Table 3 Top 15 most important variables for predicting tuberculosis screening yield (Approach 2a, CART with continuous outcome; n = 73 neighborhoods).
Importance ranking | Variable | Relative variable importance score |
|---|---|---|
1 | Percent of households that own a sound system | 100.0 |
2 | Percent of households that own a blender | 69.3 |
3 | Percent of households that own a stove | 55.6 |
4 | Percent of households that own a computer | 54.2 |
5 | Percent of households that own a refrigerator | 45.6 |
6 | Percent of households that own a television | 42.3 |
7 | Percent of households that own an iron | 41.9 |
8 | Percent of households that have internet | 33.5 |
9 | Historic tuberculosis case notification rate amongst those > 44 years old | 30.4 |
10 | Percent of households that own a washing machine | 25.5 |
11 | Percent of households that own a landline phone | 24.3 |
12 | Percent of households that have cable | 22.7 |
13 | Percent of households that own a vehicle | 21.4 |
14 | Percent of population that have completed only a primary school education | 20.9 |
15 | Percent of population that have completed only a secondary school education | 19.1 |