Changes in the utilization of the services of Ontario primary care providers, optometrists and ophthalmologists before and after delisting in 2004
| Category of provider utilization; patient age, yr | Level change after 2004, β2 (95% CI) | Trend after 2004, β3 (95% CI) |
|---|---|---|
| Nonrefractive ocular diagnoses | ||
| Primary care providers | ||
| 0–19 | 2.7 (1.3 to 4.1) | 0.5 (0.03 to 1.0) |
| 20–39 | 17.8 (17.0 to 18.7) | −0.1 (−0.4 to 0.2) |
| 40–64 | 11.6 (10.6 to 12.5) | −0.1 (−0.4 to 0.2) |
| ≥ 65 | −0.01 (−0.3 to 0.3) | −0.1 (−0.2 to 0.03) |
| Optometrists | ||
| 0–19 | −4.3 (−5.6 to −2.9) | −0.9 (−1.3 to −0.5) |
| 20–39 | −30.0 (−31.8 to −28.1) | −0.3 (−0.8 to 0.2) |
| 40–64 | −25.6 (−27.0 to −24.2) | −0.6 (−1.1 to −0.1) |
| ≥ 65 | 0.7 (0.1 to 1.4) | −0.5 (−0.7 to −0.3) |
| Ophthalmologists | ||
| 0–19 | −0.7 (−1.7 to 0.2) | 0.03 (−0.2 to 0.2) |
| 20–39 | 4.5 (3.7 to 5.3) | 0.4 (0.1 to 0.6) |
| 40–64 | 9.1 (8.2 to 10.0) | 0.7 (0.4 to 1.0) |
| ≥ 65 | −0.9 (−1.3 to −0.5) | 0.6 (0.5 to 0.8) |
| Dermatologic diagnoses | ||
| Primary care providers | ||
| 0–19 | −0.3 (−0.7 to 0.2) | −0.4 (−0.6 to −0.2) |
| 20–39 | 1.1 (0.3 to 1.9) | −0.4 (−1.1 to 0.2) |
| 40–64 | 1.0 (−0.2 to 2.2) | 0.4 (−1.3 to 0.4) |
| ≥ 65 | 0.2 (−0.7 to 1.1) | −0.1 (−0.4 to 0.1) |
Note: CI = confidence interval.