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. 2021 Sep 23;2021(9):CD007651. doi: 10.1002/14651858.CD007651.pub3

Kovalskys 2017.

Methods Type of trial: effectiveness
Allocation: cluster‐randomised
Intervention model: parallel assignment
Masking: no blinding
Participants Estimated number of schools: 12
Estimated number of participants: 405
Inclusion criteria (schools): public schools located in middle‐ to low‐income areas of Buenos Aires
Exclusion criteria (schools): −
Inclusion criteria (students): first grade children
Exclusion criteria (students): families without Internet access
Interventions Intervention
• Virtual: specially designed web‐based contents, targeting families and children, aimed at (a) encouraging improvement in eating habits for the whole family, both at home and at school, and (b) increasing mothers’ knowledge of the benefits of PA and the consequences of sedentary behaviour, and proposing pleasurable movement entailing activities for the children. Thematic goals are breakfast, PA, water intake, fruit and vegetable consumption, energy balance, parents as models, and snacking
• Active breaks: activities comprising movement during school breaks are promoted with motivation as a backbone and devoid of a competitive strive; active play in which fun, pleasure, and sharing were emphasised. PA instructor‐guided activities take place 3 times a week during 2 school breaks, with the goal of promoting active play for a minimum of 20 to 30 minutes/d, depending on each school 
Comparator: college students of nutrition will deliver 2 educational workshops for parents once intervention and assessment are completed 
Outcomes Primary outcomes
• Weight measured to the nearest 0.1 kg using a portable digital scale
• Height measured to the nearest 0.1 cm with a portable stadiometer
• Waist circumference measured to the nearest 0.1 cm with an anthropometric tape
• BMI z‐score calculated using the 2007 WHO reference growth charts
• Child’s and parent’s dietary intake and habits assessed with two 24‐hour recalls using the Multiple Pass Method completed by participating parent or guardian
• Child’s physical activity and sedentary behaviour assessed with accelerometers (ActiGraph wGT3X‐BT) used during 7 days
• Parent’s physical activity and sedentary behaviour assessed with the Global Physical Activity Questionnaire
• Blood pressure assessed with a digital automatic sphygmomanometer
Secondary outcomes
• Environmental characteristics assessed with a modified and adapted version of the International Study of Childhood Obesity, Lifestyle and the Environment (ISCOLE) Questionnaire, administered to the parent
• Social and economic levels assessed with an adapted version of the survey elaborated by the Social Observatory of SAIMO (Argentine Society for Research of Marketing and Opinion)
Relevant proposed outcome measures for SoF table: physical activity duration, BMI
Reason for awaiting classification Marked as 'completed' in trials registry, but no publication available
Stated aim of study Quote: "the main aim of MINI SALTEN is to assess the effects of a technology family‐based and PA school‐based intervention on (1) physical activity, and (2) quality of diet and eating behaviour in first grade children of the city of Buenos Aires"
Notes