Fecal Immunochemical Test Completion across Study Arms, Intention-to-Treat Analysis using Electronic Health Record Data Obtained 6 Months following Randomization
| Analytic Method | FIT Completion Rates | Adjusted Difference in Proportions* (95%CI) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Automated (A) | Live (B) | Automated Plus Live (C) | B vs A | C vs A | C vs B | ||||
| N | % Completed FIT (95% CI) | N | % Completed FIT (95% CI) | N | % Completed FIT (95% CI) | ||||
| Intention-to-treat | 589 | 26.0 (22.4, 29.5) | 589 | 32.3 (28.5, 36.0) | 589 | 35.7 (31.8, 39.5) | 6.3 (1.1, 11.4) | 9.7 (4.4, 14.9) | 3.4 (−2.0, 8.8) |
| Per-protocol† | 348 | 29.3 (24.5, 34.1) | 487 | 36.3 (32.1, 40.6) | 326 | 41.4 (36.0, 46.8) | 6.9 (0.6, 13.4) | 12.1 (4.9, 19.2) | 5.1 (−1.8, 11.9) |
CI, confidential interval; FIT, fecal immunochemical test.
↵* Adjusted for clinic.
↵† Automated: successful delivery of text message and at least 1 automated phone call; live: successful delivery of at least 1 live phone call (left message or spoke to patient); automated plus live: successful delivery of text messages, at least 1 automated phone call, and at least 1 live phone call (left message or spoke to patient).