Dissemination, Implementation, and Evaluation of an Effective School-based Intervention to Promote Physical Activity in Adolescents

The purpose of the project is the development of a healthy environment from educational centers. Healthy behaviors and perceptions of healthy environments of members of the educational community will be analyzed. The data processing process will be anonymous in all students. The center will receive the information corresponding to the project through the person in charge of the investigation. The center will send a letter voluntarily accepting your participation (attached) to the principal investigator (PI) of the project. The main objective of the research project presented is to improve physical activity levels in adolescents who present rates of diagnosed active impairment through the design, development and evaluation of a multilevel and multicomponent intervention program to promote healthier lifestyles. This program will follow the principles of the Socio-ecological model, teachers and parents perceptions and beliefs, with the aim of achieving greater adherence to the sports practice of adolescents.

Students of 2nd year of E.S.O would be part of this intervention program of two educational centers of a Spanish region. Through the initial measurement made to 2nd year students of E.S.O. Overall, the investigatos would expect to have a total of about 80 male and female students, with ages between 12 and 15 years. Indirectly, parents of students and teachers would also participate. In this way, identified young people who do not perform physical activity or do not reach minimum recommendable values (recommendations of World Health Organization), will be grouped in control and experimental schools.

The study variables will be:

• Qualitative data: Collected through focus groups: personal opinions about their educational center and the development of healthy environments. Estimated completion time: 45 minutes.
• Quantitative data: The data that will be required for the students in the questionnaires (students): age, gender, place of residence and data on healthy behaviors (levels of physical activity, hours of sleep, food, hours spent on screen, substance use). and influences for a healthy environment and self-concept). Estimated completion time: 45 minutes.

The focus groups and the questionnaires will be applied once the approval of the Ethical Commitee of the region has been obtained for the application of the project. Once obtained, the following day the informed consent will be provided to the families, it will be collected in 7 days and the following week the initial questionnaires will be carried out. At the end of the research in May 2022, the same questionnaires will be passed again to assess the evolution of the group in the different study variables.