2023
Evaluation 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
Posttraumatic 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 patterns
2021
Community 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 youth
2019
Risk Factors Associated with Alcohol Use in Early Adolescence among American Inner-City Youth: A Longitudinal Study
Isaksson J, Sjöblom S, Schwab-Stone M, Stickley A, Ruchkin V. Risk Factors Associated with Alcohol Use in Early Adolescence among American Inner-City Youth: A Longitudinal Study. Substance Use & Misuse 2019, 55: 358-366. PMID: 31686574, DOI: 10.1080/10826084.2019.1671867.Peer-Reviewed Original ResearchRisk and Protective Factors for Problematic Drinking in Early Adolescence: A Systematic Approach
Isaksson J, Schwab-Stone M, Stickley A, Ruchkin V. Risk and Protective Factors for Problematic Drinking in Early Adolescence: A Systematic Approach. Child Psychiatry & Human Development 2019, 51: 231-238. PMID: 31468271, PMCID: PMC7067730, DOI: 10.1007/s10578-019-00925-1.Peer-Reviewed Original ResearchConceptsAlcohol-related problemsInterpersonal factorsEarly adolescenceSubsequent alcohol-related problemsSixth gradeAlcohol useProspective research programSixth-grade studentsConduct problemsDelinquent peersExternalizing symptomsProblematic drinkingMarker of riskIndividual risk factorsFuture health problemsDecreased perceptionSeventh gradeContextual factorsSelf-reported informationProtective factorsRisk factorsDepressive symptomsWhite ethnicityHealth problemsAdolescenceAttention-Deficit/Hyperactivity Disorder Symptoms and Community Violence Exposure in Russian Adolescents
Stickley A, Koposov R, Koyanagi A, Oh H, Ruchkin V. Attention-Deficit/Hyperactivity Disorder Symptoms and Community Violence Exposure in Russian Adolescents. Journal Of Interpersonal Violence 2019, 36: np9738-np9756. PMID: 31288607, DOI: 10.1177/0886260519861651.Peer-Reviewed Original ResearchConceptsCommunity violence exposureAttention-deficit/hyperactivity disorder (ADHD) symptomsHyperactivity disorder symptomsADHD symptomsDisorder symptomsViolence exposureHigher ADHD symptomsADHD groupADHD boysADHD statusInattention scalePsychological outcomesRole of genderPeer relationsRussian adolescentsComorbid psychopathologyDifficulties QuestionnaireCommunity violenceDevelopmental disordersAdolescentsFuture researchViolence victimizationVictimizationChildrenWitnessingAttention deficit/hyperactivity disorder and future expectations in Russian adolescents
Stickley A, Koposov R, Kamio Y, Takahashi H, Koyanagi A, Inoue Y, Yazawa A, Ruchkin V. Attention deficit/hyperactivity disorder and future expectations in Russian adolescents. ADHD Attention Deficit And Hyperactivity Disorders 2019, 11: 279-287. PMID: 30852726, DOI: 10.1007/s12402-019-00292-w.Peer-Reviewed Original ResearchConceptsAttention-deficit/hyperactivity disorderDeficit/hyperactivity disorderNegative future expectationsADHD statusHyperactivity disorderRussian adolescentsTeacher-reported ADHD symptomsFuture expectationsDifferent life domainsSchool-based sampleADHD symptomsRisky health behaviorsEducational expectationsLife domainsAdolescentsFuture outcomesCurrent studyAdolescenceHealth behaviorsExpectationsDisordersRegression analysisResearch gapResearchADHD and depressive symptoms in adolescents: the role of community violence exposure
Stickley A, Koposov R, Koyanagi A, Inoue Y, Ruchkin V. ADHD and depressive symptoms in adolescents: the role of community violence exposure. Social Psychiatry And Psychiatric Epidemiology 2019, 54: 683-691. PMID: 30706080, DOI: 10.1007/s00127-019-01662-5.Peer-Reviewed Original ResearchConceptsAttention-deficit/hyperactivity disorderDepressive symptomsCommunity violence exposureADHD symptomsViolence exposureCommunity violenceEpidemiologic Studies Depression ScaleEarly therapeutic interventionCo-occurring depressionLogistic regression analysisMultivariable analysisUnivariable analysisTherapeutic interventionsSymptomsVictims of violenceHyperactivity disorderDepressionNon-ADHD adolescentsHealth assessmentRegression analysisAdolescentsExposureOddsCurrent studyAssociation
2018
The danger of being inattentive – ADHD symptoms and risky sexual behaviour in Russian adolescents
Isaksson J, Stickley A, Koposov R, Ruchkin V. The danger of being inattentive – ADHD symptoms and risky sexual behaviour in Russian adolescents. European Psychiatry 2018, 47: 42-48. PMID: 29100171, DOI: 10.1016/j.eurpsy.2017.09.004.Peer-Reviewed Original ResearchConceptsHyperactivity/impulsivity symptomsConduct problemsRussian adolescentsRisky sexual behaviorImpulsivity symptomsADHD symptomsAttention-deficit/hyperactivity disorder (ADHD) symptomsSubstance useHyperactivity/impulsivityHyperactivity disorder symptomsDifferent parenting stylesInattention symptomsParenting stylesDisorder symptomsTeacher ratingsPerception of riskSexual behaviorBinge drinkingAdolescentsPrior researchRisk perceptionOrganizing behaviorInattentionDetrimental outcomesCohort sample
2017
Attention-deficit/hyperactivity disorder and physical multimorbidity: A population-based study
Stickley A, Koyanagi A, Takahashi H, Ruchkin V, Inoue Y, Kamio Y. Attention-deficit/hyperactivity disorder and physical multimorbidity: A population-based study. European Psychiatry 2017, 45: 227-234. PMID: 28957792, DOI: 10.1016/j.eurpsy.2017.07.010.Peer-Reviewed Original ResearchConceptsPossible attention-deficit/hyperactivity disorderAttention-deficit/hyperactivity disorderHyperactivity disorderAdult attention-deficit/hyperactivity disorderPhysical multimorbidityStressful life eventsPhysical diseaseADHD symptomsPhysical health conditionsSignificant mediatorAdult Psychiatric Morbidity Survey 2007Life eventsMediation analysisPopulation-based studyMultivariable logistic regressionPoor health outcomesTimes higher oddsEnglish general populationLittle researchDoctor/Higher oddsGeneral populationMultimorbidityHealth outcomesHealth professionalsSources of Heterogeneity in Developmental Outcomes of Children With Past and Current Experiences of Institutionalization in Russia: A Four-Group Comparison
Rakhlin N, Hein S, Doyle N, Hart L, Koposov R, Macomber D, Ruchkin V, Strelina A, Tan M, Grigorenko EL. Sources of Heterogeneity in Developmental Outcomes of Children With Past and Current Experiences of Institutionalization in Russia: A Four-Group Comparison. American Journal Of Orthopsychiatry 2017, 87: 242-255. PMID: 27078048, DOI: 10.1037/ort0000146.Peer-Reviewed Original Research
2016
Unseen and Stressed? Gender Differences in Parent and Teacher Ratings of ADHD Symptoms and Associations With Perceived Stress in Children With ADHD
Isaksson J, Ruchkin V, Lindblad F. Unseen and Stressed? Gender Differences in Parent and Teacher Ratings of ADHD Symptoms and Associations With Perceived Stress in Children With ADHD. Journal Of Attention Disorders 2016, 24: 1565-1569. PMID: 27401240, DOI: 10.1177/1087054716658381.Peer-Reviewed Original ResearchConceptsTeacher ratingsADHD Symptoms Rating ScaleTeacher ADHD ratingsLower teacher ratingsPerception of stressADHD problemsADHD symptomsADHD ratingsHyperactivity symptomsSchool settingsParental ratingsPotential gender biasPerceived stressStress ScaleADHDTeachersSymptom Rating ScaleGender differencesRatingsSymptom ScaleParentsChildrenSense of pressureRating ScaleGender bias
2015
Exploring possible association between DβH genotype (C1021T), early onset of conduct disorder and psychopathic traits in juvenile delinquents
Isaksson J, Grigorenko EL, Oreland L, af Klinteberg B, Koposov RA, Ruchkin V. Exploring possible association between DβH genotype (C1021T), early onset of conduct disorder and psychopathic traits in juvenile delinquents. European Archives Of Psychiatry And Clinical Neuroscience 2015, 266: 771-773. PMID: 26616837, DOI: 10.1007/s00406-015-0664-3.Peer-Reviewed Original ResearchBinge Drinking and Eating Problems in Russian Adolescents
Stickley A, Koyanagi A, Koposov R, McKee M, Murphy A, Ruchkin V. Binge Drinking and Eating Problems in Russian Adolescents. Alcohol Clinical And Experimental Research 2015, 39: 540-547. PMID: 25703623, DOI: 10.1111/acer.12644.Peer-Reviewed Original ResearchConceptsBinge drinkingOdds ratioCross-sectional school-based surveyLogistic regression analysisSchool-based surveyDepressive symptomsVomiting/Alcohol misuseExcessive eatingEating problemsSuitable interventionsHealth assessmentDrinkingRegression analysisDemographic factorsAdolescentsBingeAdolescent boysRegression modelsGirlsMore researchAssociationBoysDetrimental effectsLaxativesCorrelates of Weapon Carrying in School among Adolescents in Three Countries
Stickley A, Koyanagi A, Koposov R, Blatný M, Hrdlička M, Schwab-Stone M, Ruchkin V. Correlates of Weapon Carrying in School among Adolescents in Three Countries. American Journal Of Health Behavior 2015, 39: 99-108. PMID: 25290602, DOI: 10.5993/ajhb.39.1.11.Peer-Reviewed Original Research
2014
Community violence exposure and severe posttraumatic stress in suburban American youth: risk and protective factors
Löfving–Gupta S, Lindblad F, Stickley A, Schwab-Stone M, Ruchkin V. Community violence exposure and severe posttraumatic stress in suburban American youth: risk and protective factors. Social Psychiatry And Psychiatric Epidemiology 2014, 50: 539-547. PMID: 25301519, DOI: 10.1007/s00127-014-0965-2.Peer-Reviewed Original ResearchConceptsSevere posttraumatic stressCommunity violence exposureViolence exposureDepressive symptomsPosttraumatic stressCommunity violenceComorbid depressive symptomsProtective effectProtective factorsSubstantial proportionHealth assessment studiesHigh levelsNeighborhood safetySymptomsPrevalenceNorth American settingHigh school adolescentsExposureSubstantial numberPotential factorsPsychological effectsLow levelsAmerican youthExternalizing problemsDetrimental effectsLoneliness and health risk behaviours among Russian and U.S. adolescents: a cross-sectional study
Stickley A, Koyanagi A, Koposov R, Schwab-Stone M, Ruchkin V. Loneliness and health risk behaviours among Russian and U.S. adolescents: a cross-sectional study. BMC Public Health 2014, 14: 366. PMID: 24735570, PMCID: PMC4020347, DOI: 10.1186/1471-2458-14-366.Peer-Reviewed Original ResearchConceptsHealth risk behaviorsSexual risk behaviorsRisk behaviorsSubstance useHigher oddsCross-sectional studyAdolescent health risk behaviorsU.S. adolescentsSchool-based surveyBinge drinkingDepressive symptomsAlcohol consumptionLogistic regressionAdolescent substance useEffective interventionsDemographic characteristicsLifetime useIllicit drugsSexual behaviorHealth assessmentLifetime marijuana useMarijuana useBoysGirlsAdolescentsPro-bullying attitudes among incarcerated juvenile delinquents: Antisocial behavior, psychopathic tendencies and violent crime
Wiklund G, Ruchkin V, Koposov R, Klinteberg B. Pro-bullying attitudes among incarcerated juvenile delinquents: Antisocial behavior, psychopathic tendencies and violent crime. International Journal Of Law And Psychiatry 2014, 37: 281-288. PMID: 24468507, DOI: 10.1016/j.ijlp.2013.11.019.Peer-Reviewed Original Research