Cochrane Review Group

Public Health

55 systematic reviews in Public Health ask 780 questions. 20.8% have no studies to answer them, 29.6% rest on very low certainty evidence and 18.4% reach moderate or high certainty.

Reviews

Questions

780

current versions

No studies

20.8%

Moderate or high

18.4%

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.

Search questions in Public Health

Thinnest evidence

All no studies and very low questions

Question	Effect	Evidence	Status / GRADE
Medication or nutrition fall prevention interventions vs control: evidence from RCTs Rate of falls · community‐dwelling older adults ≥ 65 years of age Population‐based interventions for preventing falls and fall‐related injuries in older people (2024) · Cochrane	no estimate extracted	NR	No studies
Multicomponent fall prevention interventions vs control: evidence from RCTs Number of people experiencing 1 or more fall‐related injuries Measured using questionnaire data (self‐reported) · community‐dwelling older adults at least 60 years of age Population‐based interventions for preventing falls and fall‐related injuries in older people (2024) · Cochrane	no estimate extracted	1422 participants	Very low
Multicomponent fall prevention interventions vs control: evidence from RCTs Number of people experiencing 1 or more fall‐related fractures Measured using questionnaire data (self‐reported) · community‐dwelling older adults at least 60 years of age Population‐based interventions for preventing falls and fall‐related injuries in older people (2024) · Cochrane	no estimate extracted	1422 participants	Very low
Multicomponent fall prevention interventions vs control: evidence from RCTs Number of people experiencing 1 or more falls resulting in hospital admission Measured using hospital records · community‐dwelling older adults at least 60 years of age Population‐based interventions for preventing falls and fall‐related injuries in older people (2024) · Cochrane	no estimate extracted	7179 participants	Very low
Multicomponent fall prevention interventions vs control: evidence from RCTs Adverse events · community‐dwelling older adults at least 60 years of age Population‐based interventions for preventing falls and fall‐related injuries in older people (2024) · Cochrane	no estimate extracted	NR	No studies
Multicomponent fall prevention interventions vs control: evidence from RCTs Cost‐effectiveness (economic analysis) · community‐dwelling older adults at least 60 years of age Population‐based interventions for preventing falls and fall‐related injuries in older people (2024) · Cochrane	no estimate extracted	NR	No studies
Multicomponent fall prevention interventions vs control: evidence from non‐randomised trials Rate of falls Measured using questionnaire data (self‐reported) or hospital records · community‐dwelling older adults at least 60 years of age Population‐based interventions for preventing falls and fall‐related injuries in older people (2024) · Cochrane	no estimate extracted	4197 participants	Very low
Multicomponent fall prevention interventions vs control: evidence from non‐randomised trials Number of fallers Measured using questionnaire data (self‐reported) · community‐dwelling older adults at least 60 years of age Population‐based interventions for preventing falls and fall‐related injuries in older people (2024) · Cochrane	no estimate extracted	3047 participants	Very low
Multicomponent fall prevention interventions vs control: evidence from non‐randomised trials Number of people experiencing 1 or more fall‐related injuries Measured using healthcare centre records · community‐dwelling older adults at least 60 years of age Population‐based interventions for preventing falls and fall‐related injuries in older people (2024) · Cochrane	no estimate extracted	67300 participants	Very low
Multicomponent fall prevention interventions vs control: evidence from non‐randomised trials Number of people experiencing 1 or more fall‐related fractures Measured using hospital injury record system · community‐dwelling older adults at least 60 years of age Population‐based interventions for preventing falls and fall‐related injuries in older people (2024) · Cochrane	no estimate extracted	24365 participants	Very low
Multicomponent fall prevention interventions vs control: evidence from non‐randomised trials Number of people experiencing 1 or more falls resulting in hospital admission Measured using hospital records · community‐dwelling older adults at least 60 years of age Population‐based interventions for preventing falls and fall‐related injuries in older people (2024) · Cochrane	no estimate extracted	NR	No studies
Medication or nutrition fall prevention interventions vs control: evidence from RCTs Number of fallers · community‐dwelling older adults ≥ 65 years of age Population‐based interventions for preventing falls and fall‐related injuries in older people (2024) · Cochrane	no estimate extracted	NR	No studies

Reviews 55

Population‐based interventions for preventing falls and fall‐related injuries in older people

Lewis, SR, McGarrigle, L, et al. · Cochrane Database of Systematic Reviews · 2024

Public Health

Thinnest evidence

Reviews 55

Population‐based interventions for preventing falls and fall‐related injuries in older people

Measures implemented in the school setting to contain the COVID‐19 pandemic

Interventions to prevent obesity in children aged 5 to 11 years old

Interventions to prevent obesity in children aged 12 to 18 years old

Fortification of condiments and seasonings with iron for preventing anaemia and improving health

Education support services for improving school engagement and academic performance of children and adolescents with a chronic health condition

Healthy eating interventions delivered in early childhood education and care settings for improving the diet of children aged six months to six years

Unconditional cash transfers for reducing poverty and vulnerabilities: effect on use of health services and health outcomes in low‐ and middle‐income countries

Strategies for enhancing the implementation of school‐based policies or practices targeting diet, physical activity, obesity, tobacco or alcohol use

Low‐carbohydrate versus balanced‐carbohydrate diets for reducing weight and cardiovascular risk

Replacing salt with low‐sodium salt substitutes (LSSS) for cardiovascular health in adults, children and pregnant women

School‐based physical activity programs for promoting physical activity and fitness in children and adolescents aged 6 to 18

Wheat flour fortification with iron and other micronutrients for reducing anaemia and improving iron status in populations

Interventions for reducing sedentary behaviour in community‐dwelling older adults

Behavioural interventions delivered through interactive social media for health behaviour change, health outcomes, and health equity in the adult population

Interventions in outside‐school hours childcare settings for promoting physical activity amongst schoolchildren aged 4 to 12 years

International travel‐related control measures to contain the COVID‐19 pandemic: a rapid review

Day care as a strategy for drowning prevention in children under 6 years of age in low‐ and middle‐income countries

Non‐pharmacological measures implemented in the setting of long‐term care facilities to prevent SARS‐CoV‐2 infections and their consequences: a rapid review

Community‐level interventions for improving access to food in low‐ and middle‐income countries

Strategies to improve the implementation of healthy eating, physical activity and obesity prevention policies, practices or programmes within childcare services

Taxation of unprocessed sugar or sugar‐added foods for reducing their consumption and preventing obesity or other adverse health outcomes

Taxation of the fat content of foods for reducing their consumption and preventing obesity or other adverse health outcomes

Interventions outside the workplace for reducing sedentary behaviour in adults under 60 years of age

Agricultural and nutritional education interventions for reducing aflatoxin exposure to improve infant and child growth in low‐ and middle‐income countries