Percentage Difference in Increase of Preventive Services at 4 or 16 Months From Baseline for Intervention vs Control or Users vs Nonusers
| Intervention vs Control (Intention to Treat) | Users vs Nonusers (Subgroup Analysis) | |||
|---|---|---|---|---|
| Indicated Preventive Services | 4 mo | 16 mo | 4 mo | 16 mo |
| Overall delivery of indicated preventive services | ||||
| Patients up-to-date on all indicated services (all-or-none measure) | 1.1 | 2.3a,b | 2.4 | 9.3b,c |
| Percentage of up-to-date services (composite measure) | 0.7 | 1.0 | 4.6b,c | 6.9b,d |
| Delivery of selected, specific preventive services | ||||
| Colorectal cancer screening | 3.9 | 2.9 | 15.3b,c | 14.2b,c |
| Breast cancer screening | −2.9 | −1.9 | 12.3a,b | 7.7 |
| Cervical cancer screening | −2.1 | −0.3 | 11.3b,c | 13.4b,c |
| Tetanus immunization | 1.0 | 2.0 | 8.7b,c | 10.3b,c |
| Influenza immunization | 2.9 | 4.3 | 5.2 | 3.0 |
| Pneumococcal immunization | 2.8 | 5.7 | 6.3 | 8.9 |