Improving brain function, i.e. mental health and cognitive function as well as academic performance in adolescents Other
Conditions
Interventions
The list of schools that will participate will be computer randomized as this will be a cluster-randomized trial, with each school representing one cluster. The randomization will be done in blocks of
Sponsors
Swedish School of Sport and Health Sciences
Eligibility
Sex/Gender
All
Age
14 Years to 15 Years
Inclusion criteria
Inclusion criteria: Study 1 (qualitative interviews): Inclusion criteria: 1. Teachers and principals working in schools in Sweden 2. Students from schools in Sweden aged 14-15 years old 3. Representatives from stakeholders in the area, such as teachers and principals from schools that have increased physical activity and homework support in their schools and representatives from relevant public institutions Study 2 (quantitative): Inclusion criteria (schools): 1. Schools in Sweden (principals will be contacted) Inclusion criteria (participants): 1. All students attending grade 8 in schools in Sweden (aged 14-15 years) 2. Teachers from the included schools Study 3 (mix of qualitative and quantitative): Inclusion criteria: 1. Students in grade 8 from the intervention schools 2. Teachers and principals from the intervention schools
Exclusion criteria
Exclusion criteria: Study 1 (qualitative interviews): Exclusion criteria (students): 1. Not able to speak and understand Swedish Study 2 (quantitative): Exclusion criteria (schools): 1. Schools that have an extra focus on sports 2. Schools where grade 8 include less than 15 students 3. Prinicipal of the school unwilling to accept randomisation Exclusion criteria (students and teachers): 1. Those students that cannot participate in some aspects of the data collection due to disability or language barriers might be excluded from some of the analyses Study 3 (mix of qualitative and quantitative): Exclusion criteria (students): 1. Not able to speak and understand Swedish
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 1. Physical activity patterns measured by accelerometry at baseline, post-intervention and 1-year follow-up. 2. Anxiety assessed with a questionnaire (SCAS-S) at baseline, post-intervention and 1-year follow-up 3. Cognitive function (working memory and episodic memory) measured with a computer-based test battery at baseline, post-intervention and 1-year follow-up | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Academic performance measured by grades from registry data at baseline, post-intervention and 1-year follow-up 2. Health-related quality of life measured using KIDSCREEN-27 (questionnaire) at baseline, post-intervention and 1-year follow-up 3. Stress measured using single-item stress question, SISQ (questionnaire) at baseline, post-intervention and 1-year follow-up 4. Self-esteem measured using the Rosenberg Self-Esteem Scale (RSES) (questionnaire) at baseline, post-intervention and 1-year follow-up 5. Hyperactivity and inattention measured using the Strengths and Difficulties Questionnaire (SDQ) (questionnaire) at baseline, post-intervention and 1-year follow-up 6. Motivation to physical activity using the Behavioural Regulation in Exercise Questionnaire, adapted BREQ (questionnaire) at baseline, post-intervention and 1-year follow-up 7. Cardiorespiratory fitness estimated with a 3-minute step-test at baseline, post-intervention and 1-year follow up 8. Body weight and height measured according to standardised procedures at baseline, post-intervention and 1-year follow-up 9. Self-reported screen-time at baseline, post-intervention and 1-year follow-up 10. Self-reported time spent on homework at baseline, post-intervention and 1-year follow-up 11. Self-reported health behaviours at baseline, post-intervention and 1-year follow-up 12. Information about the school-environment collected using a questionnaire at baseline, post-intervention and 1-year follow-up | — |
Countries
Sweden
Outcome results
None listed