Longitudinal study for a healthy childhood (ELISA)

The ELISA Project is based on a large-scale longitudinal study of approximately 2800 community children enrolled in schools from different areas of Galicia. This project began in 2017 with a sample of pre-schoolers (3-5 years), which were evaluated, both by teachers and families, in successive follow-ups until the present time (2018 and 2019). This project aims to place our community at the forefront of international longitudinal research in the field, following other work such as the SOFIA Study carried out by the University of Örebro (Sweden), which is one of the main references of this project.

Main objective

To analyse child development, with a special emphasis on different profiles and trajectories that can be identified, as well as the factors involved in the development of behavioural and psychosocial adjustment, both in the academic and family context.

Specific objectives

  • Delve into the knowledge of child development and adjustment
  • Identify profiles or groups of children at various levels of risk
  • Evaluate factors related to different risk profiles and development trajectories
  • Adapt and develop preventive interventions based on the characteristics and needs of each profile, in order to encourage a more positive development

Initial sample

The initial sample of the study corresponding to the first data collection in the year 2017 was composed of 2467 children, aged 3 to 5 years old, enrolled in public, subsidised and private schools in Galicia (NW Spain). This sample was extended the following year to a total of 2789 children. The sample of study was evaluated in successive follow-up studies in 2018 and 2019. In the third year of study, corresponding to the second follow-up, a total of 76 schools from the four Galician provinces participted in the study.

Participants (informants)

The information collected in the ELISA survey is provided, on the one hand, by the families of the children, mostly by mothers and fathers. In addition, teachers provide information about the children’s development. All the information, reported both by families and teachers, is provided through a survey, which can be filled in paper form or through an online application.

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