Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

46 questions · 49 findings · 6 reviews

No studies found 12 · 24.5%GRADE not reported 0 · 0%Very low 14 · 28.6%Low 19 · 38.8%Moderate 4 · 8.2%High 0 · 0%

Environmental interventions vs no intervention

Adverse events · children (aged 0–6 years)

The review found no eligible studies for this question.

2 findings from 1 review

Environmental interventions vs no intervention

Blood lead levels (continuous)Blood lead level at end of duration Scale: 0–30 · children (aged 0–6 years)
2 findings from 1 review

Education vs control (e.g. usual activities)

Number of people who experienced one or more falls · Older people living in the community

It is very uncertain whether education interventions changes number of people who experienced 1 or more falls compared with control (e.g. usual care) (very low certainty).

1 finding from 1 review

Education vs control (e.g. usual activities)

Number of people sustaining one or more fall‐related fractures · Older people living in the community

Education interventions showed no clear difference in number of people who experienced 1 or more fall‐related fractures compared with control (e.g. usual care) (low certainty).

1 finding from 1 review

Assistive technology for vision improvement interventions vs usual care or attention control

Number of people sustaining one or more fall‐related fractures · Older people living in the community

It is very uncertain whether assistive technology for vision improvement interventions changes number of people who experienced 1 or more fall‐related fractures compared with usual care or attention control (very low certainty).

1 finding from 1 review

Assistive technology for vision improvement interventions vs usual care or attention control

Health‐related quality of life ‐ all trials Higher scores indicate improved health‐related quality of life · Older people living in the community

Assistive technology for vision improvement interventions showed no clear difference in health‐related quality of life 1 trial of single‐lens glasses… compared with usual care or attention control (low certainty).

1 finding from 1 review

Assistive technology for vision improvement interventions vs usual care or attention control

Adverse events Falls while switching glasses · Older people living in the community

Assistive technology for vision improvement interventions showed no clear difference in adverse events Falls while switching glasses compared with usual care or attention control (low certainty).

1 finding from 1 review

Assistive technology for vision improvement interventions vs usual care or attention control

Falls · Older people living in the community

Assistive technology for vision improvement interventions showed no clear difference in rate of falls (falls per person‐years) compared with usual care or attention control (low certainty).

1 finding from 1 review