Findings

What do systematic reviews say?

241 questions · 259 findings · 26 reviews · Headline outcomes only

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No studies found 52 · 20.1%GRADE not reported 20 · 7.7%Very low 76 · 29.3%Low 73 · 28.2%Moderate 27 · 10.4%High 11 · 4.2%

Dietary fibre (all study interventions) vs control

Number of participantswith more than one adenoma · people with a history of colorectal adenomas

Dietary fibre (all study interventions) showed no clear difference in number of participantswith more than one adenoma compared with control (low certainty).

1 finding from 1 review

Dietary fibre for the prevention of recurrent colorectal adenomas and carcinomas 2017 · Cochrane Headline outcomes only
RR 1.06 [0.94, 1.2]
2 studies · 2542 participants
Low

Dietary fibre (all study interventions) vs control

Number of participantswith at least one adenoma 1 cm or greater · people with a history of colorectal adenomas

Dietary fibre (all study interventions) showed no clear difference in number of participantswith at least one adenoma 1 cm or greater compared with control (low certainty).

1 finding from 1 review

Dietary fibre for the prevention of recurrent colorectal adenomas and carcinomas 2017 · Cochrane Headline outcomes only
RR 0.99 [0.82, 1.2]
4 studies · 3224 participants
Low

Dietary fibre (all study interventions) vs control

Number of participantsdiagnosed with colorectal cancer · people with a history of colorectal adenomas

Dietary fibre (all study interventions) may leads to higher number of participantsdiagnosed with colorectal cancer compared with control (low certainty).

1 finding from 1 review

Dietary fibre for the prevention of recurrent colorectal adenomas and carcinomas 2017 · Cochrane Headline outcomes only
RR 2.7 [1.07, 6.85]
2 studies · 2794 participants
Low

Post‐haemodialysis dietary supplement vs normal diet

Serum phosphorus · people with CKD‐MBD undergoing haemodialysis

2 findings from 1 review

Dietary interventions for mineral and bone disorder in people with chronic kidney disease 2015 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 54 participants
Very low
Dietary interventions for mineral and bone disorder in people with chronic kidney disease 2015 · Cochrane Headline outcomes only
no estimate extracted
1 study · 24 participants
Very low

Post‐haemodialysis dietary supplement vs normal diet

Serum phosphorus ‐ home‐prepared dietary supplement versus normal diet · people with CKD‐MBD undergoing haemodialysis

1 finding from 1 review

Dietary interventions for mineral and bone disorder in people with chronic kidney disease 2015 · Cochrane Headline outcomes only
no estimate extracted
1 study · 30 participants
Very low

Income‐generation interventions vs no intervention

Dietary diversity · children (0 to 17 years) and adults (≥ 18 years) or households

1 finding from 1 review

Community‐level interventions for improving access to food in low‐ and middle‐income countries 2020 · Cochrane Headline outcomes only
no estimate extracted
4 studies · 3677 participants
Low

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

Accidents · children aged 0 to 5 years

1 finding from 1 review

Interventions for preventing obesity in children 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 42 participants
Very low

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

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

Depression · children aged 13‐18 years

1 finding from 1 review

Interventions for preventing obesity in children 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 779 participants
High

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

Clinical levels of shape and weight concern · children aged 13‐18 years

1 finding from 1 review

Interventions for preventing obesity in children 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 282 participants
Low

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

Anxiety · children aged 13‐18 years

1 finding from 1 review

Interventions for preventing obesity in children 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 779 participants
High

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

Insufficient weight gain in infants · children aged 0 to 5 years

1 finding from 1 review

Interventions for preventing obesity in children 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 110 participants
Very low

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

Physical injuries · children aged 0 to 5 years

1 finding from 1 review

Interventions for preventing obesity in children 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 652 participants
Low

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

Adverse events · children aged 0 to 5 years

1 finding from 1 review

Interventions for preventing obesity in children 2019 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 983 participants
Low