The ABCD study is developed in several stages. Below we indicate the ones that are underway:

Phase 1

This phase began in the 2022-2023 school year and was aimed at all students attending first grade in public and private schools in the city of Sabadell. Around 800 girls and boys from 52 centers have participated. Many thanks to families and schools for your trust and participation! You can get more information by clicking here.

Laboratory 1

This stage is aimed at a subgroup of girls participating in phase 1 and is currently underway. You can get more information by clicking here.

Phase 2

This phase was carried out during the last term of the 2023-2024 school year to follow up on the girls and boys who had participated in the first phase and were in second grade. Around 800 children from 52 schools participated. Thank you very much to families and schools for your trust and participation!

Phase 3

Information about this next stage will be provided soon (2024/2025 school year).