Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

116 questions · 128 findings · 27 reviews

No studies found 23 · 18%GRADE not reported 6 · 4.7%Very low 26 · 20.3%Low 41 · 32%Moderate 31 · 24.2%High 1 · 0.8%

Brief intervention vs treatment

Number of drinks per week · concurrent problem alcohol and illicit drug users
2 findings from 1 review

Behavioural intervention vs control

Smoking cessation at time of surgery ‐ Brief behavioural intervention · People awaiting surgery

Behavioural intervention leads to higher smoking cessation at time of surgery ‐ Brief behavioural intervention compared with control (high certainty).

1 finding from 1 review

Interventions for involving patients in decision‐making about their health care vs usual care

Psychiatric symptoms Brief Psychiatric Rating Scale (BPRS; Overall 1988): 16 items with 7‐item Likert scale ('not present' to 'extremely severe') measured 6 months after intervention (Yamaguchi 2017). · patients with mental health disorders
1 finding from 1 review

Behavioural weight management interventions vs brief advice or no intervention

Change in weight (kg) · People wanting to quit smoking

Behavioural weight management interventions showed no clear difference in mean weight change (kg) at end of treatment ‐ Weight management… compared with brief advice or no intervention (low certainty).

6 findings from 1 review
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Behavioural weight management interventions vs brief advice or no intervention

Cessation · People wanting to quit smoking

Behavioural weight management interventions may leads to lower smoking cessation at 12 months ‐ Personalised weight management… compared with brief advice or no intervention (low certainty).

2 findings from 1 review

Behavioural weight management interventions vs brief advice or no intervention

Smoking cessation · People wanting to quit smoking

Behavioural weight management interventions showed no clear difference in smoking cessation at 6 months ‐ Weight management education versus… compared with brief advice or no intervention (low certainty).

2 findings from 1 review

Interventions delivered by dental professionals vs control

Smoking cessation · participants who used tobacco products

It is very uncertain whether interventions delivered by dental professionals changes multi‐session behavioural support versus usual care, brief advice,… compared with control (very low certainty).

3 findings from 1 review

BRIEF FAMILY INTERVENTION vs usual care

Hospital admissions · patients with schizophrenia

It is very uncertain whether BRIEF FAMILY INTERVENTION changes service utilisation ‐ hospital admission ‐ medium to long term… compared with STANDARD CARE (very low certainty).

1 finding from 1 review

BRIEF FAMILY INTERVENTION vs usual care

Global state: relapse ‐ medium term ‐ not measured · patients with schizophrenia

BRIEF FAMILY INTERVENTION showed no clear difference in global state ‐ relapse ‐ medium to long term relapse rates (clinical… compared with STANDARD CARE (low certainty).

1 finding from 1 review