Findings

What do systematic reviews say?

187 questions · 200 findings · 44 reviews

No studies found 34 · 17%GRADE not reported 39 · 19.5%Very low 45 · 22.5%Low 57 · 28.5%Moderate 19 · 9.5%High 6 · 3%

Smoking cessation Self‐reported abstinence (majority) · callers to quitlines

The intervention probably leads to higher smoking cessation Self‐reported abstinence (majority) (moderate certainty).

1 finding from 1 review

Telephone counselling for smoking cessation 2019 · Cochrane Headline outcomes only
RR 1.38 [1.19, 1.61]
14 studies · 32484 participants
Moderate

Smoking cessation Self‐reported abstinence (majority) · smokers not calling quitlines

The intervention probably leads to higher smoking cessation Self‐reported abstinence (majority) (moderate certainty).

1 finding from 1 review

Telephone counselling for smoking cessation 2019 · Cochrane Headline outcomes only
RR 1.25 [1.15, 1.35]
65 studies · 41233 participants
Moderate

Depressive symptoms · informal carers of people with dementia

1 finding from 1 review

Efficacy and experiences of telephone counselling for informal carers of people with dementia 2014 · Cochrane Headline outcomes only
no estimate extracted
3 studies · 163 participants
Moderate

Burden · informal carers of people with dementia

1 finding from 1 review

Efficacy and experiences of telephone counselling for informal carers of people with dementia 2014 · Cochrane Headline outcomes only
no estimate extracted
4 studies · 165 participants
Moderate

Support · informal carers of people with dementia

1 finding from 1 review

Efficacy and experiences of telephone counselling for informal carers of people with dementia 2014 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 67 participants
Low

Completion of treatment · People with latent tuberculosis

1 finding from 1 review

Patient education and counselling for promoting adherence to treatment for tuberculosis 2012 · Cochrane Headline outcomes only
no estimate extracted
3 studies · 923 participants
Low

Incidence of active tuberculosis · People with latent tuberculosis

1 finding from 1 review

Patient education and counselling for promoting adherence to treatment for tuberculosis 2012 · Cochrane Headline outcomes only
no estimate extracted
0 studies · 0 participants
GRADE not reported