Table 3.
Discrimination statistics (AUC statistics) for five multi-predictor models for the suicide attempt/ intentional self-harm outcome in the training and the testing sample.
| Training Sample, n = 166,489 |
Testing Sample, n = 82,002 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Model | Area | Standard Error | (95% CI) | Area | Standard Error | (95% CI) | ||||
| Model1 | 0.66 | 0.01 | (0.6524 | – | 0.672) | 0.65 | 0.01 | (0.6391 | – | 0.6679) |
| Model2 | 0.74 | 0.00 | (0.7276 | – | 0.7466) | 0.74 | 0.01 | (0.7227 | – | 0.7498) |
| Model3 | 0.75 | 0.00 | (0.7453 | – | 0.7643) | 0.75 | 0.01 | (0.7409 | – | 0.7679) |
| Model4 | 0.86 | 0.00 | (0.8506 | – | 0.8666) | 0.86 | 0.01 | (0.8505 | – | 0.8728) |
| Model5 | 0.86 | 0.00 | (0.853 | – | 0.8689) | 0.86 | 0.01 | (0.8533 | – | 0.8755) |
| Contrast | ||||||||||
| Model2 - Model1 | 0.07 | 0.00 | (0.0657 | – | 0.0842) | 0.08 | 0.01 | (0.0683 | – | 0.0972) |
| Model3 - Model1 | 0.09 | 0.00 | (0.0833 | – | 0.102) | 0.10 | 0.01 | (0.0864 | – | 0.1153) |
| Model4 - Model1 | 0.20 | 0.01 | (0.1861 | – | 0.2068) | 0.21 | 0.01 | (0.1925 | – | 0.2239) |
| Model5 - Model1 | 0.20 | 0.01 | (0.1885 | – | 0.2091) | 0.21 | 0.01 | (0.1952 | – | 0.2265) |