Characteristics of the studied population of healthcare students from Salvador, Bahia, Brazil, 2004–2008
| Study population | Participants (N=1164), n (%) | Non-compliance (N=479), n (%) |
| Course | ||
| Medicine | 626 (53.8) | 270 (56.4) |
| Physiotherapy | 130 (11.2) | 44 (9.2) |
| Nursing | 133 (11.4) | 64 (13.4) |
| Pharmacy | 132 (11.3) | 40 (8.4) |
| Nutrition | 72 (6.2) | 31 (6.5) |
| Phonoaudiology | 43 (3.7) | 19 (4.0) |
| Dentistry | 28 (2.4) | 11 (2.3) |
| University | ||
| Public | 564 (48.5) | 265 (55.3) |
| Private | 600 (51.5) | 214 (44.7) |
| Age (years) | ||
| ≤Median (19 years) | 621 (53.4) | 235 (49.1) |
| >Median (19 years) | 542 (46.6) | 244 (50.9) |
| Unknown or no answer | 1 (0.1) | 0 (0) |
| Gender | ||
| Male | 422 (36.3) | 187 (39.0) |
| Female | 742 (63.7) | 292 (61.0) |
| Family income (in MW*) | ||
| ≤5 | 217 (18.6) | 79 (16.5) |
| >5 | 903 (77.6) | 377 (78.7) |
| Unknown or no answer | 44 (3.8) | 23 (4.8) |
| BCG vaccination | ||
| Yes | 874 (75.2) | 357 (74.5) |
| No | 33 (2.8) | 23 (4.8) |
| Unknown or no answer | 256 (22.0) | 99 (20.7) |
| Known contact with a patient with tuberculosis | ||
| Yes | ||
| Close contact (family or household) | 66 (5.7) | 31 (6.5) |
| Other | 59 (10.7) | 27 (5.6) |
| No | 1017 (87.4) | 412 (86.0) |
| Unknown or no answer | 22 (1.9) | 9 (1.9) |
| Previous diagnosis of tuberculosis | ||
| Yes | 1 (0.1) | 0 (0) |
| No | 1151 (98.9) | 474 (99.0) |
| Unknown or no answer | 12 (1.0) | 5 (1.0) |
* MW, minimum wage (>5 corresponds to the top half of the economic classification system adopted by Brazilian government agencies17).