• 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 ...
    • 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 ...