Financial incentive vs no incentives: Number recruited
Financial incentive showed no clear difference in number recruited compared with no incentive (moderate certainty).
What each review found
Include earlier review versions| Finding | Effect | Studies | GRADE certainty |
|---|---|---|---|
Financial incentive vs no incentive Number recruited · individuals eligible for a trial Financial incentive showed no clear difference in number recruited compared with no incentive (moderate certainty). Strategies to improve recruitment to randomised trials (2018) · Cochrane Headline outcomes only | RR 1.48 [0.85, 2.58] | 6 studies · 1506 participants | Moderate |
Findings are shown side by side, never pooled across reviews.
The reviews
| Review | Searched up to | Included studies | AMSTAR 2 |
|---|---|---|---|
| Strategies to improve recruitment to randomised trials 2018 · Cochrane Headline outcomes only | Not reported | list not extracted yet | Not assessed |
Studies behind the findings
None of these reviews ties its included studies to this outcome in the data here. Cochrane reviews and reviews with headline outcomes only do not list their studies yet.
How reviews are matched to this question
Reviews word the same question differently. Four decision models (TypeSafe's Jev, Liquid AI's d1-ultra, SubQ Snap and Baseten's Elephant) judged each wording of the population, intervention, comparator and outcome against the others; two wordings count as the same when at least three of them agree and none clearly disagrees, and findings count as this question only when all four elements match. Timing, setting and subgroup never split a question: they are shown on each finding.