A cluster randomised controlled trial of a School-based Educational Intervention to Stimulate Motivation towards pediatric Obesity prevention among children 3 to 12 years old: the SEÍSMO study
Pediatric obesity
Current interventions as of 13/03/2026: The SEISMO school-based intervention was conceptualized to positively impact healthy lifestyles, psychological resilience, weight stigma, academic performance, quality of life, the incidence of obesity, zBMI and WHtR. The creation of the SEÍSMO intervention methodology has been organized in two stages: 1) SEISMO innovation and development (I+D) stage from 2020 to 2024; 2) SEÍSMO multicomponent, comprehensive, and multilevel (MCM) stage expected from 2024 to 2041. 1. 1. The SEÍSMO first-stage intervention (I+D) The original intervention was implemented over four editions (1st – 2020/2021; 2nd – 2021/2022; 3rd – 2022/2023; 4th – 2023/2024) lasting 12 months each. The periods between each academic year were dedicated to creating new intervention modules that have progressively been incorporated into the method and piloted to the entire educational community: children, teaching staff, parents and/or legal guardians, non-teaching staff, and school managers. The 1st edition served to pilot the physical education module. The 2nd edition also included the family module. In the 3rd edition the healthy spaces module was added to the physical education and family modules. Finally, during the 4th edition, the intervention method was rounded out with the additional incorporation of the water promotion module and the healthy eating and sustainable school’s canteen module. 2. The SEÍSMO second-stage intervention (MCM) All the original intervention modules are currently integrated into the SEÍSMO second-stage intervention. The new intervention will run in each school for a minimum of six consecutive academic years, and will be implemented by school staff and coordinated by the multidisciplinary Gasol Foundation team that will promote the implementation of 50 specific action groups structured in three pillars: A) Competencies pillar: to promote healthy habits as a comprehensive part of primary school’s curricular project that is aligned wit
Current inclusion criteria as of 13/03/2026: 1. Children aged 3–12 years and their families who will be enrolled in a participating school located in a census section with an average income per person under the mean in Spain (14.804€) 2. Informed consent signed by parents/legal guardians Previous inclusion criteria: 1. Children aged 3–12 years and their families who will be enrolled in a participating school located in a census section with an average income per person under the mean in Spain (14.787€) 2. Informed consent signed by parents/legal guardians
Children or parents/legal guardians with a psychological or physical limitation that make it impossible to participate in some or all the evaluation procedures. Each case will be considered individually, and the GF team offer different evaluation options to include all the children and families.