzak R. Characterization of Mental Health in US Veterans Before, During, and 2 Years After the Onset of the COVID-19 Pandemic. JAMA Network Open 2023, 6: e230463. PMID: 36821116, PMCID: PMC9951035, DOI: 10.1001/jamanetworkopen.2023.0463.Peer-Reviewed Original ResearchConceptsUS veteransRates of anxietyCOVID-19 pandemicCohort studyDepressive disorderMental healthVeteransPandemic
2022
Association of Distress Due to Systemic Racism and Racial Disparities With Psychopathology and Suicidal Ideation Among US Veterans During the COVID-19 Pandemic.
Jegede O, Na PJ, Haeny AM, Krystal JH, Pietrzak RH. Association of Distress Due to Systemic Racism and Racial Disparities With Psychopathology and Suicidal Ideation Among US Veterans During the COVID-19 Pandemic. The Journal Of Clinical Psychiatry 2022, 83 PMID: 35921504, PMCID: PMC10228546, DOI: 10.4088/jcp.22br14410.Peer-Reviewed Original ResearchFactors Associated With Remission of Suicidal Ideation During the COVID-19 Pandemic: A Population-Based, Longitudinal Study in US Military Veterans.
Herzog S, Nichter B, Hill ML, Na PJ, Norman SB, Pietrzak RH. Factors Associated With Remission of Suicidal Ideation During the COVID-19 Pandemic: A Population-Based, Longitudinal Study in US Military Veterans. The Journal Of Clinical Psychiatry 2022, 83 PMID: 35771973, DOI: 10.4088/jcp.21br14341.Peer-Reviewed Original ResearchLoneliness 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
Prevalence and Trends in Suicidal Behavior Among US Military Veterans During the COVID-19 Pandemic
Nichter B, Hill ML, Na PJ, Kline AC, Norman SB, Krystal JH, Southwick SM, Pietrzak RH. Prevalence and Trends in Suicidal Behavior Among US Military Veterans During the COVID-19 Pandemic. JAMA Psychiatry 2021, 78: 1218-1227. PMID: 34431973, PMCID: PMC8387942, DOI: 10.1001/jamapsychiatry.2021.2332.Peer-Reviewed Original ResearchConceptsUS military veteransCOVID-19 infectionCohort studySuicidal behaviorPast-year suicide ideationRisk factorsMilitary veteransPopulation-based prospective cohort studyCOVID-19 pandemicSuicide ideationSuicide attemptsProspective cohort studyLifetime posttraumatic stress disorderStrong risk factorCOVID-19 public health emergencyLow social supportPosttraumatic stress disorderPublic health emergencyAlcohol use disorder severityUS veteransNational HealthMAIN OUTCOMESuicide attempt historyVeterans StudyCOVID-19-related variablesFactors associated with post-traumatic growth in response to the COVID-19 pandemic: Results from a national sample of U.S. military veterans
Na PJ, Tsai J, Southwick SM, Pietrzak RH. Factors associated with post-traumatic growth in response to the COVID-19 pandemic: Results from a national sample of U.S. military veterans. Social Science & Medicine 2021, 289: 114409. PMID: 34537394, PMCID: PMC8445520, DOI: 10.1016/j.socscimed.2021.114409.Peer-Reviewed Original ResearchConceptsPost-traumatic growthPosttraumatic stress disorderPTSD symptomsU.S. military veteransPositive psychological changesNegative psychological outcomesMilitary veteransU.S. veteransNational samplePrior traumatic eventsAvoidance symptomsTrauma survivorsPsychological outcomesTraumatic eventsPsychological changesPsychosocial interventionsStress disorderPsychological distressPsychological impactCOVID-19 pandemicMajority of researchVeterans StudyMental healthLongitudinal studyFunctional correlatesNew‐onset and exacerbated insomnia symptoms during the COVID‐19 pandemic in US military veterans: A nationally representative, prospective cohort study
McCarthy E, DeViva JC, Na PJ, Pietrzak RH. New‐onset and exacerbated insomnia symptoms during the COVID‐19 pandemic in US military veterans: A nationally representative, prospective cohort study. Journal Of Sleep Research 2021, 31: e13450. PMID: 34327743, PMCID: PMC8420100, DOI: 10.1111/jsr.13450.Peer-Reviewed Original ResearchConceptsClinical insomnia symptomsInsomnia symptomsUS military veteransPandemic-related stressMilitary veteransProspective cohort studyHigh-risk populationInsomnia Severity IndexCOVID-19 pandemicPosttraumatic stress disorderPandemic-related factorsChest painCohort studyUS veteransNational HealthRepresentative sampleSubthreshold insomniaVeterans StudySymptomsIsolation restrictionsStress disorderMental healthTreatment effortsSeverity IndexPotential targetPrevalence, risk and protective factors of alcohol use disorder during the COVID-19 pandemic in U.S. military veterans
Na PJ, Norman SB, Nichter B, Hill ML, Rosen MI, Petrakis IL, Pietrzak RH. Prevalence, risk and protective factors of alcohol use disorder during the COVID-19 pandemic in U.S. military veterans. Drug And Alcohol Dependence 2021, 225: 108818. PMID: 34171825, PMCID: PMC9758576, DOI: 10.1016/j.drugalcdep.2021.108818.Peer-Reviewed Original ResearchConceptsProbable alcohol use disorderAlcohol use disorderUse disordersU.S. military veteransHigh riskYounger ageProtective factorsLifetime substance use disorderUse severityMilitary veteransChronic alcohol use disorderIncident alcohol use disordersSubstance use disordersLow dispositional optimismCOVID-19 pandemicCOVID-related worryAlcohol use severityDrug use severityProspective cohortUS veteransHigh-risk sampleNational HealthGeneral populationLower riskAlcohol consumption