evidence/gaps
Cochrane · systematic review · CD002850

Telephone counselling for smoking cessation

Matkin, W, Ordóñez‐Mena, JM, Hartmann‐Boyce, J · Cochrane Database of Systematic Reviews · 2019 · Cochrane Library

Tobacco Addiction2 versionsAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
2
current version
GRADE rated
2
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 2 · 100%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Show all 2 versions

Interventions for callers to quitlines ‐ effect of additional proactive calls for smoking cessation

Population: callers to quitlines
1 question
OutcomeEffectEvidenceStatus / GRADE
Smoking cessation Self‐reported abstinence (majority)
RR 1.38 [1.19, 1.61]14 studies · 32484 participantsModerate
Downgraded: risk of bias, inconsistency

Interventions for smokers not calling quitlines ‐ effect of proactive telephone counselling

Population: smokers not calling quitlines
1 question
OutcomeEffectEvidenceStatus / GRADE
Smoking cessation Self‐reported abstinence (majority)
RR 1.25 [1.15, 1.35]65 studies · 41233 participantsModerate
Downgraded: risk of bias