Prevalence and characteristics of victims and perpetrators of bullying.

Objective: To determine the prevalence of bullying (victims and perpetrators) in a representative sample of sixth graders from schools located in the city of Caxias do Sul, RS, Brazil and to determine possible associations with maternal education, socioeconomic level, sedentary habits, nutritional status, dissatisfaction with body image, gender, and age.

Methods: This was a school-based epidemiological study. The target population consisted of sixth graders (11-14 years).