Findings

What do systematic reviews say?

73 questions · 80 findings · 7 reviews · Public Health

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 20 · 25%Low 30 · 37.5%Moderate 17 · 21.3%High 13 · 16.3%

Targeted mass media intervention vs targeted mass media intervention plus personalised content

Intake meeting target from dietary guidelines, 3 months from baseline · adult, ethnic minority groups: Latino immigrants, elderly Chinese immigrants, self‐described Americans of African heritage

It is very uncertain whether targeted mass media intervention changes intake meeting target from dietary guidelines, 3 months from baseline compared with targeted mass media intervention plus personalised content (very low certainty).

1 finding from 1 review

Targeted mass media interventions promoting healthy behaviours to reduce risk of non‐communicable diseases in adult,… 2017 · Cochrane Headline outcomes only
OR 5.53 [1.96, 15.58]
1 study · 718 participants
Very low

Targeted mass media intervention vs targeted mass media intervention plus personalised content

Changes in dietary composition, 12 months from baseline · adult, ethnic minority groups: Latino immigrants, elderly Chinese immigrants, self‐described Americans of African heritage

1 finding from 1 review

Targeted mass media interventions promoting healthy behaviours to reduce risk of non‐communicable diseases in adult,… 2017 · Cochrane Headline outcomes only
no estimate extracted
1 study · 286 participants
Very low

Adverse event outcomes for dietary combined with physical activity 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
1 study · 3946 participants
High

Adverse event outcomes for dietary combined with physical activity 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 · 3946 participants
High

Adverse event outcomes for dietary combined with physical activity interventions vs usual care or no treatment

Underweight · children aged 6 to 12 years

2 findings from 1 review

Interventions for preventing obesity in children 2019 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 784 participants
Moderate
Interventions for preventing obesity in children 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 724 participants
Moderate

Adverse event outcomes for dietary combined with physical activity interventions vs usual care or no treatment

Depression · children aged 6 to 12 years

1 finding from 1 review

Interventions for preventing obesity in children 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 225 participants
Low

Adverse event outcomes for dietary combined with physical activity interventions vs usual care or no treatment

Increased weight concern · children aged 6 to 12 years

1 finding from 1 review

Interventions for preventing obesity in children 2019 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 285 participants
High

Adverse event outcomes for dietary combined with physical activity interventions vs usual care or no treatment

Body satisfaction · children aged 6 to 12 years

1 finding from 1 review

Interventions for preventing obesity in children 2019 · Cochrane Headline outcomes only
no estimate extracted
3 studies · 1128 participants
High

Adverse event outcomes for dietary combined with physical activity interventions vs usual care or no treatment

Visits to a healthcare provider · children aged 6 to 12 years

1 finding from 1 review

Interventions for preventing obesity in children 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 60 participants
Low

Adverse event outcomes for dietary combined with physical activity interventions vs usual care or no treatment

Adverse events related to taking of blood samples · children aged 6 to 12 years

1 finding from 1 review

Interventions for preventing obesity in children 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 4603 participants
Moderate

Adverse event outcomes for dietary combined with physical activity interventions vs usual care or no treatment

Injuries · children aged 6 to 12 years

1 finding from 1 review

Interventions for preventing obesity in children 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 60 participants
Low

Targeted mass media intervention vs no intervention

Changes in dietary composition, 12 months from baseline · adult, ethnic minority group: self‐described Americans of African heritage

1 finding from 1 review

Targeted mass media interventions promoting healthy behaviours to reduce risk of non‐communicable diseases in adult,… 2017 · Cochrane Headline outcomes only
no estimate extracted
1 study · 154 participants
Very low

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