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 populationsPredicting Uptake of the COVID Coach App Among US Military Veterans: Funnel Analysis Using a Probability-Based Panel
Jaworski BK, Taylor K, Ramsey KM, Heinz AJ, Steinmetz S, Owen JE, Tsai J, Pietrzak RH. Predicting Uptake of the COVID Coach App Among US Military Veterans: Funnel Analysis Using a Probability-Based Panel. JMIR Mental Health 2022, 9: e36217. PMID: 35245204, PMCID: PMC8985691, DOI: 10.2196/36217.Peer-Reviewed Original ResearchUS military veteransOlder veteransMental health toolsDigital mental health toolsHealth toolsOlder adultsOlder veteran populationMilitary veteransMental health conditionsMobile mental health appsCOVID-19 pandemicPandemic-related stressorsPandemic-related stressMental health difficultiesMental health concernsAdverse childhood experiencesPosttraumatic stress disorder (PTSD) symptomsProspective cohortDays of useMedian timeUS veteransNational HealthVeteran characteristicsMental health appsVeteran population
2021
Mental health and suicidal ideation in US military veterans with histories of COVID-19 infection
Na P, Tsai J, Harpaz-Rotem I, Pietrzak R. Mental health and suicidal ideation in US military veterans with histories of COVID-19 infection. BMJ Military Health 2021, 168: 15-19. PMID: 34035155, PMCID: PMC8154290, DOI: 10.1136/bmjmilitary-2021-001846.Peer-Reviewed Original ResearchConceptsStrong independent predictorUS military veteransSuicidal ideationIndependent predictorsCOVID-19COVID-related stressorsInternalising disordersPsychiatric conditionsProtective factorsMilitary veteransCOVID-19 infectionLogistic regression analysisPsychiatric symptom severityLower household incomeCurrent suicidal ideationSubstance use problemsProspective cohortMultivariable analysisTrauma burdenPositive screenUS veteransNational HealthPsychiatric symptomsPsychiatric disordersVeterans StudyThe 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 trauma
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