Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

25 questions · 28 findings · 4 reviews

No studies found 8 · 28.6%GRADE not reported 0 · 0%Very low 9 · 32.1%Low 7 · 25%Moderate 4 · 14.3%High 0 · 0%

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

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 ‐ Personalised weight… compared with brief advice or no intervention (low certainty).

3 findings from 1 review

Targeted mass media intervention vs targeted mass media intervention plus personalised content

Intake meeting target from dietary guidelines, 3 months from baseline · adult, ethnic minority groups: Latino immigrants, elderly Chinese immigrants, self‐described Americans of African heritage

It is very uncertain whether targeted mass media intervention changes intake meeting target from dietary guidelines, 3 months from baseline compared with targeted mass media intervention plus personalised content (very low certainty).

1 finding from 1 review

Targeted mass media intervention vs targeted mass media intervention plus personalised content

Changes in dietary composition, 12 months from baseline · adult, ethnic minority groups: Latino immigrants, elderly Chinese immigrants, self‐described Americans of African heritage
1 finding from 1 review

Targeted mass media intervention vs targeted mass media intervention plus personalised content

Weekly physical activity meeting target from guidelines, 3 months from baseline · adult, ethnic minority groups: Latino immigrants, elderly Chinese immigrants, self‐described Americans of African heritage

It is very uncertain whether targeted mass media intervention changes weekly physical activity meeting target from guidelines, 3 months… compared with targeted mass media intervention plus personalised content (very low certainty).

1 finding from 1 review