2024
The severity of perceived stress associated with community violence exposure and its role in future posttraumatic stress: findings from a longitudinal study of U.S. adolescents
Isaksson J, Nyman S, Schwab-Stone M, Stickley A, Ruchkin V. The severity of perceived stress associated with community violence exposure and its role in future posttraumatic stress: findings from a longitudinal study of U.S. adolescents. Child And Adolescent Psychiatry And Mental Health 2024, 18: 121. PMID: 39322966, PMCID: PMC11423508, DOI: 10.1186/s13034-024-00813-0.Peer-Reviewed Original ResearchPosttraumatic stress disorder symptomsPosttraumatic stress disorderViolence exposurePTSD symptom levelsExposed to community violenceLongitudinal study of U.S. adolescentsCommunity violence exposureLevels of perceived stressStudy of U.S. adolescentsAssociated with poor mental healthDegree of perceived stressStress disorderU.S. adolescentsSymptom levelsPosttraumatic stressPoor mental healthCommunity violenceLongitudinal associationsStress severityMental healthSituational factorsLongitudinal studyEarly interventionAdolescentsSymptomsLoneliness 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 associationWordsEnuresis in young offenders – a study on prevalence and mental health comorbidity
Koposov R, Stickley A, Isaksson J, Ruchkin V. Enuresis in young offenders – a study on prevalence and mental health comorbidity. Frontiers In Psychiatry 2024, 15: 1328767. PMID: 38559400, PMCID: PMC10978753, DOI: 10.3389/fpsyt.2024.1328767.Peer-Reviewed Original ResearchYoung offendersMental health problemsDelinquent youthComorbid psychopathologySemi-structured psychiatric interviewAssociated with increased mental health problemsComprehensive mental health screeningIncarcerated young offendersJuvenile justice systemMale young offendersComorbid psychiatric diagnosesClinical diagnostic interviewsSelf-reported mental health problemsSchool-age periodMental health comorbidityMental health screeningJustice systemDelinquent behaviorDiagnostic InterviewPsychiatric comorbidityPsychiatric interviewPsychiatric diagnosisSuicidal ideationOffendersSuicidal thoughtsAttention-Deficit/Hyperactivity Disorder Symptoms and Anger and Aggression in Russian Adolescents
Isaksson J, Sukhodolsky D, Koposov R, Stickley A, Ramklint M, Ruchkin V. Attention-Deficit/Hyperactivity Disorder Symptoms and Anger and Aggression in Russian Adolescents. JAACAP Open 2024 DOI: 10.1016/j.jaacop.2024.01.006.Peer-Reviewed Original ResearchAttention-deficit/hyperactivity disorder symptomsAttention-deficit/hyperactivity disorderLevels of ADHD symptomsComponents of aggressionTrait angerADHD symptomsConduct problemsAttention-deficit/hyperactivityComorbid problemsSocial aggressionHigher levels of trait angerLevels of trait angerTreat attention-deficit/hyperactivity disorderLevels of social aggressionClinically significant levelsAnger ruminationSelf-reported dataProactive aggressionLinear model analysisDisorder symptomsAggressive beliefsIndependent of comorbidityVerbal aggressionAggressive behaviorGeneral linear model analysisLongitudinal associations between community violence exposure, posttraumatic stress symptoms, and eating disorder symptoms
Isaksson M, Isaksson J, Schwab-Stone M, Ruchkin V. Longitudinal associations between community violence exposure, posttraumatic stress symptoms, and eating disorder symptoms. Journal Of Eating Disorders 2024, 12: 6. PMID: 38212849, PMCID: PMC10785541, DOI: 10.1186/s40337-024-00965-6.Peer-Reviewed Original ResearchCommunity violence exposurePosttraumatic stress symptomsED symptomsPosttraumatic stressCommunity violenceViolence exposureVictims of community violenceSelf-rating instrumentAdolescent functioningStress symptomsTraumatic eventsEmotional abuseMediation analysisCity of New HavenPotential mediatorsLongitudinal associationsBackgroundEating disordersModerating roleAdolescent studentsTreated individualsModerating effectAssociated with different typesPhysical violenceSymptomsModerately
2023
Psychological distress and voting behaviour in nine countries of the former Soviet Union
Stickley A, Sumiyoshi T, Kondo N, Leinsalu M, Inoue Y, Ruchkin V, Shin J, McKee M. Psychological distress and voting behaviour in nine countries of the former Soviet Union. Scientific Reports 2023, 13: 22709. PMID: 38123608, PMCID: PMC10733372, DOI: 10.1038/s41598-023-49071-8.Peer-Reviewed Original ResearchDepressive symptoms and anger and aggression in Russian adolescents
Ruchkin V, Stickley A, Koposov R, Sukhodolsky D, Isaksson J. Depressive symptoms and anger and aggression in Russian adolescents. Child And Adolescent Psychiatry And Mental Health 2023, 17: 130. PMID: 37974287, PMCID: PMC10652468, DOI: 10.1186/s13034-023-00677-w.Peer-Reviewed Original ResearchComorbid mental health problemsMental health problemsAnger ruminationComorbid problemsDepressive symptomsTypes of angerAggressive behaviorOvert aggressive behaviorLevel of depressionAggression variablesVerbal aggressionSocial aggressionRussian adolescentsAngerGeneral population sampleDepressive episodeAggressionInconsistent findingsAdolescentsHealth problemsCurrent major depressive episodeSubthreshold depressive symptomsRuminationMajor depressive episodeSignificant depressive episodeCommunity Violence Exposure and Eating Disorder Symptoms among Belgian, Russian and US Adolescents: Cross-Country and Gender Perspectives
Isaksson J, Isaksson M, Stickley A, Vermeiren R, Koposov R, Schwab-Stone M, Ruchkin V. Community Violence Exposure and Eating Disorder Symptoms among Belgian, Russian and US Adolescents: Cross-Country and Gender Perspectives. Child Psychiatry & Human Development 2023, 1-10. PMID: 37606867, DOI: 10.1007/s10578-023-01590-1.Peer-Reviewed Original ResearchCommunity violence exposureMore ED symptomsED symptomsDisorder symptomsViolence exposureEating Disorder SymptomsSelf-reported dataPosttraumatic stressAdverse childhood experiencesComorbid symptomsChildhood experiencesAdolescentsGender differencesPresent cross-sectional studyDifferent culturesUS adolescentsCommon adverse childhood experiencesAnxietySymptomsComorbid conditionsDepressionAssociationGirlsBoysGender perspectiveEvaluation of Birth Weight and Neurodevelopmental Conditions Among Monozygotic and Dizygotic Twins
Isaksson J, Ruchkin V, Ljungström T, Bölte S. Evaluation of Birth Weight and Neurodevelopmental Conditions Among Monozygotic and Dizygotic Twins. JAMA Network Open 2023, 6: e2321165. PMID: 37389871, PMCID: PMC10314302, DOI: 10.1001/jamanetworkopen.2023.21165.Peer-Reviewed Original ResearchConceptsAttention-deficit/hyperactivity disorderLow birth weightBirth weightHigh birth weightLower oddsNeurodevelopmental conditionsIntellectual disabilityFetal growth restrictionCase-control studyMonozygotic twinsDizygotic twinsTwin pairsMedian ageGrowth restrictionMAIN OUTCOMEGenetic predispositionEarly identificationCo-twin studyMonozygotic pairsDiagnostic assessmentHyperactivity disorderParticipant visitsGenetic riskADHD diagnosisDizygotic pairsBulimia symptoms and anger and aggression among adolescents
Koposov R, Stickley A, Sukhodolsky D, Ruchkin V. Bulimia symptoms and anger and aggression among adolescents. BMC Public Health 2023, 23: 833. PMID: 37147644, PMCID: PMC10161674, DOI: 10.1186/s12889-023-15664-1.Peer-Reviewed Original ResearchConceptsAnger ruminationBulimia symptomsBN symptomsEating Disorder Diagnostic ScaleState-Trait Anger Expression InventoryAggressive behaviorTrait Anger Expression InventoryDisorder Diagnostic ScaleSelf-report scalesAnger Rumination ScaleCommunity-based adolescentsAnger Expression InventoryBulimia nervosa diagnosisTrait Anger ScaleSocial aggressionPhysical aggressionRumination ScaleHigh angerAngerAnger ScaleRuminationAggression scoresDiagnostic ScaleAggressionAdolescentsLongitudinal Associations Between Community Violence Exposure and Mental Health Problems in Inner-City Youth: Ethnicity and Gender Perspectives
Ruchkin V, Isaksson J, Stickley A, Schwab-Stone M. Longitudinal Associations Between Community Violence Exposure and Mental Health Problems in Inner-City Youth: Ethnicity and Gender Perspectives. Journal Of Interpersonal Violence 2023, 38: 8619-8644. PMID: 36915222, PMCID: PMC10326367, DOI: 10.1177/08862605231158754.Peer-Reviewed Original ResearchConceptsMental health problemsCommunity violence exposureHealth problemsLongitudinal associationsViolence exposureDegree of severityYear 1Self-reported informationYear 2Ethnic groupsGender-specific responsesEthnic backgroundSocio-economic statusEarly preventionMultivariate analysisTimely recognitionTraumatic exposureDifferent ethnic backgroundsIntervention strategiesInner-city youthSimilar degreePosttraumatic stressExposureSimilar fashionRepresentative sample
2022
Attention–deficit/hyperactivity disorder symptoms, perceived stress, and suicidal ideation during the COVID-19 pandemic
Stickley A, Shirama A, Inagawa T, Ruchkin V, Koposov R, Isaksson J, Inoue Y, Sumiyoshi T. Attention–deficit/hyperactivity disorder symptoms, perceived stress, and suicidal ideation during the COVID-19 pandemic. Frontiers In Psychiatry 2022, 13: 1008290. PMID: 36440405, PMCID: PMC9682032, DOI: 10.3389/fpsyt.2022.1008290.Peer-Reviewed Original ResearchPast-year suicidal ideationSuicidal ideationAttention-deficit/hyperactivity disorder (ADHD) symptomsHyperactivity disorder symptomsSelf-perceived stressADHD symptomsHigher oddsCOVID-19 pandemicPatient Health QuestionnaireDisorder symptomsGeneralized Anxiety Disorder ScaleTimes higher oddsAdult ADHD Self-Report Scale ScreenerHealth-related outcomesAnxiety Disorder ScaleMental health variablesHealth QuestionnairePerceived Stress ScaleDepressive symptomsSociodemographic factorsSymptomsSuicidal behaviorHealth variablesLogistic regressionMental healthMemory training with the method of loci for children and adolescents with ADHD—A feasibility study
Ruchkin V, Wallonius M, Odekvist E, Kim S, Isaksson J. Memory training with the method of loci for children and adolescents with ADHD—A feasibility study. Applied Neuropsychology Child 2022, 13: 137-145. PMID: 36344263, DOI: 10.1080/21622965.2022.2141120.Peer-Reviewed Original ResearchMethod of lociPost-intervention ratingsMemory trainingMemory testADHD symptomsLack of motivationLack of routinesADHDPotential distractionDuration of trainingFuture researchParticipantsDistractionTrainingAdolescentsChildrenDay lifeQualitative dataContent analysisMotivationPeersParentsRatingsBaseline levelsInterventionPosttraumatic Stress and Perceived Interpersonal Provocation in Adolescents
Saunderson JM, Stickley A, Sturidsson K, Koposov R, Sukhodolsky DG, Ruchkin V. Posttraumatic Stress and Perceived Interpersonal Provocation in Adolescents. Journal Of Interpersonal Violence 2022, 38: 3191-3214. PMID: 35613735, PMCID: PMC9850389, DOI: 10.1177/08862605221104525.Peer-Reviewed Original ResearchConceptsPosttraumatic stress symptomsPosttraumatic stressStress symptomsProvocation scenariosPosttraumatic symptomsAggressive responsesPhysical aggressionAttribution of intentionalityInterpersonal provocationPeer provocationHostile intentionsChoice of responseAggressive reactionsAdolescent boysAggressive situationsConflict situationsOpposite patternHigh levelsAdolescentsAggressive behaviorAggressionGirlsDaily lifeBoysDifferent patternsNonshared environmental factors in the aetiology of autism and other neurodevelopmental conditions: a monozygotic co-twin control study
Isaksson J, Ruchkin V, Aho N, Lundin Remnélius K, Marschik P, Bölte S. Nonshared environmental factors in the aetiology of autism and other neurodevelopmental conditions: a monozygotic co-twin control study. Molecular Autism 2022, 13: 8. PMID: 35183250, PMCID: PMC8858556, DOI: 10.1186/s13229-022-00487-5.Peer-Reviewed Original ResearchConceptsAttention-deficit/hyperactivity disorderAutism spectrum disorderNeurodevelopmental conditionsCo-twin designHyperactivity disorderSpectrum disorderCo-twin control studyEarly environmental riskLower IQAutismEtiology of autismIntellectual disabilityPrevious researchEarly interventionEarly childhoodConclusionsThe findingsPostnatal riskEquation modelMonozygotic co‐twin control studyBackgroundA significant proportionRisk loadSeparate risk factorsTwin pairsTargeted preventionWeight discordanceBulimia Symptoms in Russian Youth: Prevalence and Association With Internalizing Problems
Koposov R, Stickley A, Ruchkin V. Bulimia Symptoms in Russian Youth: Prevalence and Association With Internalizing Problems. Frontiers In Psychiatry 2022, 12: 797388. PMID: 35126206, PMCID: PMC8811208, DOI: 10.3389/fpsyt.2021.797388.Peer-Reviewed Original ResearchProbable bulimia nervosaMental health problemsBulimia symptomsBulimia nervosaFunctional impairmentInternalizing problemsSelf-report scalesDemographic characteristicsSomatic anxietyInternalizing psychopathologyRussian adolescentsAnxiety symptomsProblem scoresSomatic complaintsBinge drinkingGeneral populationAnalysis of covarianceRussian youthHealth problemsTimely recognitionEarly preventionSymptomsIntervention strategiesClinical levelIndependent samples
2021
Prevalence and early risk factors for bulimia nervosa symptoms in inner-city youth: gender and ethnicity perspectives
Ruchkin V, Isaksson J, Schwab-Stone M, Stickley A. Prevalence and early risk factors for bulimia nervosa symptoms in inner-city youth: gender and ethnicity perspectives. Journal Of Eating Disorders 2021, 9: 136. PMID: 34674763, PMCID: PMC8529812, DOI: 10.1186/s40337-021-00479-5.Peer-Reviewed Original ResearchRisky sexual behaviour among Russian adolescents: association with internalizing and externalizing symptoms
Isaksson J, Westermark C, Koposov R, Stickley A, Ruchkin V. Risky sexual behaviour among Russian adolescents: association with internalizing and externalizing symptoms. Child And Adolescent Psychiatry And Mental Health 2021, 15: 40. PMID: 34372880, PMCID: PMC8353740, DOI: 10.1186/s13034-021-00393-3.Peer-Reviewed Original ResearchMultiple binary logistic regression analysisExternalizing symptomsBinary logistic regression analysisMajor health problemLogistic regression analysisSexual behaviorSymptoms of anxietyHIV infectionRisky sexual behaviorRisk markersHealth problemsSymptomsTeenage pregnancyProtective factorsMental wellbeingRegression analysisHigh rateAdolescentsInternalizing symptomsAssociationBoysPregnancyInfectionInternalizingResultsBoysCommunity Violence Exposure and School Functioning in Youth: Cross-Country and Gender Perspectives
Koposov R, Isaksson J, Vermeiren R, Schwab-Stone M, Stickley A, Ruchkin V. Community Violence Exposure and School Functioning in Youth: Cross-Country and Gender Perspectives. Frontiers In Public Health 2021, 9: 692402. PMID: 34386472, PMCID: PMC8353073, DOI: 10.3389/fpubh.2021.692402.Peer-Reviewed Original ResearchConceptsSchool functioningCommunity violence exposureTeacher Support ScaleClassroom Environment ScaleViolence exposureCommunity violenceSchool ScaleViolent eventsAcademic motivationSchool studentsSchoolsSelf-report surveyCross-country differencesProblem behaviorEnvironment ScaleRole of genderSocial support systemsStudentsPerceptions of safetyGender perspectiveYouthViolenceSupport ScaleGender differencesSample of youthNon-Suicidal Self-Injury Among Incarcerated Adolescents: Prevalence, Personality, and Psychiatric Comorbidity
Koposov R, Stickley A, Ruchkin V. Non-Suicidal Self-Injury Among Incarcerated Adolescents: Prevalence, Personality, and Psychiatric Comorbidity. Frontiers In Psychiatry 2021, 12: 652004. PMID: 34093271, PMCID: PMC8170036, DOI: 10.3389/fpsyt.2021.652004.Peer-Reviewed Original ResearchPost-traumatic stress disorderPsychiatric comorbiditySuicidal ideationNon-Suicidal Self-InjuryPrevious suicidal ideationIncarcerated adolescentsCommunity violence exposureRisk groupsNSSI groupSelf-report questionnairesPsychiatric interviewExtensive psychiatric comorbiditySelf-reported problemsStudy participantsSelf-InjuryStress disorderHistory of NSSIViolence exposureNSSIComorbiditiesMale adolescentsAdolescentsHigh rateSuicide methodsIdeation