Demographic and treatment characteristics of referral groups
| Variable# | Referral | Total | ||
| New arrivals | Contacts | School reactors | ||
| Subjects n | 289 | 247 | 50 | 586 |
| Age*** mean yrs | 25.4 | 20.9 | 12.9 | 22.5 |
| Sex male** % | 69.2 | 56.3 | 48.0 | 61.9 |
| UK born*** % | 0 | 39.8 | 52.0 | 21.2¶ |
| Ethnicity*** n | ||||
| White UK | 0 | 26 | 10 | 36 |
| White EU | 26 | 11 | 0 | 37 |
| White non-EU | 82 | 44 | 8 | 134 |
| Asian ISC | 43 | 32 | 8 | 83 |
| South-east Asian/Chinese | 26 | 13 | 3 | 42 |
| Black | 91 | 91 | 21 | 202 |
| Black Somali | 9 | 28 | 0 | 37 |
| Middle Eastern/Arab | 12 | 2 | 1 | 15 |
| English spoken language*** % | 31.6 | 68.7 | 98.0 | 52.5+ |
| GP registered*** % | 68.1 | 81.4 | 90.0 | 75.6¶ |
| BCG vaccinated % | 78.7 | 75.9 | 68.0 | 76.6§ |
| Clinic nonattendance pre-treatment % | 32.5 | 24.3 | 24.0 | 28.3 |
| Regimen choice offered % | 50.2 | 46.6 | 50.0 | 48.6 |
| Regimen prescribed n | ||||
| Rifampicin/isoniazid | 168 | 125 | 19 | 312 |
| Isoniazid | 121 | 122 | 31 | 274 |
| Treatment restart % | 11.1 | 8.1 | 18.0 | 10.4 |
| Regimen change % | 1.7 | 6.5 | 2.0 | 3.8 |
| Completion outcome % | ||||
| Success | 52.9 | 52.2 | 64.0 | 53.6 |
| Failure | 34.6 | 40.5 | 22.0 | 36.0 |
| Potential success | 12.5 | 7.3 | 14.0 | 10.4 |
EU: European Union; ISC: Indian subcontinent; GP: general practitioner; BCG: bacille Calmette–Guerin. #: statistical significance tests were performed using Pearson Chi-squared tests, except for age comparison, which was performed using Kruskal–Wallis H-test; ¶: n = 585; +: n = 568; §: n = 578. **: p<0.01; ***: p<0.001.