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Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

780 questions in 55 reviews · Public Health

current versions
No studies 162 · 20.8%Ungraded 52 · 6.7%Very low 231 · 29.6%Low 191 · 24.5%Moderate 122 · 15.6%High 22 · 2.8%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

QuestionEffectEvidenceStatus / GRADE
Intervention NR
Fruit consumption · children aged six months to six years
Healthy eating interventions delivered in early childhood education and care settings for improving the diet… (2023) · Cochrane
SMD 0.1111 studies · 2901 participantsModerate
Intervention NR
Vegetable consumption · children aged six months to six years
Healthy eating interventions delivered in early childhood education and care settings for improving the diet… (2023) · Cochrane
SMD 0.1213 studies · 3335 participantsVery low
Intervention NR
Non‐core foods (i.e. less healthy or discretionary) consumption · children aged six months to six years
Healthy eating interventions delivered in early childhood education and care settings for improving the diet… (2023) · Cochrane
SMD 0.057 studies · 1369 participantsModerate
Intervention NR
Sugar‐sweetened beverage consumption · children aged six months to six years
Healthy eating interventions delivered in early childhood education and care settings for improving the diet… (2023) · Cochrane
SMD 0.13 studies · 522 participantsModerate
Intervention NR
Cost‐effectiveness · children aged six months to six years
Healthy eating interventions delivered in early childhood education and care settings for improving the diet… (2023) · Cochrane
no estimate extracted6 studies · 101 participantsVery low
Intervention NR
Adverse consequences · children aged six months to six years
Healthy eating interventions delivered in early childhood education and care settings for improving the diet… (2023) · Cochrane
no estimate extracted3 studies · 62 participantsVery low
Summary of findings: unconditional cash transfer vs no unconditional cash transfer: primary outcomes
Has used any health service in previous 1 to 12 months · children (0 to 17 years) and adults (≥ 18 years) or households
Unconditional cash transfers for reducing poverty and vulnerabilities: effect on use of health services and… (2022) · Cochrane
RR 1.04 [1, 1.09]4972 participantsLow
Summary of findings: unconditional cash transfer vs no unconditional cash transfer: secondary outcomes
Engages in child labour · children (0 to 17 years) and adults (≥ 18 years) or households
Unconditional cash transfers for reducing poverty and vulnerabilities: effect on use of health services and… (2022) · Cochrane
RR 0.9 [0.8, 1.03]2448 participantsVery low
Summary of findings: unconditional cash transfer vs no unconditional cash transfer: secondary outcomes
Adult works · children (0 to 17 years) and adults (≥ 18 years) or households
Unconditional cash transfers for reducing poverty and vulnerabilities: effect on use of health services and… (2022) · Cochrane
RR 1 [0.95, 1.06]1700 participantsVery low
Summary of findings: unconditional cash transfer vs no unconditional cash transfer: secondary outcomes
Parenting quality · children (0 to 17 years) and adults (≥ 18 years) or households
Unconditional cash transfers for reducing poverty and vulnerabilities: effect on use of health services and… (2022) · Cochrane
no estimate extracted1118 participantsVery low
Summary of findings: unconditional cash transfer vs no unconditional cash transfer: secondary outcomes
Is extremely poor · children (0 to 17 years) and adults (≥ 18 years) or households
Unconditional cash transfers for reducing poverty and vulnerabilities: effect on use of health services and… (2022) · Cochrane
RR 0.9 [0.87, 0.97]3805 participantsLow
Summary of findings: unconditional cash transfer vs no unconditional cash transfer: secondary outcomes
Amount of money spent on health care in last month · children (0 to 17 years) and adults (≥ 18 years) or households
Unconditional cash transfers for reducing poverty and vulnerabilities: effect on use of health services and… (2022) · Cochrane
no estimate extracted9231 participantsLow
Summary of findings: unconditional cash transfers vs conditional cash transfers: primary outcomes
Has used any health service in previous 1 to 12 months · children (0 to 17 years) and adults (≥ 18 years) or households
Unconditional cash transfers for reducing poverty and vulnerabilities: effect on use of health services and… (2022) · Cochrane
no estimate extracted2559 participantsVery low
Summary of findings: unconditional cash transfers vs conditional cash transfers: primary outcomes
Is moderately stunted · children (0 to 17 years) and adults (≥ 18 years) or households
Unconditional cash transfers for reducing poverty and vulnerabilities: effect on use of health services and… (2022) · Cochrane
no estimate extractedNRNo studies
Summary of findings: unconditional cash transfers vs conditional cash transfers: primary outcomes
Has died · children (0 to 17 years) and adults (≥ 18 years) or households
Unconditional cash transfers for reducing poverty and vulnerabilities: effect on use of health services and… (2022) · Cochrane
no estimate extractedNRNo studies
Summary of findings: unconditional cash transfers vs conditional cash transfers: primary outcomes
Has had any illness in previous 2 weeks to 3 months · children (0 to 17 years) and adults (≥ 18 years) or households
Unconditional cash transfers for reducing poverty and vulnerabilities: effect on use of health services and… (2022) · Cochrane
RR 1.11 [0.95, 1.25]3896 participantsVery low
Summary of findings: unconditional cash transfers vs conditional cash transfers: primary outcomes
Has been food secure · children (0 to 17 years) and adults (≥ 18 years) or households
Unconditional cash transfers for reducing poverty and vulnerabilities: effect on use of health services and… (2022) · Cochrane
no estimate extractedNRNo studies
Summary of findings: unconditional cash transfer vs no unconditional cash transfer: primary outcomes
Is moderately stunted · children (0 to 17 years) and adults (≥ 18 years) or households
Unconditional cash transfers for reducing poverty and vulnerabilities: effect on use of health services and… (2022) · Cochrane
RR 1.02 [0.91, 1.14]3298 participantsVery low
Summary of findings: unconditional cash transfers vs conditional cash transfers: primary outcomes
Level of dietary diversity in previous week · children (0 to 17 years) and adults (≥ 18 years) or households
Unconditional cash transfers for reducing poverty and vulnerabilities: effect on use of health services and… (2022) · Cochrane
no estimate extracted3896 participantsVery low
Summary of findings: unconditional cash transfers vs conditional cash transfers: primary outcomes
Level of depression · children (0 to 17 years) and adults (≥ 18 years) or households
Unconditional cash transfers for reducing poverty and vulnerabilities: effect on use of health services and… (2022) · Cochrane
no estimate extractedNRNo studies
Summary of findings: unconditional cash transfer vs no unconditional cash transfer: primary outcomes
Has died · children (0 to 17 years) and adults (≥ 18 years) or households
Unconditional cash transfers for reducing poverty and vulnerabilities: effect on use of health services and… (2022) · Cochrane
no estimate extractedNRNo studies
Summary of findings: unconditional cash transfer vs no unconditional cash transfer: primary outcomes
Has had any illness in previous 2 weeks to 3 months · children (0 to 17 years) and adults (≥ 18 years) or households
Unconditional cash transfers for reducing poverty and vulnerabilities: effect on use of health services and… (2022) · Cochrane
RR 0.79 [0.67, 0.92]9367 participantsModerate
Summary of findings: unconditional cash transfer vs no unconditional cash transfer: primary outcomes
Has been food secure in previous month · children (0 to 17 years) and adults (≥ 18 years) or households
Unconditional cash transfers for reducing poverty and vulnerabilities: effect on use of health services and… (2022) · Cochrane
RR 1.25 [1.09, 1.45]2687 participantsLow
Summary of findings: unconditional cash transfer vs no unconditional cash transfer: primary outcomes
Level of dietary diversity in previous week · children (0 to 17 years) and adults (≥ 18 years) or households
Unconditional cash transfers for reducing poverty and vulnerabilities: effect on use of health services and… (2022) · Cochrane
no estimate extracted9347 participantsLow
Summary of findings: unconditional cash transfer vs no unconditional cash transfer: primary outcomes
Level of depression · children (0 to 17 years) and adults (≥ 18 years) or households
Unconditional cash transfers for reducing poverty and vulnerabilities: effect on use of health services and… (2022) · Cochrane
no estimate extracted9497 participantsVery low
Summary of findings: unconditional cash transfer vs no unconditional cash transfer: secondary outcomes
Owned livestock in previous year · children (0 to 17 years) and adults (≥ 18 years) or households
Unconditional cash transfers for reducing poverty and vulnerabilities: effect on use of health services and… (2022) · Cochrane
no estimate extracted7324 participantsVery low
Summary of findings: unconditional cash transfer vs no unconditional cash transfer: secondary outcomes
Attends school · children (0 to 17 years) and adults (≥ 18 years) or households
Unconditional cash transfers for reducing poverty and vulnerabilities: effect on use of health services and… (2022) · Cochrane
RR 1 [1.04, 1.09]7136 participantsModerate
Intervention NR
Implementation of policies, practices or programmes that promote student health in schools
Strategies for enhancing the implementation of school‐based policies or practices targeting diet, physical… (2022) · Cochrane
SMD 1.0422 studies · 897 participantsLow
Intervention NR
Student diet
Strategies for enhancing the implementation of school‐based policies or practices targeting diet, physical… (2022) · Cochrane
SMD 0.0811 studies · 16649 participantsLow
Intervention NR
Student physical activity
Strategies for enhancing the implementation of school‐based policies or practices targeting diet, physical… (2022) · Cochrane
SMD 0.099 studies · 16389 participantsLow
Intervention NR
Student obesity
Strategies for enhancing the implementation of school‐based policies or practices targeting diet, physical… (2022) · Cochrane
SMD 0.028 studies · 18618 participantsModerate
Intervention NR
Student tobacco use
Strategies for enhancing the implementation of school‐based policies or practices targeting diet, physical… (2022) · Cochrane
SMD 0.033 studies · 3635 participantsVery low
Intervention NR
Adverse events
Strategies for enhancing the implementation of school‐based policies or practices targeting diet, physical… (2022) · Cochrane
no estimate extracted3 studies · 3 participantsLow
Intervention NR
Cost‐effectiveness
Strategies for enhancing the implementation of school‐based policies or practices targeting diet, physical… (2022) · Cochrane
no estimate extracted4 studies · 4 participantsVery low
Summary of findings table ‐ Low‐carbohydrate weight‐reducing diets vs balanced‐carbohydrate weight‐reducing diets
Change in body weight (kg) at 3 to < 12 months · overweight and obese participants without T2DM (weight‐reducing phase only)
Low‐carbohydrate versus balanced‐carbohydrate diets for reducing weight and cardiovascular risk (2022) · Cochrane
no estimate extracted37 studies · 3286 participantsModerate
Summary of findings table ‐ Low‐carbohydrate weight‐reducing diets vs balanced‐carbohydrate weight‐reducing diets
Weight loss of at least 5% at ≥ 12 months ‐ not measured · overweight and obese participants without T2DM (weight‐reducing phase followed by weight maintenance phase)
Low‐carbohydrate versus balanced‐carbohydrate diets for reducing weight and cardiovascular risk (2022) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Low‐carbohydrate weight‐reducing diets vs balanced‐carbohydrate weight‐reducing diets
Cardiovascular mortality ‐ not measured · overweight and obese participants without T2DM (weight‐reducing phase followed by weight maintenance phase)
Low‐carbohydrate versus balanced‐carbohydrate diets for reducing weight and cardiovascular risk (2022) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Low‐carbohydrate weight‐reducing diets vs balanced‐carbohydrate weight‐reducing diets
Change in DBP (mmHg) at ≥ 12 months · overweight and obese participants without T2DM (weight‐reducing phase followed by weight maintenance phase)
Low‐carbohydrate versus balanced‐carbohydrate diets for reducing weight and cardiovascular risk (2022) · Cochrane
no estimate extracted1 study · 13 participantsVery low
Summary of findings table ‐ Low‐carbohydrate weight‐reducing diets vs balanced‐carbohydrate weight‐reducing diets
Change in LDL cholesterol (mmol/L) at ≥ 12 months · overweight and obese participants without T2DM (weight‐reducing phase followed by weight maintenance phase)
Low‐carbohydrate versus balanced‐carbohydrate diets for reducing weight and cardiovascular risk (2022) · Cochrane
no estimate extracted2 studies · 56 participantsVery low
Summary of findings table ‐ Low‐carbohydrate weight‐reducing diets vs balanced‐carbohydrate weight‐reducing diets
Constipation at 3 to < 12 months ‐ not measured · overweight and obese participants without T2DM (weight‐reducing phase followed by weight maintenance phase)
Low‐carbohydrate versus balanced‐carbohydrate diets for reducing weight and cardiovascular risk (2022) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Low‐carbohydrate weight‐reducing diets vs balanced‐carbohydrate weight‐reducing diets
Change in body weight (kg) at 3 to < 12 months · overweight and obese participants with T2DM (weight‐reducing phase only)
Low‐carbohydrate versus balanced‐carbohydrate diets for reducing weight and cardiovascular risk (2022) · Cochrane
no estimate extracted14 studies · 1114 participantsModerate
Summary of findings table ‐ Low‐carbohydrate weight‐reducing diets vs balanced‐carbohydrate weight‐reducing diets
Change in body weight (kg) at ≥ 12 months · overweight and obese participants with T2DM (weight‐reducing phase only)
Low‐carbohydrate versus balanced‐carbohydrate diets for reducing weight and cardiovascular risk (2022) · Cochrane
no estimate extracted7 studies · 813 participantsModerate
Summary of findings table ‐ Low‐carbohydrate weight‐reducing diets vs balanced‐carbohydrate weight‐reducing diets
Weight loss of at least 5% at ≥ 12 months · overweight and obese participants with T2DM (weight‐reducing phase only)
Low‐carbohydrate versus balanced‐carbohydrate diets for reducing weight and cardiovascular risk (2022) · Cochrane
RR 0.9 [0.68, 1.2]2 studies · 106 participantsVery low
Summary of findings table ‐ Low‐carbohydrate weight‐reducing diets vs balanced‐carbohydrate weight‐reducing diets
Cardiovascular mortality ‐ not measured · overweight and obese participants with T2DM (weight‐reducing phase only)
Low‐carbohydrate versus balanced‐carbohydrate diets for reducing weight and cardiovascular risk (2022) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Low‐carbohydrate weight‐reducing diets vs balanced‐carbohydrate weight‐reducing diets
Change in DBP (mmHg) at ≥ 12 months · overweight and obese participants with T2DM (weight‐reducing phase only)
Low‐carbohydrate versus balanced‐carbohydrate diets for reducing weight and cardiovascular risk (2022) · Cochrane
no estimate extracted6 studies · 631 participantsModerate
Summary of findings table ‐ Low‐carbohydrate weight‐reducing diets vs balanced‐carbohydrate weight‐reducing diets
Change in body weight (kg) at ≥ 12 months · overweight and obese participants without T2DM (weight‐reducing phase only)
Low‐carbohydrate versus balanced‐carbohydrate diets for reducing weight and cardiovascular risk (2022) · Cochrane
no estimate extracted14 studies · 1805 participantsModerate
Summary of findings table ‐ Low‐carbohydrate weight‐reducing diets vs balanced‐carbohydrate weight‐reducing diets
Change in HbA1c (%) at ≥ 12 months · overweight and obese participants with T2DM (weight‐reducing phase only)
Low‐carbohydrate versus balanced‐carbohydrate diets for reducing weight and cardiovascular risk (2022) · Cochrane
no estimate extracted6 studies · 668 participantsModerate
Summary of findings table ‐ Low‐carbohydrate weight‐reducing diets vs balanced‐carbohydrate weight‐reducing diets
Change in LDL cholesterol (mmol/L) at ≥ 12 months · overweight and obese participants with T2DM (weight‐reducing phase only)
Low‐carbohydrate versus balanced‐carbohydrate diets for reducing weight and cardiovascular risk (2022) · Cochrane
no estimate extracted7 studies · 753 participantsModerate
Summary of findings table ‐ Low‐carbohydrate weight‐reducing diets vs balanced‐carbohydrate weight‐reducing diets
Constipation at 3 to < 12 months · overweight and obese participants with T2DM (weight‐reducing phase only)
Low‐carbohydrate versus balanced‐carbohydrate diets for reducing weight and cardiovascular risk (2022) · Cochrane
RR 1.37 [0.86, 2.18]2 studies · 177 participantsVery low
Summary of findings table ‐ Low‐carbohydrate weight‐reducing diets vs balanced‐carbohydrate weight‐reducing diets
Change in body weight (kg) at 3 to < 12 months · overweight and obese participants with T2DM (weight‐reducing phase followed by weight‐maintenance phase)
Low‐carbohydrate versus balanced‐carbohydrate diets for reducing weight and cardiovascular risk (2022) · Cochrane
no estimate extracted1 study · 61 participantsLow