Table 6

 Characteristics of intervention studies measuring the effect of advice to reduce intakes free sugars on change in BMI in children and adolescents

StudyMethodsParticipantsDietOutcomesStudy durationDose
Davis 200946Randomised controlled trial68 Latino adolescentsNutrition education on carbohydrate modification with targets of <10% total energy from added sugars and >14 g/1000 kcal dietary fibreUsual dietGlycaemic responses, insulin sensitivity, body composition, change in dietary intakes and activity levels16 weeksReduction in added sugar intake of 10 g/day v 2 g/day
Ebbeling 200627Randomised controlled intervention study103 adolescents aged 13-18 years consuming at least one serving/day of sugar sweetened beveragesWeekly home deliveries of non-caloric beverages, amounting to 4 servings per participant/day and two servings/day for additional household members, with behavioural counselling by telephone to encourage displacement of sugar sweetened beveragesContinued usual habits of beverage consumptionChange in BMI from baseline to follow-up, change in energy intake from carbonated beverages, consumption of non-caloric beverages25 weeksReduction in added sugar intake of 75 g/day v 12 g/day
James 200429Cluster randomised controlled trial644 primary school children aged 7-11 years from 6 schools and 29 classes in UKNutrition education to reduce consumption of carbonated beveragesNo nutrition educationChange in BMI z score, change in soft drink consumption12 monthsReduction in 0.1 glasses/day of sugar sweetened carbonated drinks v no reduction
Paineau 200833Randomised controlled trial1013 children from 54 elementary schools in Paris, 1013 parentsNutrition education to reduce fat and sugar intake and increase intake of complex carbohydratesNutrition education to reduce fat intake and increase intake of complex carbohydratesChanges in anthropometry including BMI, BMI z score, changes in dietary intakes in children and parents8 monthsChildren: reduction of 10 g/day of sugar v 5.5 g/day
Sichieri 200940Randomised, controlled, cluster school based intervention1140 Brazilian children in the 4th grade (age 9-11 years), living in urban areas and of low socioeconomic statusBehavioural intervention to reduce intake of sugar sweetened beverages delivered in the classroom in 10×1 h sessions2×1 h general health sessions and printed advice regarding healthy dietsBeverage consumption, weight change, BMIAbout 8 monthsReduction in carbonated beverages of 69 mL/day v 13 mL/day