Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

31 questions · 32 findings · 14 reviews

No studies found 3 · 9.4%GRADE not reported 8 · 25%Very low 5 · 15.6%Low 9 · 28.1%Moderate 6 · 18.8%High 1 · 3.1%

Psychological intervention based on a specified psychological model/theory (to increase adherence to oral hygiene instructions) vs Educational intervention (oral hygiene education/instruction)

Self-efficacy beliefs (flossing) · Adults (aged 18 or over) diagnosed with periodontal disease (gingivitis or periodontitis)
1 finding from 1 review

Reminders (+/‐ educational information) vs usual family planning care

Continuation of hormonal contraceptive method · Women of reproductive age seeking to avoid pregnancy

It is very uncertain whether reminders (+/‐ educational information) changes continuation of hormonal contraceptive method compared with usual family planning care (very low certainty).

1 finding from 1 review

Intervention not reported

Adherence to asthma policies 6 months to 1 year · school staff
1 finding from 1 review