Multivariable Modeling of the Pre- to Postintervention Change in the Outcome Measures by Study Arm
| Variable | Assessment of Asthma Severity OR (95% CI) | Assessment of Environmental Triggers OR (95% CI) | Asthma Action Plan OR (95% CI) | Assessment of Level of Contro OR (95% CI) | Asthma Controller Medications OR (95% CI) | Asthma Follow-up Visits OR (95% CI) |
|---|---|---|---|---|---|---|
| Interaction of study arm with study period | ||||||
| LLC | 0.5 (0.3–0.7) | … | … | 0.8 (0.5–1.2) | … | … |
| PF | 2.5 (1.7–3.8) | … | … | 2.3 (1.5–3.5) | … | … |
| PF + LLC | 1.0 (0.7–1.5) | … | … | 1.1 (0.7–1.7) | … | … |
| Control | 1.0 | … | … | 1.0 | … | … |
| P value | .002 | .58 | . 24 | .005 | .24 | .83 |
| Medical record type | ||||||
| Electronic | 0.6 (0.5,−0.8) | 1.6 (1.1–2.2) | 0.6 (0.4–0.9) | |||
| Paper | 1.0 | 1.0 | 1.0 | |||
| P value | <.001 | .005 | .020 | … | … | … |
| Mid-level practitioners | ||||||
| Yes | 1.8 (1.3–2.4) | … | 0.5 (0.3, 0.9) | … | … | … |
| No | 1.0 | … | 1.0 | … | … | |
| P value | <.001 | … | .011 | … | … | … |
| Practice size | ||||||
| 1 | … | 0.7 (0.4–1.1) | 0.3 (0.1–0.8) | 1.0 (0.7–1.5) | … | 1.5 (0.7–3.2) |
| 2 | … | 1.9 (1.4–2.6) | 1.5 (0.9–2.4) | 1.5 (1.2–2.0) | … | 3.0 (1.6–5.5) |
| 3–5 | … | 1.6 (1.1–2.4) | 0.9 (0.5–1.7) | 0.8 (0.6–1.1) | … | 1.2 (0.7–2.1) |
| ≥6 | … | 1.0 | 1.0 | 1. 0 | … | 1.0 |
| P value | … | <.0 01 | <.0 01 | <. 0 01 | … | .001 |
| Clinician owned | ||||||
| Yes | … | 1.6 (1.3–2.1) | … | 1.5 (1.2–1.9) | … | 0.3 (0.2–0.5) |
| No | … | 1.0 | … | 1.0 | … | 1.0 |
| P value | … | <.001 | … | <.001 | … | <.001 |
| Region | ||||||
| New York | 0.6 (0.5–0.8) | 1.3 (1.0–1.6) | 0.2 (0.2–0.4) | 1.5 (1.2–1.9) | 0.7 (0.5–0.9) | 1.9 (1.3–3.0) |
| Oklahoma | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
| P value | <.001 | .038 | <.001 | <.001 | .006 | .004 |
LLC = local learning collaborative; OR = odds ratio; PF = practice facilitation.