| Predictor | Age < 5 years Adjusted ORs (95% CI) | p-value | Age ≥ 5 years Adjusted ORs (95% CI) | p-value |
|---|---|---|---|---|
| Total sample size | 159,390 | 26,188 | ||
| Null model (Level 1) | 0.535 | 0.883 | ||
| ICC | 13.9% | 21.0% | ||
| Patient level | ||||
| Age in years | 1.33 (1.30–1.36) | <0.01 | 0.98 (0.96–0.99) | <0.01 |
| Sex (ref = M) | 1.01 (0.96–1.05) | 0.81 | 1.02 (0.91–1.13) | 0.86 |
| Physician level | ||||
| Years on EMR | 1.01 (1.00–1.01) | <0.01 | 1.03 (1.01–1.04) | 0.01 |
| Practice level | ||||
| Patient volume (for every 5000 patients) | 1.09 (1.08–1.11) | <0.01 | 0.96 (0.91–0.99) | 0.01 |
| Proportion pediatric patients (0–19) | 0.96 (0.93–0.98) | <0.01 | 0.99 (0.98–1.01) | 0.23 |