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Recruitment Yield—Predicted Versus Actual and Pilot Versus Main Trial
| Predicted | Actual | Pilot | Main Trial | |
|---|---|---|---|---|
| No. of people contacted | 9,000 | 25,559 | 4,467 | 21,092 |
| Telephone screenings | 1,980 (22.0%) | 3,116 (12.2%) | 838 (18.8%) | 2,278 (10.8%) |
| Face-to-face screenings | 1,580 (79.8%) | 1,214 (40.0%) | 228 (27.2%) | 986 (43.3%) |
| Eligible | 768 (48.6%) | 777 (64.0%) | 138 (60.5%) | 639 (64.8%) |
| Overall recruitment rate | 8.5% | 3.0% | 3.1% | 3.0% |
| Recruitment period | 14 mo | 20 mo | 6 mo | 14 mo |
