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MAFF-CRT: Reducing Sedentary Behaviour in Children
Sponsor: Instituto Politécnico de Setúbal
Summary
Children today spend many hours sitting at school and at home, often in front of screens. Prolonged sitting in childhood increases the risk of future health problems such as diabetes, heart disease and poor mental wellbeing. MAFF is a simple school-to-home programme that teaches short, practical movement breaks in the classroom and encourages families to repeat them together at home through structured weekly challenges. Over 12 weeks, we will compare classes using MAFF with classes continuing as usual to assess whether children sit less, move more and improve their wellbeing. If effective, MAFF will provide schools and communities with an easy-to-implement toolkit to promote healthier and more active families.
Official title: MAFF-CRT: School-to-Home Trial to Reduce Sedentary Behaviour in Children
Key Details
Gender
All
Age Range
Any - Any
Study Type
INTERVENTIONAL
Enrollment
200
Start Date
2026-11-30
Completion Date
2028-12-02
Last Updated
2026-04-13
Healthy Volunteers
Yes
Conditions
Interventions
Name: MAFF (Methodology for Family Physical Activity)
MAFF is a low-cost, scalable behavioural intervention designed to reduce sedentary time and increase physical activity in children through a school-to-home transfer model. It integrates: Structured micro-activity breaks in classroom settings Family-based movement challenges to reinforce behaviour at home Behavioural mechanisms grounded in the COM-B model (capability, opportunity, motivation) Ecological reinforcement through repeated exposure across contexts (school and family) No specialised equipment is required.
Locations (1)
Instituto Politécnico de Setúbal
Setúbal, Portugal