2024
Loneliness Trajectories in U.S. Military Veterans: A 3-Year Longitudinal Study of Risk and Protective Factors
Ong A, Cintron D, Rottenberg J, Panaite V, Fischer I, Na P, Jeste D, Pietrzak R. Loneliness Trajectories in U.S. Military Veterans: A 3-Year Longitudinal Study of Risk and Protective Factors. The Journals Of Gerontology Series B 2024, gbae171. PMID: 39390809, DOI: 10.1093/geronb/gbae171.Peer-Reviewed Original ResearchGrowth mixture modelingU.S. military veteransLoneliness trajectoriesMilitary veteransLongitudinal Study of RiskNational Health and ResilienceEarly life adversitySelf-report ratingsProtective factorsWorse cognitive functionMental health concernsPhysical health outcomesHealth concernAdverse childhood experiencesRisk factorsLongitudinal cohort studyStudy of riskNationally representative samplePotential psychosocial riskPromote social connectednessSignificant public health concernVeterans StudyLife adversityThree-step regression analysisCognitive function
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 HealthFunctional Disability in US Military Veterans: The Importance of Integrated Whole Health Initiatives.
Meisler A, Gianoli M, Na P, Pietrzak R. Functional Disability in US Military Veterans: The Importance of Integrated Whole Health Initiatives. The Primary Care Companion For CNS Disorders 2023, 25 PMID: 37419488, DOI: 10.4088/pcc.22m03461.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderIADL disabilityFunctional disabilityInstrumental ADLUS veteransCognitive disordersOlder ageDeployment-related injuryUS veteran populationUS military veteransLow incomeADL disabilityChronic painMale sexBlack raceClinical managementRisk factorsNational HealthSleep disordersDaily livingPsychiatric correlatesFunctional capacityVeteran populationDisability riskHealth initiativesPrevalence, Correlates, and Psychiatric Burden of Prolonged Grief Disorder in U.S. Military Veterans: Results From a Nationally Representative Study
Na P, Fischer I, Shear K, Pietrzak R. Prevalence, Correlates, and Psychiatric Burden of Prolonged Grief Disorder in U.S. Military Veterans: Results From a Nationally Representative Study. American Journal Of Geriatric Psychiatry 2023, 31: 543-548. PMID: 36878740, PMCID: PMC11143540, DOI: 10.1016/j.jagp.2023.02.007.Peer-Reviewed Original ResearchConceptsIndependent risk factorMajor depressive disorderUnited States veteransCoronavirus disease 2019Substance use disordersPost-traumatic stress disorderGrief disorderAdverse childhood experiencesNon-natural causesU.S. military veteransPoint prevalenceNationally Representative StudyFemale sexNational HealthRepresentative studyRisk factorsDepressive disorderPsychiatric burdenDisease 2019States veteransAdditional adjustmentPsychiatric disordersProlonged Grief DisorderUse disordersU.S. veteransSocial Disconnection as a Global Behavioral Epidemic—A Call to Action About a Major Health Risk Factor
Na P, Jeste D, Pietrzak R. Social Disconnection as a Global Behavioral Epidemic—A Call to Action About a Major Health Risk Factor. JAMA Psychiatry 2023, 80: 101-102. PMID: 36515940, PMCID: PMC11112624, DOI: 10.1001/jamapsychiatry.2022.4162.Peer-Reviewed Original Research
2022
Identifying factors associated with elevated suicidal intent among U.S. military veterans
Nichter B, Na PJ, Stanley IH, Marx BP, Herzog S, Moynahan V, Hill ML, Norman SB, Pietrzak RH. Identifying factors associated with elevated suicidal intent among U.S. military veterans. Journal Of Psychiatric Research 2022, 155: 68-74. PMID: 35988305, DOI: 10.1016/j.jpsychires.2022.08.001.Peer-Reviewed Original ResearchConceptsSuicidal intentU.S. military veteransHigh riskU.S. veteransPast-year suicidal ideationMilitary veteransPopulation-based sampleCurrent suicidal intentPrior suicide attemptsRisk factorsNational HealthCurrent insomniaCurrent depressionSuicidal ideationVeterans StudyVulnerability factorsSuicide attemptsSuicidal behaviorChildhood sexual abuseCo-occurring factorsSuicide mortalityVeterans' reportsSpecific vulnerability factorVeteransRepresentative sampleCo-occurring alcohol use disorder and obesity in U.S. military veterans: Prevalence, risk factors, and clinical features
Carr MM, Serowik KL, Na PJ, Potenza MN, Martino S, Masheb RM, Pietrzak RH. Co-occurring alcohol use disorder and obesity in U.S. military veterans: Prevalence, risk factors, and clinical features. Journal Of Psychiatric Research 2022, 150: 64-70. PMID: 35358833, DOI: 10.1016/j.jpsychires.2022.03.039.Peer-Reviewed Original ResearchConceptsAlcohol use disorderCo-occurring alcohol use disorderCo-occurring obesityU.S. military veteransRisk factorsUse disordersProbable alcohol use disorderAlcohol Use Disorders Identification TestMore adverse childhood experiencesBody mass indexMilitary veteransSelf-reported heightDisorders Identification TestAdverse childhood experiencesClinical featuresClinical presentationMass indexNeeds of veteransClinical correlatesClinical conditionsMultinomial logistic regressionObesityChildhood adversityLogistic regressionEffective interventions
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 variablesSeverity of substance use as an indicator of suicide risk among U.S. military veterans
Na PJ, Nichter B, Hill ML, Kim B, Norman SB, Pietrzak RH. Severity of substance use as an indicator of suicide risk among U.S. military veterans. Addictive Behaviors 2021, 122: 107035. PMID: 34246987, DOI: 10.1016/j.addbeh.2021.107035.Peer-Reviewed Original ResearchConceptsAlcohol Use Disorders Identification TestHigh-risk subsampleAlcohol use disorderPosttraumatic stress disorderPast-year suicidal ideationDrug use disordersMajor depressive disorderSevere alcohol use disorderUse disordersSuicide risk assessmentSuicidal ideationPast-year alcohol use disorderSubstance usePast-year drug use disordersStrong risk factorNon-prescription drugsCharacteristic curve analysisDisorders Identification TestU.S. military veteransDepressive disorderNational HealthRisk factorsClinical utilityElevated riskDrug use
2017
The relative influence of individual risk factors for attempted suicide in patients with bipolar I versus bipolar II disorder
Bobo WV, Na PJ, Geske JR, McElroy SL, Frye MA, Biernacka JM. The relative influence of individual risk factors for attempted suicide in patients with bipolar I versus bipolar II disorder. Journal Of Affective Disorders 2017, 225: 489-494. PMID: 28865370, DOI: 10.1016/j.jad.2017.08.076.Peer-Reviewed Original ResearchConceptsBody mass indexLifetime suicide attemptsRisk factorsBD-IISuicide attemptsAcute psychiatric problemsSubstance use comorbiditiesStrong risk factorCross-sectional cohortPrevalence of lifetimeBD II patientsMayo Clinic Bipolar Disorder BiobankIndividual risk factorsRapid cyclingRisk of lifetimeEntire cohortIllness onsetMass indexClinical variablesFemale sexIllness coursePsychiatric hospitalizationSuicidal patientsPsychiatric problemsStandardized questionnaire