Takehara 2019.

Methods	Type of trial: efficacy Allocation: cluster‐randomised Intervention model: parallel assignment Masking: open
Participants	Estimated number of schools: 10 Estimated number of students: 2337 Inclusion criteria (schools): ‐ Exclusion criteria (schools): ‐ Inclusion criteria (students): 10 to 12 years old, attending fourth grade at 1 of 10 public schools in Sukhbaatar District with written consent and can speak, read, or understand Mongolian Exclusion criteria (students): comorbidities or contraindications prohibiting participation in exercise or attending classes with special curriculum
Interventions	Intervention: school‐based 2‐minute high‐intensity interval training at least 3 times per week Comparator: no intervention
Outcomes	Primary outcome: examination marks Secondary outcomes: proportion obese and overweight, physical fitness, exercise, sleep, psychosocial health, cognitive function Other outcomes: ‐
Reason for awaiting classification	Marked as complete in clinical trials registry, but no data published
Stated aim of study	"The primary objective of our study is to investigate the effectiveness of exercise intervention on academic achievement among children using a large cluster RCT. The secondary objective is to investigate the effectiveness of exercise intervention on reducing the prevalence of obesity and overweight and on improving physical fitness performance, lifestyle, mental health, and cognitive function"
Notes