Findings

What do systematic reviews say?

116 questions · 126 findings · 12 reviews · Public Health

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No studies found 11 · 8.7%GRADE not reported 0 · 0%Very low 31 · 24.6%Low 44 · 34.9%Moderate 27 · 21.4%High 13 · 10.3%

Dietary interventions vs control

Body‐mass index (BMI) · children aged 12 to 18 years

3 findings from 1 review

Interventions to prevent obesity in children aged 12 to 18 years old 2024 · Cochrane Headline outcomes only
no estimate extracted
3 studies · 605 participants
Very low
Interventions to prevent obesity in children aged 12 to 18 years old 2024 · Cochrane Headline outcomes only
no estimate extracted
3 studies · 900 participants
Very low
Interventions to prevent obesity in children aged 12 to 18 years old 2024 · Cochrane Headline outcomes only
no estimate extracted
1 study · 44 participants
Low

Dietary interventions vs control

zBMI short term (12 weeks from baseline to < 9 months) · children aged 12 to 18 years

1 finding from 1 review

Interventions to prevent obesity in children aged 12 to 18 years old 2024 · Cochrane Headline outcomes only
no estimate extracted
5 studies · 3154 participants
Low

Dietary interventions vs control

zBMI medium term (9 months to < 15 months) · children aged 12 to 18 years

1 finding from 1 review

Interventions to prevent obesity in children aged 12 to 18 years old 2024 · Cochrane Headline outcomes only
no estimate extracted
1 study · 112 participants
Low

Dietary interventions vs control

zBMI long term (> 15 months) · children aged 12 to 18 years

1 finding from 1 review

Interventions to prevent obesity in children aged 12 to 18 years old 2024 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 1089 participants
Very low

Dietary interventions vs control

Serious adverse events · children aged 12 to 18 years

1 finding from 1 review

Interventions to prevent obesity in children aged 12 to 18 years old 2024 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 377 participants
Low

Dietary interventions vs control

Body‐mass index z score (zBMI) · children aged 0‐5 years

1 finding from 1 review

Interventions for preventing obesity in children 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 520 participants
Moderate

Dietary interventions vs control

Body‐mass index z score (zBMI) · children aged 6‐12 years

1 finding from 1 review

Interventions for preventing obesity in children 2019 · Cochrane Headline outcomes only
no estimate extracted
9 studies · 7231 participants
High

Dietary interventions vs control

Body‐mass index (BMI) · children aged 6‐12 years

1 finding from 1 review

Interventions for preventing obesity in children 2019 · Cochrane Headline outcomes only
no estimate extracted
6 studies · 5061 participants
High

Dietary interventions vs physical activity interventions

Body‐mass index (BMI) · children aged 6‐12 years

1 finding from 1 review

Interventions for preventing obesity in children 2019 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 4917 participants
High

Dietary interventions vs physical activity interventions

Body‐mass index z score (zBMI) · children aged 6‐12 years

1 finding from 1 review

Interventions for preventing obesity in children 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 1205 participants
High

Adverse event outcomes for dietary combined with physical activity interventions vs control

BMI short‐term (12 weeks from baseline to < 9 months) · children aged 5 to 11 years

1 finding from 1 review

Interventions to prevent obesity in children aged 5 to 11 years old 2024 · Cochrane Headline outcomes only
no estimate extracted
27 studies · 16066 participants
Low

Adverse event outcomes for dietary combined with physical activity interventions vs control

Body‐mass index (BMI) · children aged 5 to 11 years

2 findings from 1 review

Interventions to prevent obesity in children aged 5 to 11 years old 2024 · Cochrane Headline outcomes only
no estimate extracted
21 studies · 17547 participants
Moderate
Interventions to prevent obesity in children aged 5 to 11 years old 2024 · Cochrane Headline outcomes only
no estimate extracted
16 studies · 22098 participants
Low

Adverse event outcomes for dietary combined with physical activity interventions vs control

zBMI short term (12 weeks from baseline to < 9 months) · children aged 5 to 11 years

1 finding from 1 review

Interventions to prevent obesity in children aged 5 to 11 years old 2024 · Cochrane Headline outcomes only
no estimate extracted
26 studies · 12784 participants
Low

Adverse event outcomes for dietary combined with physical activity interventions vs control

zBMI medium term (9 months to < 15 months) · children aged 5 to 11 years

1 finding from 1 review

Interventions to prevent obesity in children aged 5 to 11 years old 2024 · Cochrane Headline outcomes only
no estimate extracted
24 studies · 20998 participants
Moderate

Adverse event outcomes for dietary combined with physical activity interventions vs control

zBMI long term (> 15 months) · children aged 5 to 11 years

1 finding from 1 review

Interventions to prevent obesity in children aged 5 to 11 years old 2024 · Cochrane Headline outcomes only
no estimate extracted
22 studies · 23594 participants
Low

Adverse event outcomes for dietary combined with physical activity interventions vs control

Serious adverse events · children aged 5 to 11 years

1 finding from 1 review

Interventions to prevent obesity in children aged 5 to 11 years old 2024 · Cochrane Headline outcomes only
no estimate extracted
19 studies · 27882 participants
Low

Adverse event outcomes for dietary combined with physical activity interventions vs control

Body‐mass index (BMI) · children aged 12 to 18 years

3 findings from 1 review

Interventions to prevent obesity in children aged 12 to 18 years old 2024 · Cochrane Headline outcomes only
no estimate extracted
11 studies · 3429 participants
High
Interventions to prevent obesity in children aged 12 to 18 years old 2024 · Cochrane Headline outcomes only
no estimate extracted
8 studies · 5612 participants
Moderate
Interventions to prevent obesity in children aged 12 to 18 years old 2024 · Cochrane Headline outcomes only
no estimate extracted
6 studies · 8736 participants
Moderate

Adverse event outcomes for dietary combined with physical activity interventions vs control

zBMI short term (12 weeks from baseline to < 9 months) · children aged 12 to 18 years

1 finding from 1 review

Interventions to prevent obesity in children aged 12 to 18 years old 2024 · Cochrane Headline outcomes only
no estimate extracted
3 studies · 515 participants
Very low

Adverse event outcomes for dietary combined with physical activity interventions vs control

zBMI medium term (9 months to < 15 months) · children aged 12 to 18 years

1 finding from 1 review

Interventions to prevent obesity in children aged 12 to 18 years old 2024 · Cochrane Headline outcomes only
no estimate extracted
6 studies · 3511 participants
Low

Adverse event outcomes for dietary combined with physical activity interventions vs control

zBMI long term (> 15 months) · children aged 12 to 18 years

1 finding from 1 review

Interventions to prevent obesity in children aged 12 to 18 years old 2024 · Cochrane Headline outcomes only
no estimate extracted
7 studies · 8430 participants
Low