Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

181 questions · 184 findings · 35 reviews

No studies found 57 · 31%GRADE not reported 26 · 14.1%Very low 44 · 23.9%Low 43 · 23.4%Moderate 13 · 7.1%High 1 · 0.5%

Culturally and literacy adapted audio‐/visual education without personal feedback vs no health literacy intervention

Health behaviour – Child's up‐to‐date immunisation · migrants

Culturally and literacy adapted audio‐/visual education without… showed no clear difference in health behaviour – Child's up‐to‐date immunisation compared with no health literacy intervention (moderate certainty).

1 finding from 1 review

Culturally and literacy adapted audio‐/visual education without personal feedback vs written information on the same topic

Health behaviour – Time point a: medium‐term (up to 6 months post‐intervention) Any cancer screening uptake · migrants

Culturally and literacy adapted audio‐/visual education without… showed no clear difference in health behaviour – Time point a: medium‐term (up to 6 months… compared with written information on the same topic (low certainty).

1 finding from 1 review

Oral health education only (verbal, written, or audio-visual education) delivered by non-dental health workers vs control (no intervention/usual care/isotonic exercise)

Caries experience · Children (mean age newborn to ~5.2 years) and their parents/carers

Oral-health-education-only interventions showed at most a marginal effect on tooth-level caries (dmft SMD -0.11, 95% CI -0.21 to -0.00; 2 studies; not GRADE-rated).

1 finding from 1 review

Oral health education only (verbal, written, or audio-visual education) delivered by non-dental health workers vs control (no intervention/usual care/isotonic exercise)

Caries experience at the surface level (dmfs/defs) · Children (mean age newborn to ~5.2 years) and their parents/carers

Oral-health-education-only interventions did not show a statistically significant effect on surface-level caries (dmfs SMD -0.20, 95% CI -0.43 to 0.03; 2 studies; not GRADE-rated).

1 finding from 1 review

Systemic aminocaproic acid vs placebo

Short‐term visual acuity 20/40 or better ≤ 2 weeks after treatment · people with traumatic hyphema

Systemic aminocaproic acid showed no clear difference in short‐term visual acuity 20/40 or better ≤ 2 weeks after treatment compared with placebo (low certainty).

1 finding from 1 review