Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

51 questions · 57 findings · 8 reviews

No studies found 2 · 3.5%GRADE not reported 1 · 1.8%Very low 15 · 26.3%Low 22 · 38.6%Moderate 17 · 29.8%High 0 · 0%

Combined incentive‐based and educational interventions vs no intervention

Pregnant at end of trial · Adolescents (10-19 years)

Combined incentive‐based and educational interventions showed no clear difference in pregnant at end of trial compared with no intervention (low certainty).

1 finding from 1 review

Educational interventions for preventing lead poisoning in workers (pre‐intervention vs post‐intervention)

Blood lead levels (high baseline levels) (µg/dL at medium‐term · workers and foremen
2 findings from 1 review

Educational or behavioural interventions for patients vs usual care

Blood pressure target achievement · The trials included a total of 33,840 participants with cerebrovascular disease. The mean or median age of participants ranged from 60…

Educational or behavioural interventions for patients showed no clear difference in blood pressure target achievement compared with usual care (moderate certainty).

1 finding from 1 review