2025
Sex differences in problematic pornography use among adolescents: a network analysis
Villena-Moya A, Potenza M, Granero R, Paiva Ú, Arrondo G, Chiclana-Actis C, Fernández-Aranda F, Jiménez-Murcia S, Normand E, Ballester L, Mestre-Bach G. Sex differences in problematic pornography use among adolescents: a network analysis. BMC Psychology 2025, 13: 347. PMID: 40200245, PMCID: PMC11978135, DOI: 10.1186/s40359-025-02624-0.Peer-Reviewed Original ResearchConceptsPornography useVulnerability of malesPotential of network analysisGender-sensitive preventionOnline victimizationSexual pleasureCentral variableUnique needsNetwork analysisDigital harmMood modificationSpanish sampleSex differencesVulnerabilityPornographyAdolescentsIntervention strategiesVictimsConflictSexualityConclusionsThese findingsSexLonelinessHarmMaleAssociation between loneliness and suicidality among general populations and persons with depressive and bipolar disorders: A systematic review
Lu A, Chan A, Menon T, Le G, Wong S, Ho R, Lo H, Rhee T, Lim P, Guillen-Burgos H, McIntyre R. Association between loneliness and suicidality among general populations and persons with depressive and bipolar disorders: A systematic review. Journal Of Affective Disorders 2025, 380: 777-801. PMID: 40157511, DOI: 10.1016/j.jad.2025.03.150.Peer-Reviewed Original ResearchConceptsGeneral population sampleBipolar disorderSystematic reviewPopulation sampleAge groupsHealthy adultsWeb of ScienceOlder adultsUnadjusted modelsDepressive symptomsData extractionDepressive disorderEligibility criteriaModerate positive correlationNIH toolPositive associationLonelinessEvaluate personalitySuicideAdultsClinical diagnosisDisordersQuality assessmentAssociationComprehensive assessmentThe association between internet-use-disorder symptoms and loneliness: a systematic review and meta-analysis with a categorical approach
Mestre-Bach G, Paiva U, San Martín Iniguez L, Beranuy M, Martín-Vivar M, Mallorquí-Bagué N, Normand E, Chicote M, Potenza M, Arrondo G. The association between internet-use-disorder symptoms and loneliness: a systematic review and meta-analysis with a categorical approach. Psychological Medicine 2025, 55: e77. PMID: 40071718, PMCID: PMC12080635, DOI: 10.1017/s0033291725000376.Peer-Reviewed Original ResearchConceptsInternet-use disordersSystematic reviewMeta-analysisInternet-useInternet use disorderRandom-effects modelWeb of ScienceDegree of lonelinessUCLA Loneliness ScaleStatistical poolingQuantify associationsOdds ratioCohen's dDisorder symptomsGreater lonelinessMeta-regressionPooled differenceEffect sizePre-registeredUCLA-LonelinessLonelinessEffects of ageCategorical approachSymptomsGroup of individuals
2024
Social Isolation and Population Density: Racial and Ethnic Differences Among Older Adults
You E, Nicholson N, Jacobson S, Poghosyan H, Feinn R, Charlotte L. Social Isolation and Population Density: Racial and Ethnic Differences Among Older Adults. INQUIRY The Journal Of Health Care Organization Provision And Financing 2024, 61: 00469580241273127. PMID: 39229676, PMCID: PMC11375685, DOI: 10.1177/00469580241273127.Peer-Reviewed Original ResearchConceptsSocial isolationAbsence of social connectionsSocial connectionsAssociated with less SIZip codesHigh-population-density areasPopulation densitySecondary data analysisRacial/ethnic groupsEthnic differencesAARP FoundationSenior citizensOlder AdultsOlder peopleConvenience sampleRace/ethnicityLinear mixed modelsTargeted interventionsHealth problemsSubjective SIZIPMixed modelsCitizensInterventionModerating influence
2023
The online world as a means of connection and disconnection during the COVID-19 pandemic: A test of the interpersonal-connections-behaviour framework
Tibber M, Milne G, Fonagy P, Dekker T. The online world as a means of connection and disconnection during the COVID-19 pandemic: A test of the interpersonal-connections-behaviour framework. Journal Of Affective Disorders 2023, 347: 533-540. PMID: 38070743, DOI: 10.1016/j.jad.2023.12.006.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnxietyCOVID-19Cross-Sectional StudiesDepressionHumansLonelinessPandemicsSocial IsolationConceptsAssociated with poor mental healthPoor mental healthMental healthMental health risksSample of UK adultsSocial comparisonCross-sectional samplePeriod of social isolationIndividual-level moderatorsSocial isolationDirection of causalityClinical perspectiveItem questionsLonelinessLongitudinal analysisOnline socialisationUK adultsHigher levelsAnxietyDepressionDisconnectionHealthModeratelyItemsCOVID-19 pandemicAll the Lonely People: Social Isolation and Loneliness in Chronic Obstructive Pulmonary Disease
Ferrante L, Cohen A. All the Lonely People: Social Isolation and Loneliness in Chronic Obstructive Pulmonary Disease. Annals Of The American Thoracic Society 2023, 20: 1703-1704. PMID: 38038602, PMCID: PMC10704229, DOI: 10.1513/annalsats.202309-833ed.Commentaries, Editorials and LettersSocial isolation, loneliness, and inflammation: A multi-cohort investigation in early and mid-adulthood
Matthews T, Rasmussen L, Ambler A, Danese A, Eugen-Olsen J, Fancourt D, Fisher H, Iversen K, Schultz M, Sugden K, Williams B, Caspi A, Moffitt T. Social isolation, loneliness, and inflammation: A multi-cohort investigation in early and mid-adulthood. Brain Behavior And Immunity 2023, 115: 727-736. PMID: 37992788, PMCID: PMC11194667, DOI: 10.1016/j.bbi.2023.11.022.Peer-Reviewed Original ResearchConceptsSoluble urokinase plasminogen activator receptorC-reactive proteinSystemic chronic inflammationInterleukin-6Triage StudyMedical patientsChronic inflammationAge 45Social isolationStudy participantsHigher C-reactive proteinNew inflammation markerPopulation-representative birth cohortUrokinase plasminogen activator receptorEnvironmental Risk (E-Risk) Longitudinal Twin StudyHigher median levelsPlasminogen activator receptorDunedin Longitudinal StudyElevated markersSuPAR levelsSystemic inflammationInflammation markersInflammation biomarkersGeneral populationInflammationLoneliness and firearm acquisition among low-income U.S. veterans: Findings from the National Veteran Homeless and Other Poverty Experiences (NV-HOPE) study
Testa A, Tsai J. Loneliness and firearm acquisition among low-income U.S. veterans: Findings from the National Veteran Homeless and Other Poverty Experiences (NV-HOPE) study. Social Science & Medicine 2023, 338: 116356. PMID: 37939539, DOI: 10.1016/j.socscimed.2023.116356.Peer-Reviewed Original ResearchA systematic review of how social connectedness influences associations between racism and discrimination on health outcomes
Ransome Y, Valido A, Espelage D, Clements G, Harrell C, Eckel C, Price N, Nassau R, Nyhan K, Taggart T. A systematic review of how social connectedness influences associations between racism and discrimination on health outcomes. Epidemiologic Reviews 2023, 45: 44-62. PMID: 37477041, PMCID: PMC10748800, DOI: 10.1093/epirev/mxad009.Peer-Reviewed Original ResearchMeSH KeywordsCross-Sectional StudiesHumansLonelinessMental HealthOutcome Assessment, Health CareRacismUnited StatesConceptsSocial connectednessRacial discriminationMeasures of racismCommunity/neighborhoodSystematic reviewRacismRacist eventsHigher social connectednessUnfair treatmentRetrieving studiesPeer-reviewed journalsCausal claimsEveryday discriminationRisk factorsEffect modificationSocial factorsSocial isolationLower riskConnectednessHealth outcomesUnited StatesSocial supportInfluences healthGood methodological rigourMental healthThe role of financial security in loneliness or sadness among Medicare-enrolled cancer survivors during the COVID-19 pandemic
Sarkar S, Arakelyan S, Choa E, Poghosyan H. The role of financial security in loneliness or sadness among Medicare-enrolled cancer survivors during the COVID-19 pandemic. Journal Of Geriatric Oncology 2023, 14: 101507. PMID: 37216846, PMCID: PMC10123351, DOI: 10.1016/j.jgo.2023.101507.Peer-Reviewed Original ResearchConceptsFeelings of lonelinessCancer survivorsSurge of COVID-19Increased feelings of lonelinessCancer historyMedicare beneficiariesSelf-reported cancer historyIncreasing rates of lonelinessWinter surgeIncreased feelingsRates of lonelinessCOVID-19 pandemicCross-sectional dataMultivariate logistic regression analysisLogistic regression analysisPopulation-basedFinancial securityCOVID-19MedicareSocioeconomic vulnerabilityLonelinessStudy cohortSurvivorsRegression analysisCross-tabulation analysisLoneliness as a risk factor for dementia and other adverse health outcomes
Na P, Lim Y, Pietrzak R. Loneliness as a risk factor for dementia and other adverse health outcomes. International Psychogeriatrics 2023, 35: 271-274. PMID: 36732041, DOI: 10.1017/s104161022300011x.Commentaries, Editorials and LettersSocial 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
Resilience of people with chronic medical conditions during the COVID-19 pandemic: a 1-year longitudinal prospective survey
Tarsitani L, Pinucci I, Tedeschi F, Patanè M, Papola D, Palantza C, Acarturk C, Björkenstam E, Bryant R, Burchert S, Davisse-Paturet C, Díaz-García A, Farrel R, Fuhr D, Hall B, Huizink A, Lam A, Kurt G, Leijen I, Mittendorfer-Rutz E, Morina N, Panter-Brick C, Purba F, Quero S, Seedat S, Setyowibowo H, van der Waerden J, Pasquini M, Sijbrandij M, Barbui C. Resilience of people with chronic medical conditions during the COVID-19 pandemic: a 1-year longitudinal prospective survey. BMC Psychiatry 2022, 22: 633. PMID: 36183067, PMCID: PMC9525930, DOI: 10.1186/s12888-022-04265-8.Peer-Reviewed Original ResearchMeSH KeywordsAnxietyChronic DiseaseCOVID-19DepressionHumansLonelinessMalePandemicsProspective StudiesConceptsChronic medical conditionsMedical conditionsMental disordersOslo Social Support ScaleOlder male individualsPatient Health QuestionnaireGeneralized Anxiety Disorder ScalePrevious mental disorderAnxiety Disorder ScaleLongitudinal prospective surveyLongitudinal online surveySocio-demographic characteristicsChronic conditionsProspective surveyChronic diseasesHealth QuestionnaireResilience-building interventionsCOVID-19 contaminationTotal participantsSocial Support ScaleIll peopleDisorder ScaleCOVID-19 pandemicDSM-5Predictors of resilienceAttachment, loneliness, and social connection as prospective predictors of suicidal ideation during the COVID‐19 pandemic: A relational diathesis‐stress experience sampling study
Lewis K, Roche M, Brown F, Tillman J. Attachment, loneliness, and social connection as prospective predictors of suicidal ideation during the COVID‐19 pandemic: A relational diathesis‐stress experience sampling study. Suicide And Life-Threatening Behavior 2022, 53: 64-74. PMID: 36156302, DOI: 10.1111/sltb.12922.Peer-Reviewed Original ResearchConceptsDiathesis-stress modelProspective predictorsSocial contactSuicidal ideationHigher attachment avoidanceExperience Sampling StudyPredictors of SIReduced social contactProximal risk factorsAttachment avoidanceSuicide riskAnxious attachmentInsecure attachmentDispositional traitsCommunity sampleRelative salienceTrait lonelinessMultilevel modelingEmotional connectionMental healthSocial connectionsWeekly survey dataSampling studyCOVID-19 pandemicLonelinessLoneliness 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 populationsLoneliness in the presence of others: A mixed-method study of social networks of caregivers of patients with severe mental disorders
Tabatabaee M, Nooraie R, Aghaei A, Rostam-Abadi Y, Ansari M, Sharifi S, Sharifi V. Loneliness in the presence of others: A mixed-method study of social networks of caregivers of patients with severe mental disorders. International Journal Of Social Psychiatry 2022, 69: 190-199. PMID: 35148620, DOI: 10.1177/00207640221077580.Peer-Reviewed Original ResearchConceptsCaregivers of patientsPersonal support networksImmediate family membersSupport networksMental disordersSevere mental illnessNetwork of caregiversFamily membersSource of family distressMiddle-income countriesMixed-methods designMixed-methods studySevere mental disordersCaregiver networkCaregiver supportMental illnessFamily distressEmotional supportCaregiversSocioeconomic variablesPerceived needStigmaParticipantsSocial relationshipsSystem support
2021
Loneliness, sadness, and feelings of social disconnection in older adults during the COVID‐19 pandemic
Holaday LW, Oladele CR, Miller SM, Dueñas MI, Roy B, Ross JS. Loneliness, sadness, and feelings of social disconnection in older adults during the COVID‐19 pandemic. Journal Of The American Geriatrics Society 2021, 70: 329-340. PMID: 34850379, PMCID: PMC8896574, DOI: 10.1111/jgs.17599.Peer-Reviewed Original ResearchConceptsPrimary careMedicare beneficiariesMultivariable logistic regression modelCOVID-19 pandemicOlder adultsOlder Medicare beneficiariesFeelings of lonelinessHistory of depressionPublic health measuresCross-sectional analysisLogistic regression modelsRace/ethnicitySubsequent morbidityLower oddsBlack beneficiariesHealth measuresSocial disconnectionSociodemographic variablesSocial Connectedness Among Medicare Beneficiaries Following the Onset of the COVID-19 Pandemic
Talcott WJ, Yu JB, Gross CP, Park HS. Social Connectedness Among Medicare Beneficiaries Following the Onset of the COVID-19 Pandemic. JAMA Internal Medicine 2021, 181: 1245-1248. PMID: 34047760, PMCID: PMC8424484, DOI: 10.1001/jamainternmed.2021.2348.Peer-Reviewed Original ResearchBehavioral Epidemic of Loneliness in Older U.S. Military Veterans: Results From the 2019-2020 National Health and Resilience in Veterans Study
Straus E, Norman SB, Tripp JC, Tsai J, Sippel LM, Jeste DV, Southwick SM, Pietrzak RH. Behavioral Epidemic of Loneliness in Older U.S. Military Veterans: Results From the 2019-2020 National Health and Resilience in Veterans Study. American Journal Of Geriatric Psychiatry 2021, 30: 297-310. PMID: 34417085, DOI: 10.1016/j.jagp.2021.07.006.Peer-Reviewed Original ResearchConceptsU.S. military veteransNational HealthPhysical healthMilitary veteransSuicidal ideationVeterans StudyFunctional measuresPsychiatric risk factorsLoneliness severityCross-sectional studyU.S. veteran populationPhysical health conditionsReliable self-report assessmentsCurrent suicidal ideationRisk factorsSelf-report assessmentsTransdiagnostic preventionCurrent prevalenceVeteran populationU.S. veteransFunctional difficultiesMental healthHealth conditionsIntervention targetsReporting feelingRisk and resilience factors associated with traumatic loss-related PTSD in U.S. military veterans: Results from the National Health and Resilience in Veterans Study
Asch RH, Esterlis I, Southwick SM, Pietrzak RH. Risk and resilience factors associated with traumatic loss-related PTSD in U.S. military veterans: Results from the National Health and Resilience in Veterans Study. Psychiatry Research 2021, 298: 113775. PMID: 33578060, DOI: 10.1016/j.psychres.2021.113775.Peer-Reviewed Original ResearchMeSH KeywordsHumansLonelinessProtective FactorsStress Disorders, Post-TraumaticUnited StatesVeteransConceptsPosttraumatic stress disorderU.S. military veteransAttachment styleResilience factorsMilitary veteransPTSD symptom severitySomatic symptomsTraumatic eventsStress disorderPsychosocial correlatesPositive screenVeterans StudyNational HealthSudden deathSymptom severityTherapeutic targetU.S. veteransStrongest correlate
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