Abdominal obesity in adolescents: prevalence and association with physical activity and eating habits.

Background: Abdominal obesity in adolescents is associated with cardiovascular and metabolic diseases, but its prevalence and the factors associated with its occurrence are unknown.

Objectives: To determine the prevalence of abdominal obesity in adolescents, and to evaluate whether the indicators of physical activity and dietary habits are associated with the occurrence of abdominal obesity in adolescents.

Methods: The sample included 4138 high school students (14-19 years), selected by cluster sampling in two stages.