Performance of the classification tree models using only the first two splits
| Performance of the classification tree | Oversampled training setn = 4,506, including 2,253 current vapers and 2,253 former vapers | Validation setn = 306, including 56 current vapers and 250 former vapers | ||||
|---|---|---|---|---|---|---|
| Tree composition | Accuracy | Sensitivity | Specificity | Accuracy | Sensitivity | Specificity |
| First split only | 0.64 | 0.60 | 0.68 | 0.67 | 0.56 | 0.70 |
| First two splits | 0.66 | 0.74 | 0.60 | 0.63 | 0.67 | 0.62 |
| Full tree | 0.71 | 0.70 | 0.71 | 0.72 | 0.65 | 0.73 |