Friedrich 2015.

Methods	Type of trial: efficacy trial Allocation: cluster‐randomised Intervention model: parallel assignment Masking: single‐blind (participants)
Participants	Estimated number of schools: 12 Estimated number of participants: 1041 Inclusion criteria (schools): primary municipal schools in the city of Porto Alegre/RS Exclusion criteria (schools): schools that did not offer afternoon classes for all grades, night schools, schools catering exclusively to special needs students Inclusion criteria (students): children of both genders enrolled in first through fourth grades who attended afternoon classes Exclusion criteria (students): students who were unable to undergo anthropometric assessment, who had special needs, or who were absent from school on the 2 occasions on which anthropometric measurements were taken
Interventions	Intervention: TriAtiva Program: Education, Nutrition and Physical Activity, was a year‐long initiative that aimed to implement educational activities about healthy eating and physical activity, so as to develop a favourable environment for student health. Nutrition education and physical activity interventions involved in the programme were developed and implemented by a research team of nutritionists, physical education teachers, and professors of nutrition and physical education. All interventions were adapted to each school year based on a participative and playful approach. TriAtiva Program activities were performed every 15 days during school hours, and physical activity interventions were alternated with nutrition education initiatives, for a total of 6 months of activities. At the end of each TriAtiva event at school, extracurricular activities related to the topic of discussion were planned Comparator: followed regular curriculum of twice‐weekly physical education classes of 50 minutes each
Outcomes	Primary outcome: body mass Secondary outcomes: waist circumference; percent body fat; blood pressure; behavioural variables such as eating habits and physical activity levels; prevalence, incidence, and remission rates of obesity Relevant proposed outcome measures for SoF table: physical activity duration, BMI
Reason for awaiting classification	Protocol paper published, but no results
Stated aim of study	Quote: "the aim of the present study was to assess the effects of an intervention program involving nutrition education and physical activity ‐ namely, the TriAtiva Program: education, nutrition and physical activity ‐ on the prevention and control of obesity in public primary school children in the city of Porto Alegre/Brazil using a randomised controlled trial"
Notes