Table 3 Types of close contact screened and treated for active tuberculosis
|  | Screened¥ (n = 2899) n (%) | Treated for TB┼ (n = 39) n (%) | Number needed to screen n | Screening yield (per 100 000) |
|---|---|---|---|---|
Close contact type | Â | Â | Â | Â |
 Neighbor | 1619 (56.6) | 35 (89.7) | 46 | 2162 |
 Relative | 831 (29.1) | 3 (7.7) | 277 | 361 |
 Friends | 236 (8.3) | 1 (2.6) | 236 | 424 |
 Coworker | 134 (4.7) | 0 (0.0) | – | – |
 Service provider | 37 (1.3) | 0 (0.0) | – | – |
 Classmates | 3 (0.1) | 0 (0.0) | – | – |