Validación de instrumento para la detección de adolescentes con sobrepeso en la escuela/Validação de instrumento para o screening de adolescentes com excesso de peso na escola/Instrument validation for screening of adolescents with overweight at school

The aim was to validate the content of a nursing instrument for the screening of overweight adolescents in schools. Methodological study conducted in three phases: construction of the "Overweight Screening Form for Adolescents in Schools"; psychometric evaluation by specialists; modification of instrument according to specialists' suggestions. The Kappa and Chi Square tests were used in the analysis. The frequency of positive responses for the psychometric criteria was ≥80%, with some agreement differences among the specialists (p