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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
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 extractedNRNo 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 extracted1422 participantsVery 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 extracted1422 participantsVery 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 extracted7179 participantsVery 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 extractedNRNo 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 extractedNRNo 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 extracted4197 participantsVery 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 extracted3047 participantsVery 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 extracted67300 participantsVery 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 extracted24365 participantsVery 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 extractedNRNo 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 extractedNRNo studies
Multicomponent fall prevention interventions vs control: evidence from non‐randomised trials
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 extractedNRNo studies
Multicomponent fall prevention interventions vs control: evidence from non‐randomised trials
Cost‐effectiveness (economic analysis) Measured using healthcare 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 extracted163683 participantsVery low
Medication or nutrition fall prevention interventions vs control: evidence from RCTs
Number of people experiencing 1 or more fall‐related injuries · 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 extractedNRNo studies
Medication or nutrition fall prevention interventions vs control: evidence from RCTs
Number of people experiencing 1 or more fall‐related fractures · 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 extractedNRNo studies
Medication or nutrition fall prevention interventions vs control: evidence from RCTs
Number of people experiencing 1 or more falls resulting in hospital admission Measured using Danish Hospital Registration Database · 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 extracted4542 participantsVery low
Medication or nutrition fall prevention interventions vs control: evidence from RCTs
Number of people who experienced 1 or more adverse events · 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 extractedNRNo studies
Medication or nutrition fall prevention interventions vs control: evidence from RCTs
Economic analysis · 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 extractedNRNo studies
Multicomponent fall prevention interventions vs control: evidence from RCTs
Rate of falls 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 extracted1422 participantsVery low
Multicomponent fall prevention interventions vs control: evidence from RCTs
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 extracted1422 participantsVery low
Intervention NR
Transmission‐related outcomes: cases‐ number or proportion of cases
Measures implemented in the school setting to contain the COVID‐19 pandemic (2024) · Cochrane
no estimate extractedNRModerate
Intervention NR
Transmission‐related outcomes: cases ‐ risk of infection
Measures implemented in the school setting to contain the COVID‐19 pandemic (2024) · Cochrane
no estimate extractedNRVery low
Intervention NR
Transmission‐related outcomes: cases‐ number or proportion of cases
Measures implemented in the school setting to contain the COVID‐19 pandemic (2024) · Cochrane
no estimate extractedNRModerate
Intervention NR
Intended and unintended consequences: social and institutional consequences ‐ days of absences avoided
Measures implemented in the school setting to contain the COVID‐19 pandemic (2024) · Cochrane
no estimate extractedNRModerate
Intervention NR
PPV
Measures implemented in the school setting to contain the COVID‐19 pandemic (2024) · Cochrane
no estimate extractedNRVery low
Intervention NR
Proportion of cases detected
Measures implemented in the school setting to contain the COVID‐19 pandemic (2024) · Cochrane
no estimate extractedNRVery low
Intervention NR
Onward transmission (secondary and tertiary transmission)
Measures implemented in the school setting to contain the COVID‐19 pandemic (2024) · Cochrane
no estimate extractedNRVery low
Intervention NR
Transmission‐related outcomes: cases ‐ risk of infection
Measures implemented in the school setting to contain the COVID‐19 pandemic (2024) · Cochrane
no estimate extractedNRVery low
Intervention NR
Transmission‐related outcomes: cases ‐ number or proportion of cases
Measures implemented in the school setting to contain the COVID‐19 pandemic (2024) · Cochrane
no estimate extractedNRModerate
Intervention NR
Transmission‐related outcomes: cases ‐ epidemic progression
Measures implemented in the school setting to contain the COVID‐19 pandemic (2024) · Cochrane
no estimate extractedNRLow
Intervention NR
Transmission‐related outcomes: cases ‐ risk of infection
Measures implemented in the school setting to contain the COVID‐19 pandemic (2024) · Cochrane
no estimate extractedNRVery low
Intervention NR
Transmission‐related outcomes: cases: risk of infection
Measures implemented in the school setting to contain the COVID‐19 pandemic (2024) · Cochrane
no estimate extractedNRVery low
Intervention NR
Transmission‐related outcomes: deaths ‐ number and proportion of deaths
Measures implemented in the school setting to contain the COVID‐19 pandemic (2024) · Cochrane
no estimate extractedNRModerate
Intervention NR
Transmission‐related outcomes: hospitalization ‐ number or proportion of hospital admissions
Measures implemented in the school setting to contain the COVID‐19 pandemic (2024) · Cochrane
no estimate extractedNRModerate
Intervention NR
Transmission‐related outcomes: hospitalization ‐ Number or proportion of hospital admissions
Measures implemented in the school setting to contain the COVID‐19 pandemic (2024) · Cochrane
no estimate extractedNRModerate
Intervention NR
Transmission‐related outcomes: cases ‐ number or proportion of cases
Measures implemented in the school setting to contain the COVID‐19 pandemic (2024) · Cochrane
no estimate extractedNRModerate
Dietary interventions vs control
BMI short‐term (12 weeks from baseline to < 9 months) · children aged 5 to 11 years
Interventions to prevent obesity in children aged 5 to 11 years old (2024) · Cochrane
no estimate extracted5 studies · 2107 participantsLow
Activity interventions vs control
BMI long‐term (> 15 months) · children aged 5 to 11 years
Interventions to prevent obesity in children aged 5 to 11 years old (2024) · Cochrane
no estimate extracted8 studies · 8302 participantsLow
Activity interventions vs control
zBMI short‐term (12 weeks from baseline to < 9 months) · children aged 5 to 11 years
Interventions to prevent obesity in children aged 5 to 11 years old (2024) · Cochrane
no estimate extracted6 studies · 3580 participantsLow
Activity interventions vs control
zBMI medium‐term (9 months to < 15 months) · children aged 5 to 11 years
Interventions to prevent obesity in children aged 5 to 11 years old (2024) · Cochrane
no estimate extracted13 studies · 20600 participantsModerate
Activity interventions vs control
zBMI long‐term (> 15 months) · children aged 5 to 11 years
Interventions to prevent obesity in children aged 5 to 11 years old (2024) · Cochrane
no estimate extracted6 studies · 6940 participantsLow
Activity interventions vs control
Serious adverse events · children aged 5 to 11 years
Interventions to prevent obesity in children aged 5 to 11 years old (2024) · Cochrane
no estimate extracted11 studies · 21278 participantsLow
Dietary and activity interventions vs control
BMI short‐term (12 weeks from baseline to < 9 months) · children aged 5 to 11 years
Interventions to prevent obesity in children aged 5 to 11 years old (2024) · Cochrane
no estimate extracted27 studies · 16066 participantsLow
Dietary and activity interventions vs control
BMI medium‐term (9 months to < 15 months) · children aged 5 to 11 years
Interventions to prevent obesity in children aged 5 to 11 years old (2024) · Cochrane
no estimate extracted21 studies · 17547 participantsModerate
Dietary and activity interventions vs control
BMI long‐term (> 15 months) · children aged 5 to 11 years
Interventions to prevent obesity in children aged 5 to 11 years old (2024) · Cochrane
no estimate extracted16 studies · 22098 participantsLow
Dietary and activity interventions vs control
zBMI short‐term (12 weeks from baseline to < 9 months) · children aged 5 to 11 years
Interventions to prevent obesity in children aged 5 to 11 years old (2024) · Cochrane
no estimate extracted26 studies · 12784 participantsLow
Dietary and activity interventions vs control
zBMI medium‐term (9 months to < 15 months) · children aged 5 to 11 years
Interventions to prevent obesity in children aged 5 to 11 years old (2024) · Cochrane
no estimate extracted24 studies · 20998 participantsModerate
Dietary interventions vs control
BMI medium‐term (9 months to < 15 months) · children aged 5 to 11 years
Interventions to prevent obesity in children aged 5 to 11 years old (2024) · Cochrane
no estimate extracted9 studies · 6815 participantsLow
Dietary and activity interventions vs control
zBMI long‐term (> 15 months) · children aged 5 to 11 years
Interventions to prevent obesity in children aged 5 to 11 years old (2024) · Cochrane
no estimate extracted22 studies · 23594 participantsLow