Evaluación de la efectividad de una intervención educativa para disminuir el peso de la mochila escolar en los alumnos de 3.° y 4.° de educación primaria

The study shows educational intervention with review of school supplies transported by students aged 8 to 10 achieves a decrease of more than one kg in weight of their backpacks versus the control group (mean 2.28 kg at the end of the first intervention). It also shows that these results are maintained over time (mean 2.24 kg at 3 months).