Findings

What do systematic reviews say?

97 questions · 104 findings · 9 reviews · Headline outcomes only

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No studies found 9 · 8.7%GRADE not reported 10 · 9.6%Very low 23 · 22.1%Low 37 · 35.6%Moderate 14 · 13.5%High 11 · 10.6%

Dietary behavior change interventions with a caregiver component vs interventions without a caregiver component

Children's percentage of total energy intake from saturated fat Measured by food frequency questionnaire and 24‐hour recall · children aged 7 to 18 years

1 finding from 1 review

Caregiver involvement in interventions for improving children's dietary intake and physical activity behaviors 2020 · Cochrane Headline outcomes only
no estimate extracted
1 study · 207 participants
Low

Dietary behavior change interventions with a caregiver component vs interventions without a caregiver component

Children's sodium intake (g/d) measured by food record Assessed at end of intervention (9 months) · children aged 7 to 18 years

1 finding from 1 review

Caregiver involvement in interventions for improving children's dietary intake and physical activity behaviors 2020 · Cochrane Headline outcomes only
no estimate extracted
1 study · 207 participants
Low

Dietary interventions vs diet and physical activity interventions combined

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
1 study · 3971 participants
High

Dietary interventions vs diet and physical activity interventions combined

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 · 3971 participants
High

Combined dietary and physical activity interventions with a caregiver component vs interventions without a caregiver component

Adverse effects (not reported by intervention arm) · children aged 4 to 14 years

The review found no eligible studies for this question.

1 finding from 1 review

Caregiver involvement in interventions for improving children's dietary intake and physical activity behaviors 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

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

Dietary interventions vs placebo or other interventions

Infant sleep duration per 24 h at 7, 14 and 21 days from start of intervention · infants with colic defined by recognised criteria

The review found no eligible studies for this question.

1 finding from 1 review

Dietary modifications for infantile colic 2018 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Dietary interventions vs placebo or other interventions

Adverse effects to dietary modifications · infants with colic defined by recognised criteria

1 finding from 1 review

Dietary modifications for infantile colic 2018 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
Very low

Dietary interventions vs standard practice

School achievement: Average achievement across subjects taught at school · Children and adolescents with obesity or overweight

1 finding from 1 review

Physical activity, diet and other behavioural interventions for improving cognition and school achievement in children… 2018 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 382 participants
Low

Dietary interventions vs standard practice

School achievement: Mathematics · Children and adolescents with obesity or overweight

1 finding from 1 review

Physical activity, diet and other behavioural interventions for improving cognition and school achievement in children… 2018 · Cochrane Headline outcomes only
no estimate extracted
1 study · 76 participants
Low

Dietary interventions vs standard practice

School achievement: Reading · Children and adolescents with obesity or overweight

1 finding from 1 review

Physical activity, diet and other behavioural interventions for improving cognition and school achievement in children… 2018 · Cochrane Headline outcomes only
no estimate extracted
1 study · 67 participants
Low

Dietary interventions vs standard practice

School achievement: Additional educational support needs · Children and adolescents with obesity or overweight

1 finding from 1 review

Physical activity, diet and other behavioural interventions for improving cognition and school achievement in children… 2018 · Cochrane Headline outcomes only
no estimate extracted
0 studies · 0 participants
GRADE not reported

Dietary interventions vs standard practice

Cognitive function: Composite executive functions · Children and adolescents with obesity or overweight

1 finding from 1 review

Physical activity, diet and other behavioural interventions for improving cognition and school achievement in children… 2018 · Cochrane Headline outcomes only
no estimate extracted
0 studies · 0 participants
GRADE not reported

Dietary interventions vs standard practice

Cognitive function: Inhibition control · Children and adolescents with obesity or overweight

1 finding from 1 review

Physical activity, diet and other behavioural interventions for improving cognition and school achievement in children… 2018 · Cochrane Headline outcomes only
no estimate extracted
0 studies · 0 participants
GRADE not reported

Dietary interventions vs standard practice

Adverse events · Children and adolescents with obesity or overweight

1 finding from 1 review

Physical activity, diet and other behavioural interventions for improving cognition and school achievement in children… 2018 · Cochrane Headline outcomes only
no estimate extracted
0 studies · 0 participants
GRADE not reported

Dietary 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
5 studies · 2107 participants
Low

Dietary 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
9 studies · 6815 participants
Low
Interventions to prevent obesity in children aged 5 to 11 years old 2024 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 945 participants
Moderate

Dietary 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
8 studies · 3695 participants
Moderate

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