%0 Journal Article %T Bullying and associated factors in adolescents aged 11 to 15 years %A Silva %A Ricardo Azevedo da %A Cardoso %A Taiane de Azevedo %A Jansen %A Karen %A Souza %A Luciano Dias de Mattos %A Godoy %A Russ¨¦lia Vanila %A Cruzeiro %A Ana Laura Sica %A Horta %A Bernardo Lessa %A Pinheiro %A Ricardo Tavares %J Trends in Psychiatry and Psychotherapy %D 2012 %I Associa??o de Psiquiatria do Rio Grande do Sul %R 10.1590/S2237-60892012000100005 %X introduction: bullying among adolescents has become the subject of extensive research due to its negative effects on attitude and behavior. however, brazilian literature on the topic is scarce. objective: to assess bullying and associated factors among adolescents in a population-based sample in southern brazil. method: population-based, cross-sectional study with adolescents aged 11 to 15 years living in the municipality of pelotas, state of rio grande do sul, brazil. results: a total of 1,145 adolescents were included. bullying behaviors and attitudes were found to be associated with the following factors: intentionally skipping classes, failing at school, using alcohol, smoking cigarettes, using illegal drugs, having engaged in sexual intercourse, carrying a weapon, being involved in an accident/being run over by any vehicle, and being involved in fights with physical aggression. conclusion: bullying is associated with several behaviors that pose risk to the adolescents' physical and psychological health. %K adolescents %K violence %K cross-sectional studies. %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S2237-60892012000100005&lng=en&nrm=iso&tlng=en