Findings

What do systematic reviews say?

2,805 questions · 2,912 findings · 307 reviews · Headline outcomes only

Sort:Best matchNewest Highest certainty Download CSV

No studies found 706 · 24.2%GRADE not reported 133 · 4.6%Very low 786 · 27%Low 696 · 23.9%Moderate 474 · 16.3%High 117 · 4%

Dietary 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
9 studies · 7048 participants
Moderate

Dietary 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
7 studies · 5285 participants
Low

Dietary 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
5 studies · 1913 participants
Very low

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
14 studies · 4069 participants
Low

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

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
1 study · 985 participants
Low
Interventions to prevent obesity in children aged 12 to 18 years old 2024 · Cochrane Headline outcomes only
no estimate extracted
6 studies · 1780 participants
Low
Interventions to prevent obesity in children aged 12 to 18 years old 2024 · Cochrane Headline outcomes only
no estimate extracted
3 studies · 2143 participants
Low

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
7 studies · 4718 participants
High

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 · 5335 participants
Moderate

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
1 study · 985 participants
Moderate

Activity 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
7 studies · 5428 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

Adverse event outcomes for dietary combined with physical activity 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
4 studies · 2394 participants
Very 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

Zinc vs no zinc supplementation

All‐cause mortality · otherwise healthy children aged 6 months to 12 years of age

Zinc supplementation showed no clear difference in all‐cause mortality compared with no zinc supplementation (high certainty).

1 finding from 1 review

Zinc supplementation for preventing mortality, morbidity, and growth failure in children aged 6 months to 12 years 2023 · Cochrane Headline outcomes only
RR 0.93 [0.84, 1.03]
16 studies · 143474 participants
High