2025
Linking prolonged childhood and adolescent loneliness to schizophrenia spectrum disorders: results from EU-GEI study.
Andreu-Bernabeu Á, González-Peñas J, Mora A, Bernardo M, Mezquida G, Amoretti S, Bobes J, Saiz P, García-Portilla M, Sanjuan J, Santos J, Jiménez-López E, Arrojo M, Carracedo A, Parellada M, Maric N, Atbaşoğlu C, Üçok A, Alptekin K, Saka M, Pries L, O'Donovan M, van Os J, Rutten B, Delespaul P, Guloksuz S, Arango C, Díaz-Caneja C. Linking prolonged childhood and adolescent loneliness to schizophrenia spectrum disorders: results from EU-GEI study. The British Journal Of Psychiatry 2025, 1-9. PMID: 40519115, DOI: 10.1192/bjp.2025.100.Peer-Reviewed Original ResearchGene-environment interactionsGenetic riskSchizophrenia spectrum disordersAdverse mental health outcomesGenetic liabilityAssociated with higher oddsPolygenic risk scoresIdentification of high-risk individualsMental health outcomesRelative excess riskHigh-risk individualsEU-GEILogistic regression modelsHealth outcomesExcess riskHigher oddsPrevention strategiesVulnerable populationsRisk scoreRegression modelsLonelinessEarly identificationLong-term effectsWorsening symptomsAssociated with psychosisLoneliness Among US Veterans With Problematic Substance Use: Results From the National Health and Resilience in Veterans Study
Na P, Pless Kaiser A, McCurdy L, Fischer I, Jeste D, Petrakis I, Potenza M, Pietrzak R. Loneliness Among US Veterans With Problematic Substance Use: Results From the National Health and Resilience in Veterans Study. Journal Of Addiction Medicine 2025 DOI: 10.1097/adm.0000000000001508.Peer-Reviewed Original ResearchProblematic substance useNational Health and ResilienceSocial network sizeCorrelates of lonelinessVeterans StudyDepressive symptomsUS veteransPsychological distressSubstance useLifetime suicide attemptsPosttraumatic stress symptomsThree-Item Loneliness ScaleUS military veteransPurpose in lifeSuicide attemptsStress symptomsPervasive public health problemBurden of lonelinessLikelihood of lonelinessMilitary veteransNationally representative sampleLoneliness ScaleMultivariate logistic regressionPublic health problemLonelinessSex 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
Analysis of changes in social isolation, loneliness, or both, and subsequent cognitive function among older adults: Findings from a nationwide cohort study
Huang Q, Zhang P, Shen D, Gao J, Li Z, Lv Y, Shi X, Mao C. Analysis of changes in social isolation, loneliness, or both, and subsequent cognitive function among older adults: Findings from a nationwide cohort study. Alzheimer's & Dementia 2024, 20: 5674-5683. PMID: 38946708, PMCID: PMC11350036, DOI: 10.1002/alz.14080.Peer-Reviewed Original ResearchAssociated with accelerated cognitive declineCognitive impairment riskPersistent lonelinessSocial isolationCognitive declineOlder adultsImpairment riskChinese Longitudinal Healthy Longevity SurveyIncident cognitive impairmentCognitive impairmentAssociation of changesNationwide cohort studyAccelerated cognitive declineCognitive functionLongevity SurveyCohort studyChanging statusLonelinessRisk factorsRegression modelsTobit regression modelCox modelShort-termRiskAdultsLoneliness and posttraumatic stress in U.S. adolescents: A longitudinal study
Stickley A, Isaksson J, Koposov R, Schwab-Stone M, Sumiyoshi T, Ruchkin V. Loneliness and posttraumatic stress in U.S. adolescents: A longitudinal study. Journal Of Affective Disorders 2024, 361: 113-119. PMID: 38852860, DOI: 10.1016/j.jad.2024.06.015.Peer-Reviewed Original ResearchPosttraumatic stressChild post-traumatic stressAssociated with posttraumatic stressPath analysisPost-traumatic stressAssociated with lonelinessSingle-item measureYear 1Single-item questionCPTS-RIU.S. school studentsDegree of lonelinessReaction IndexLongitudinal associationsLongitudinal researchYear 2Assess lonelinessReduce lonelinessLonelinessAdolescentsLongitudinal studySchool studentsU.S. adolescentsTime associationWordsFamily Member Incarceration and Loneliness Among Low-Income U.S. Veterans
Testa A, Tsai J. Family Member Incarceration and Loneliness Among Low-Income U.S. Veterans. American Journal Of Orthopsychiatry 2024, 94: 352-361. PMID: 38421747, DOI: 10.1037/ort0000736.Peer-Reviewed Original ResearchFamily member incarcerationU.S. military veteransLoneliness indexU.S. veteransExposure to incarcerationMilitary veteransVeteran homelessnessPerception of lonelinessFeelings of lonelinessMultinomial logistic regressionLack companionshipIncarcerationConsequences of lonelinessReport feelingLow-incomeVeteran communityPotential adverse consequencesLogistic regressionVeteransSocial relationshipsWell-beingFamily membersIncreased riskLonelinessMultiple Poisson
2023
A 2-year mental health follow-up study subsequent to COVID-19
Hu K, Hu Y, Godfrey K, Li Q, Li C. A 2-year mental health follow-up study subsequent to COVID-19. Psychiatry Research 2023, 333: 115684. PMID: 38219344, DOI: 10.1016/j.psychres.2023.115684.Peer-Reviewed Original ResearchConceptsAcademic difficultiesCollege studentsMeasures of lonelinessPandemic onsetPandemic-induced stressMental health impactsPsychological symptomsSex differencesHeightened fearEmotional statesMental healthLearning difficultiesParticipants' fearLonelinessFearStudentsEducation of college studentsDifficultiesResilienceMid-2022HappinessOnsetSymptomsUnited StatesParticipantsThe 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 ResearchConceptsAssociated 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 pandemicLoneliness, Pornography Use, Problematic Pornography Use, and Compulsive Sexual Behavior
Mestre-Bach G, Potenza M. Loneliness, Pornography Use, Problematic Pornography Use, and Compulsive Sexual Behavior. Current Addiction Reports 2023, 10: 664-676. DOI: 10.1007/s40429-023-00516-0.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsCompulsive sexual behavior disorderProblematic pornography usePornography useCompulsive sexual behaviorSexual behavior disorderSubjective experienceSocial interactionBehavior disorderLonelinessEffective interventionsBidirectional natureHigh levelsPositive associationPotential predictorsSexual behaviorThe impact of psychological strengths on Veteran populations’ mental health trajectories during the COVID-19 pandemic
McCleery A, Wynn J, Novacek D, Reavis E, Senturk D, Sugar C, Tsai J, Green M. The impact of psychological strengths on Veteran populations’ mental health trajectories during the COVID-19 pandemic. Social Psychiatry And Psychiatric Epidemiology 2023, 59: 111-120. PMID: 37314492, PMCID: PMC10719422, DOI: 10.1007/s00127-023-02518-9.Peer-Reviewed Original ResearchPsychological strengthsControl veteransPsychotic disordersSocio-emotional challengesMental health symptomsMental health outcomesMental health trajectoriesHealth trajectoriesPsychological factorsAnxious symptomsContamination concernsHealth symptomsSocial connectionsCOVID-19 pandemicDepressive symptomsAmeliorate changesTime-varying effectsVeteransLonelinessVeteran populationHealth outcomesInitial assessmentAnxietyEarly effectsLate effectsThe effects of social belonging and kindness on stress and well‐being during the COVID‐19 pandemic: A longitudinal experiment
Nelson‐Coffey S, Layous K, Coffey J, Mayes L. The effects of social belonging and kindness on stress and well‐being during the COVID‐19 pandemic: A longitudinal experiment. Social And Personality Psychology Compass 2023, 17 DOI: 10.1111/spc3.12798.Peer-Reviewed Original ResearchPositive emotionsLongitudinal experimentSelf-directed strategiesPre-registered hypothesesPandemic-related stressImproved life satisfactionLong-term stressorsNegative emotionsPerceived stressEmotional benefitsLife satisfactionEmotionsSignificant stressorsSocial belongingPreliminary evidenceCOVID-19 pandemicStressorsKindnessMore researchAffirmationPeople's livesAnxietyLonelinessParticipantsSatisfactionThe 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 analysis
2022
Attachment, 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 pandemicLonelinessReduced social contact and attachment insecurity as predictors of loneliness during COVID-19: A two-month experience sampling study
Lewis K, Roche M, Brown F, Tillman J. Reduced social contact and attachment insecurity as predictors of loneliness during COVID-19: A two-month experience sampling study. Personality And Individual Differences 2022, 195: 111672. PMID: 35475241, PMCID: PMC9023336, DOI: 10.1016/j.paid.2022.111672.Peer-Reviewed Original ResearchExperience sampling periodDaily social contactsAttachment styleSocial contactPsychological distressExperience Sampling StudyDaily social behaviorReduced social contactGeneral adult samplesAttachment insecurityPredictors of lonelinessPersonality factorsAttachment traitsAdult samplesPersonality characteristicsSocial behaviorMental healthFuture empirical studiesLonelinessClinical interventionsDistressSampling studyCOVID-19 pandemicMajor public health concernGreater experienceSex Differences and Similarities in Risk Factors of Physical Aggression in Adolescence
Henriksen M, Skrove M, Hoftun G, Lydersen S, Stover C, Kalvin C, Sukhodolsky D. Sex Differences and Similarities in Risk Factors of Physical Aggression in Adolescence. Journal Of Child And Family Studies 2022, 32: 1177-1191. DOI: 10.1007/s10826-022-02284-3.Peer-Reviewed Original ResearchPhysical aggressionAttention problemsTrauma exposurePTSD symptomsTraumatic eventsSubstance useSex differencesAlcohol intoxicationSelf-esteem problemsMental health concernsConcurrent associationsUnique associationAggressionRisk factorsAdolescenceYoung-HUNT3Percent of girlsCurrent studyInteraction effectsAnxietyPercent of boysGirlsBoysLonelinessTotal sample
2019
John T. Cacioppo (1951–2018)
Rubin P. John T. Cacioppo (1951–2018). American Psychologist 2019, 74: 745-745. PMID: 31545646, DOI: 10.1037/amp0000446.Peer-Reviewed Original Research
2016
Evaluating the Psychological Concomitants of Other-Sex Crush Experiences During Early Adolescence
Bowker J, Etkin R. Evaluating the Psychological Concomitants of Other-Sex Crush Experiences During Early Adolescence. Journal Of Youth And Adolescence 2016, 45: 846-857. PMID: 26984754, PMCID: PMC4826819, DOI: 10.1007/s10964-016-0470-x.Peer-Reviewed Original ResearchConceptsTime 1Psychological concomitantsEarly adolescenceTwo-wave longitudinal studyDepressive symptomsPsychological adjustment outcomesSelf-report measuresPeer nomination measuresLittle empirical attentionAdjustment outcomesFriendship involvementTime 2Nomination measuresYoung adolescentsEmpirical attentionFirst empirical evidenceMutual friendshipsLongitudinal studyProtective factorsAdolescenceSuch experiencesInteraction effectsLonelinessEmpirical evidenceExperience
2014
Mixed-Grade Rejection and Its Association With Overt Aggression, Relational Aggression, Anxious-Withdrawal, and Psychological Maladjustment
Bowker J, Etkin R. Mixed-Grade Rejection and Its Association With Overt Aggression, Relational Aggression, Anxious-Withdrawal, and Psychological Maladjustment. The Journal Of Genetic Psychology 2014, 175: 35-50. PMID: 24796153, DOI: 10.1080/00221325.2013.799060.Peer-Reviewed Original ResearchConceptsRelational aggressionMiddle school settingSchool settingsSelf-report measuresSeventh-grade boysAnxious withdrawalPsychological maladjustmentPsychological adjustmentPeer contextPeer nominationsPeer relationsEighth-grade studentsOvert aggressionAggressionSchool-wide modelMaladjustmentGrade rejectionLonelinessParticipantsAdjustmentNominationsBoysStudentsAssociationMeasures
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