Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

72 questions · 82 findings · 16 reviews · Headline outcomes only

No studies found 21 · 25.6%GRADE not reported 2 · 2.4%Very low 26 · 31.7%Low 21 · 25.6%Moderate 9 · 11%High 3 · 3.7%

Counselling vs minimal contact control

Smoking cessation · people who smoke

Individual counselling leads to higher smoking cessation at longest compared with minimal contact control (high certainty).

2 findings from 1 review

Community health educational one‐to‐one and group and both counselling (subgroup) vs control

Early neonatal mortality ‐ Both one‐to‐one and group counselling · developing countries

Community health educational one‐to‐one and group and both… probably leads to lower early neonatal mortality ‐ Both one‐to‐one and group counselling compared with control (moderate certainty).

1 finding from 1 review

Community health educational one‐to‐one and group and both counselling (subgroup) vs control

Late neonatal mortality ‐ Group counselling · developing countries

It is very uncertain whether community health educational one‐to‐one and group and both… changes late neonatal mortality ‐ Group counselling compared with control (very low certainty).

1 finding from 1 review

Community health educational one‐to‐one and group and both counselling (subgroup) vs control

Late neonatal mortality ‐ Both group and one‐to‐one counselling · developing countries

Community health educational one‐to‐one and group and both… probably leads to lower late neonatal mortality ‐ Both group and one‐to‐one counselling compared with control (moderate certainty).

1 finding from 1 review

Community health educational one‐to‐one and group and both counselling (subgroup) vs control

Perinatal mortality ‐ One‐to‐one counselling · developing countries

It is very uncertain whether community health educational one‐to‐one and group and both… changes perinatal mortality ‐ One‐to‐one counselling compared with control (very low certainty).

1 finding from 1 review