Estimated Quits by Level of Enrollment in Quit Line
| Enrollment Status | Usual Quit Rate (%) | Intervention (n = 484) | Control (n = 220) |
|---|---|---|---|
| * Actual referrals x estimated quit rate = number of quits. | |||
| Level 1, enrolled in Quit Line | 25 | 73 × 0.25 = 18.25 | 72 × 0.25 = 18.00 |
| Level 2, brochure and callbacks | 15 | 126 × 0.15 = 18.90 | 62 × 0.15 = 9.30 |
| No enrollment, clinician advice only | 10 | 285 × 0.10 = 28.50 | 86 × 0.10 = 8.60 |
| Total estimated quits | 65.65 | 35.90 | |