Physical (in)activity, sedentary time, physical fitness, physiologic measures, cognitive skills, academic performance, sleep, stool, quality of life
Conditions
Interventions
The children in the intervention group (approximately 28
8-10 years old) will receive sit-stand workstations in their classroom. They will keep these for three years. Their teacher will also receive a sit-stand workstation. The children are invited and moti
8-10 years old) will use regular (sit) workstations and receive regular treatment.
Sponsors
Leyden Academy on Vitality and Ageing

Eligibility
Inclusion criteria
Inclusion criteria: -Children who are following primary education at a selected school and who are in grade 5 in the Dutch system. -Children with a signed informed consent form to participate in this study. -Children who are physically able to stand.
Exclusion criteria
Exclusion criteria: -Children not following primary education at the selected primary school. -Children who are not able to stand during the intervention periode, due to health issues or serious injuries.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Time of physical (in)activity during a school week as measured with the Activ8 activity tracker (time spent lying, sitting, standing, walking, running, cycling, playing, etc). Academic achievements following a regular Dutch system (leerlingvolgsysteem, CITO) | — |
Secondary
| Measure | Time frame |
|---|---|
| Physical fitness: Shuttle-run test Vertical jump Hand grip strength Physiology: Length Weight Body composition (percentages fat and muscle mass) Cognitive functions: N-back test (memory) Wisconsin Card Sorting task (flexibility) Tower of London (planning) Fish Flanker Task (inhibition) Psychology: Faces scale (happiness) KIDSCREEN 52/27 (quality of life) Extra: Sleep diary Stool diary (Bristol Stool Scale) Satisfaction with the school environment | — |
Contacts
Public ContactLex van Delden
Leyden Academy on Vitality and Ageing

Outcome results
None listed