Characteristics of migrants who were referred for follow-up during the study period (January 1, 2000–December 31, 2015)
| Migrants referred for follow-up | Migrants referred for follow-up who developed active tuberculosis | |
| Total cohort | 32 550 | 428 |
| Sex# | 32 128 | 428 |
| Male | 15 586 (49) | 205 (48) |
| Female | 16 542 (51) | 223 (52) |
| Age years | 38.8±20.7 | 35.4±15.7 |
| Country of origin# | 31 523 | 422 |
| China | 7705 (24) | 53 (13) |
| India | 3030 (10) | 76 (18) |
| Philippines | 2775 (9) | 28 (7) |
| Vietnam | 1535 (5) | 48 (12) |
| Other | 16 478 (52) | 216 (50) |
Data are presented as n (%) or mean±sd, unless otherwise stated. #: some data were missing, percentages refer to migrants for whom information was available.