Tracking Children's Physical Activity Patterns across the School Year: A Mixed-Methods Longitudinal Case Study

Area of Science:

• Pediatric health
• Exercise science
• Environmental influences on physical activity

Background:

• Many UK children do not meet physical activity (PA) guidelines.
• Children's PA levels often decline through adolescence.
• School, home, and neighborhood environments influence children's PA opportunities.

Purpose of the Study:

• To explore changes in children's moderate-to-vigorous physical activity (MVPA) patterns across the school year.
• To identify environmental factors influencing children's MVPA.
• To investigate barriers and facilitators to children's PA throughout the academic year.

Main Methods:

• A mixed-methods case study tracked 58 Key Stage 2 and 3 children's MVPA using GPS and heart rate monitors over four days per term.
• Repeated measures were taken across autumn, winter, and summer terms.
• Focus groups explored children's PA behaviors, barriers, and facilitators each term.

Main Results:

• Children's MVPA was significantly lower in the winter/spring term (Term 2) compared to autumn and summer terms.
• MVPA decreased across most locations in winter, except for indoor MVPA (increased) and neighborhood walking (consistent).
• Focus groups identified location, social factors (friends), and activity variety as facilitators, while poor weather, parental permission, and time were barriers.

Conclusions:

• Children's physical activity patterns and perceptions vary significantly across the school year.
• Seasonal changes, particularly weather, impact children's MVPA.
• Longitudinal, multi-method research is crucial for understanding and promoting year-round children's PA.