Summary of logistic regression models predicting emergency department utilization within 30 days of discharge
| Sample size | P value | OR (95% CI) | AUC (95% CI) | |
| Model 1, all data | ||||
| CNI scores 4–5 (vs. 1–3) | 2915 | <0.001 | 2.0 (1.4 to 2.9) | 0.69 (0.66 to 0.73) |
| Model 2, private insurance | ||||
| CNI scores 4–5 (vs. 1–3) | 733 | 0.027 | 2.1 (1.1 to 4.1) | 0.69 (0.62 to 0.76) |
| Model 3, government | ||||
| CNI scores 4–5 (vs. 1–3) | 1595 | 0.012 | 1.9 (1.1 to 3.1) | 0.67 (0.64 to 0.72) |
| Model 4, uninsured | ||||
| CNI scores 4–5 (vs. 1–3) | 587 | 0.208 | 1.6 (0.6 to 7.7) | 0.77 (0.70 to 0.84) |
AUC, area under the curve; CNI, Community Need Index.