Predictor | Age < 5 years ORs (95% CI) | p-value | Age ≥ 5 years ORs (95% CI) | p-value |
---|---|---|---|---|

Total sample size | 50,615^{*} | 22,100^{*} | ||

Null model (Level 1) | 0.8159 | 0.5575 | ||

ICC | 19.9% | 14.5% | ||

Patient level | ||||

Age in years | 0.85 (0.81–0.89) | <0.01 | 1.11 (1.08–1.13) | <0.01 |

Sex (ref = M) | 1.00 (0.87–1.16) | 0.98 | 1.08 (0.92–1.27) | 0.37 |

Physician level | ||||

Years on EMR | 0.97 (0.96–0.98) | <0.01 | 1.01 (0.99–1.04) | 0.32 |

Practice level | ||||

Patient volume (for every 5000 patients) | 1.08 (1.05–1.11) | <0.01 | 1.08 (1.02–1.13) | <0.01 |

Proportion pediatric patients (0–19) | 0.95 (0.94–0.96) | <0.01 | 1.00 (0.92–1.27) | 0.99 |

↵* The generalised linear mixed model (GLMM) did not converge using the full sample. A random sample of 10,000 patients was selected