Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2 questions · 2 findings · 1 reviews · Consumers and Communication · Headline outcomes only

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 1 · 50%Moderate 1 · 50%High 0 · 0%

Intervention not reported

Knowledge or understanding (Different measures used by the studies: knowledge of vaccine‐preventable diseases, vaccines, contraindications to vaccination, or a combination, on varying scales) Final time point (3 or 6 months post‐intervention) · parents of preschool‐aged children or expectant parents
1 finding from 1 review

Intervention not reported

Attitudes or beliefs (Different measures used by the studies: perceived severity of vaccine‐preventable diseases, perceived necessity of vaccines, or a combination, on varying scales) Final time point (3 or 6 months post‐intervention) · parents of preschool‐aged children or expectant parents
1 finding from 1 review