Association of health predictors with quality of life in children and adolescents.

Objectives: To evaluate the association of health-related quality of life (HRQOL) with physical activity, food consumption, sleep duration and screen time in children and adolescents.

Methods: Cross-sectional study with 268 students aged 10-17 years from a public school in Brazil. The outcome variable was HRQOL score, evaluated by the Pediatric Quality of Life Inventory™ (PedsQL™).