• Attention-deficit/hyperactivity disorder symptoms, perceived stress, and suicidal ideation during the COVID-19 pandemic 

      Stickley, Andrew; Shirama, Aya; Inagawa, Takuma; Ruchkin, Vladislav; Koposov, Roman A; Isaksson, Johan; Inoue, Yosuke; Sumiyoshi, Tomiki (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-11-09)
      Objective: Attention–deficit/hyperactivity disorder (ADHD) symptoms have been linked to suicidal behavior. However, little is known about the mechanisms involved in this association. This study examined ADHD symptoms and suicidal ideation during the COVID-19 pandemic and the role of self–perceived stress in this association.<p> <p>Method: Data were analyzed from an online sample of 1,452 Japanese ...
    • Attitudes of Mental Health Service Users Toward Storage and Use of Electronic Health Records 

      Bakken, Victoria; Koposov, Roman A; Røst, Thomas Brox; Clausen, Carolyn; Nytrø, Øystein; Leventhal, Bennett; Westbye, Odd Sverre; Koochakpour, Kaban; Mandahl, Arthur; Hafstad, Hege; Skokauskas, Norbert (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-09-01)
      Objective: Electronic health records (EHRs) are used for both clinical practice and research. Because mental health service users’ views are underrepresented in perspectives on EHR use, the authors examined service users’ awareness, attitudes, and opinions about EHR data storage and sharing.<p> <p>Methods: A mixed-methods, cross-sectional design was used to examine attitudes of 253 Norwegian ...
    • Bulimia symptoms and anger and aggression among adolescents 

      Koposov, Roman A; Stickley, Andrew; Sukhodolsky, D; Ruchkin, Vladislav (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-05-05)
      Background Previous research has indicated that anger and aggression may be elevated in adolescents with a bulimia nervosa (BN) diagnosis. However, as yet, little is known about whether bulimia symptoms are linked to anger and aggression in adolescents in the general population. To address this deficit this study aimed to explore the associations between a clinical level of bulimia symptoms (CLBS) ...
    • Bulimia symptoms in Russian youth: Prevalence and association with internalizing problems 

      Koposov, Roman A; Stickley, Andrew; Ruchkin, Vladislav (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-01-20)
      <p><b>Background:</b> There has been limited research on bulimia symptoms in adolescents from the general population outside the United States. This study aimed to evaluate the prevalence of bulimia symptoms in Russian youth and explore the associations between a clinical level of self-reported probable bulimia nervosa (BN) and internalizing problems, binge drinking and functional impairment by ...
    • Clinical decision support methods for children and youths with mental health disorders in primary care. 

      van Venrooij, Lennard T; Rusu, Vlad R; Vermeiren, Robert; Koposov, Roman A; Skokauskas, Norbert; Crone, Matty R (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-06-03)
      Background: Mental health disorders among children and youths are common and often have negative consequences for children, youths, and families if unrecognized and untreated. With the goal of early recognition, primary care physicians (PCPs) play a signifcant role in the detection and referral of mental disorders. However, PCPs report several barriers related to confdence, knowledge, and ...
    • Clinical Decision Support Systems for Child Neuropsychiatric Disorders: The Time Has Come? 

      Koposov, Roman A; Frodl, Thomas; Nytrø, Øystein; Leventhal, Bennett; Sourander, Andre; Quaglini, Silvana; Molteni, Massimo; de la Iglesia Vayá, María; Ulrich Prokosch, Hans; Barbarini, Nicola; Milham, Michael Peter; Skokauskas, Norbert; Castellanos, Francisco Xavier (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-04-10)
      Great advances in molecular biology, genetics and imaging serve to enhance the desire to develop multi-level and multi-scale models for "personalized medicine" but they remain very challenging for high prevalence, high impact childhood onset neuropsychiatric disorders. We currently have the capacity to develop innovative, effective and efficient clinical decision support models, while also creating ...
    • Community Violence Exposure and Eating Disorder Symptoms among Belgian, Russian and US Adolescents: Cross-Country and Gender Perspectives 

      Isaksson, Johan; Isaksson, Martina; Stickley, Andrew; Koposov, Roman A; Schwab-Stone, Mary; Ruchkin, Vladislav; Vermeiren, Robert (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-08-22)
      Community violence exposure (CVE) is one of the most common adverse childhood experiences worldwide. Despite this, its potential effect on disordered eating in adolescents from different cultures is underexplored. In the present crosssectional study, self-reported data were collected from 9751 students (Mean age=14.27) from Belgium, Russia and the US on CVE (witnessing violence and violence ...
    • Community Violence Exposure and School Functioning in Youth: Cross-Country and Gender Perspectives 

      Koposov, Roman A; Isaksson, Johan; Vermeiren, Robert; Schwab-Stone, Mary; Stickley, Andrew; Ruchkin, Vladislav (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-07-27)
      <i>Background</i>: Many children and adolescents experience violent events which can be associated with negative consequences for their development, mental health, school, and social functioning. However, findings between settings and on the role of gender have been inconsistent. This study aimed to investigate cross-country and gender differences in the relationship between community violence ...
    • Community violence exposure and substance use: cross‑cultural and gender perspectives 

      Löfving‑Gupta, Sandra; Willebrand, Mimmie; Koposov, Roman A; Blatný, Marek; Hrdlička, Michal; Schwab‑Stone, Mary; Ruchkin, Vladislav (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-12-20)
      The negative effects of community violence exposure on child and adolescent mental health are well documented and exposure to community violence has been linked both to a number of internalizing and externalizing symptoms. Our aim was, therefore, to investigate cross-cultural and gender differences in the relationship between community violence exposure and substance abuse. A self-report survey was ...
    • Dopamine-related receptors, substance dependence, behavioral problems and personality among juvenile delinquents 

      Ruchkin, Vladislav; Koposov, Roman A; Oreland, Lars; af Klinteberg, Britt; Grigorenko, Elena L. (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-12-13)
      The objective was two-fold: to examine possible associations between dopamine-related genetic polymorphisms and (1) substance dependence; and (2) self-reported psychiatric disturbances, behavioral problems, and personality. Genotyping of single nucleotide polymorphisms (SNP: s) in COMT, DAT and DRD4 was conducted in 174 Russian male juvenile inmates (14–18 years of age) subdivided into having a ...
    • Early drinking onset: A study of prevalence and determinants among 13-year-old adolescents in Norway 

      Adolfsen, Frode; Strøm, Henriette Kyrrestad; Martinussen, Monica; Natvig, Henrik; Eisemann, Martin; Handegård, Bjørn Helge; Koposov, Roman A (Journal article; Tidsskriftartikkel; Peer reviewed, 2014)
    • Efficacy of Aggression Replacement Training among Children from North-West Russia 

      Koposov, Roman A; Gundersen, Knut; Svartdal, Frode (Journal article; Tidsskriftartikkel; Peer reviewed, 2014-11)
      The aim of the study was to assess whether the Aggression Replacement Training (ART) programme is effective in increasing social skills and decreasing problem behaviour. The sample consisted of 232 children (mean age 10.9 yrs, SD = 2.32), their parents and teachers. The study had a quasi-experimental design with intervention and control groups. Children were recruited from six schools and four social ...
    • Exposure to community violence, psychopathology, and personality traits in Russian youth. 

      Koposov, Roman A; Ruchkin, Vladislav (Journal article; Tidsskriftartikkel; Peer reviewed, 2011)
      Previous research with the US inner-city youth demonstrated the hazardous effects of community violence exposure. It remains unclear, however, whether these findings are generalizable to other cultures and populations. Furthermore, the role of factors influencing the processing of traumatic events such as personality has not been investigated. Two groups of Russian adolescents (community youth (N ...
    • Gender differences in alcohol onset and drinking frequency in adolescents: an application of the theory of planned behavior 

      Kyrrestad, Henriette; Mabille, Geraldine; Adolfsen, Frode; Koposov, Roman A; Martinussen, Monica (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-12-28)
      The Theory of Planned Behavior (TPB) is a model utilized to predict human behavior that was used to examine adolescents’ alcohol drinking behavior (onset and frequency of drinking). Longitudinal data collected over a 2 year period from Norwegian junior high school students (N ¼ 1,563) was used. Multilevel structural equation models was used to examine the utility of the TPB to explain variance ...
    • Inhalant use in adolescents in northern Russia 

      Koposov, Roman A; Stickley, Andrew; Ruchkin, Vladislav (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-05-02)
      <i>Purpose</i>: To determine the prevalence of inhalant use in Russian adolescents and to investigate associated psychosocial problems from a gender perspective. <p> <p><i>Methods</i>: Data on inhalant use and comorbid psychopathology were collected by means of self-reports from 2892 (42.4% boys) sixth to tenth grade students in public schools in Arkhangelsk, Russia. Multivariate analysis of ...
    • Kunnskapsoppsummering og klassifisering av tiltaket: PMTO–foreldregruppe (2. utg.) 

      Adolfsen, Frode; Reedtz, Charlotte; Koposov, Roman A; Fossum, Sturla (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-09-07)
      Denne artikkelen oppsummerer kunnskapen om effektene av PMTO-foreldregruppe (tidligere kalt TIBIR – Foreldregruppeintervensjonen) som intervensjon i TIBIR-programmet. Artikkelen er en revisjon av en tidligere beskrivelse av det samme tiltaket i Ungsinn, men er videreutviklet i henhold til Ungsinns nye kriterier og prosedyrer. Intervensjonen baserer seg på prinsippene fra Parent Management Training ...
    • Kunnskapsoppsummering og klassifisering av tiltaket: Kjærlighet og Grenser (3. utg.) 

      Bjørknes, Ragnhild; Koposov, Roman A; Eng, Helene (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-12-30)
      <p>BAKGRUNN Formålet med denne kunnskapsoppsummering er å undersøke om Kjærlighet og Grenser (v. 2019) er virksomt når det tilbys i vanlig praksis i Norge. Artikkelen bygger på en tidligere beskrivelse av det samme tiltaket i Ungsinn (Bjørknes, 2011; Bjørknes & Koposov, 2018). Tiltakseier har oppdatert programmet noe siden da og denne artikkelen tar utgangspunkt i den oppdaterte versjonen med et ...
    • Local, Early, and Precise: Designing a Clinical Decision Support System for Child and Adolescent Mental Health Services 

      Røst, Thomas Brox; Clausen, Carolyn E.; Øystein, Nytro; Koposov, Roman A; Leventhal, Bennett; Westbye, Odd Sverre; Bakken, Victoria; Flygel, Linda; Koochakpour, Kaban; Skokauskas, Norbert (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-12-15)
      Mental health disorders often develop during childhood and adolescence, causing long term and debilitating impacts at individual and societal levels. Local, early, and precise assessment and evidence-based treatment are key to achieve positive mental health outcomes and to avoid long-term care. Technological advancements, such as computerized Clinical Decision Support Systems (CDSSs), can support ...
    • Loneliness and health risk behaviours among Russian and U.S. adolescents: a cross-sectional study 

      Stickley, Andrew; Koyanagi, Ai; Koposov, Roman A; Schwab-Stone, Mary; Ruchkin, Vladislav (Journal article; Tidsskriftartikkel; Peer reviewed, 2014)
    • Loneliness and its association with psychological and somatic health problems among Czech, Russian and U.S. adolescents 

      Stickley, Andrew; Koyanagi, Ai; Koposov, Roman A; Blatný, Marek; Hrdlička, Michal; Schwab-Stone, Mary; Ruchkin, Vladislav (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-05-04)
      Background: Loneliness is common in adolescence and has been linked to various negative outcomes. Until now, however, there has been little cross-country research on this phenomenon. The aim of the present study was to examine which factors are associated with adolescent loneliness in three countries that differ historically and culturally-the Czech Republic, Russia and the United States, and to ...