Student's perception of school bullying and its impact on academic performance: A longitudinal look.

Introduction: Bullying among peers has immediate and long-term consequences, as it affects children's health-related quality of life. The aim was to examine the association between the frequency, type and dynamics of children's involvement in bullying situations and their academic performance over the school year.

Methods: Longitudinal study conducted in 2015 in 9 to 12 year-olds in schools of Bahía Blanca, Argentina.

Bullying at school: Agreement between caregivers' and children's perception.

Introduction: Bullying at school is usually kept secret from adults, making them unaware of the situation.

Objective: To describe caregivers' and children's perception and assess their agreement in terms of bullying situations.

Methods: Cross-sectional study in children aged 8-12 years old attending public schools and their caregivers.

Health-related quality of life in children with and without chronic conditions: A multicenter study.

Introduction: Chronic conditions (CCs) in the early stages of life may have an impact on various dimensions of health-related quality of life (HRQoL) in children.

Objective: To compare HRQoL in children with confirmed CCs, reported CCs, and without CC.

Population And Method: Cross-sectional study conducted in 2012 in the context of a larger research study carried out at schools in Córdoba and Bahía Blanca, and at Hospital Italiano of Buenos Aires and Hospital Prof.