Torbeyns 2017.
Study characteristics | ||
Methods | Study design: RCT | |
Participants |
Student inclusion criteria: Grades 3 and 4 of high school in Ninove, Belgium Student exclusion criteria: — Setting: school Age group: adolescents Gender distribution: females and males Country/Countries where trial was performed: Belgium |
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Interventions |
Intervention: students were instructed to cycle on a height‐adjustable cycling desk (LifeSpan C3‐DT5 Bike Desk) for 4 class hours/week (4 × 50 min). Participants were free to adjust the cycling intensity to their preference. All participants were asked to not change their lifestyle during the study (e.g. PA levels outside the classroom) Comparator: asked to not change their lifestyle during the study (e.g. PA levels outside the classroom) Duration of intervention: 22 weeks Duration of follow‐up: 22 weeks Number of schools: 1 Theoretical framework: — |
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Outcomes | Fitness BMI |
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Study registration | — | |
Publication details |
Language of publication: English Funding: other funding (no sources of funding received) Publication status: peer‐reviewed journal |
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Stated aim for study | "Thus, the purpose of this study was to examine the impact of providing cycling desks in a classroom for 5 months on energy expenditure, physical health parameters, cognitive performance, brain functioning and educational measures in an adolescent population" | |
Notes | ||
Risk of bias | ||
Bias | Authors' judgement | Support for judgement |
Random sequence generation (selection bias) | Unclear risk | Comment: not stated |
Allocation concealment (selection bias) | Unclear risk | Comment: not stated |
Blinding of participants and personnel (performance bias) All outcomes | High risk | Comment: participants not blinded |
Blinding of outcome assessment (detection bias) All outcomes | Unclear risk | Comment: not stated |
Incomplete outcome data (attrition bias) Anthropometrics, Fitness | High risk | Quote from publication: "7 more participants (4 intervention, 3 control) were excluded because they were absent for more than 1 week during the intervention period" |
Selective reporting (reporting bias) | Unclear risk | Comment: no protocol referenced |