Table 1. Demographic characteristics of cases in the isoniazid-resistant tuberculosis outbreak, England and Wales, 1995–2014.
| 1995–1999 n (%) |
2000–2004 n (%) |
2005–2009 n (%) |
2010–2014 n (%) |
All n (% of total) |
|
|---|---|---|---|---|---|
| All cases | 21 | 191 | 176 | 120 | 508 |
| Sex | |||||
| Male | 13 (61.9) | 139 (72.8) | 122 (69.3) | 86 (71.7) | 360 (70.9) |
| Female | 8 (38.1) | 52 (27.2) | 54 (30.7) | 34 (28.3) | 148 (29.1) |
| Age (years) | |||||
| Median | 25 | 35 | 36 | 42 | 36 |
| < 15 | 1 (4.8) | 1 (0.5) | 5 (2.8) | 2 (1.7) | 9 (1.8) |
| 15–24 | 9 (42.9) | 31 (16.2) | 22 (12.5) | 8 (6.7) | 70 (13.8) |
| 25–34 | 8 (38.1) | 60 (31.4) | 53 (30.1) | 29 (24.2) | 150 (29.5) |
| 35–44 | 1 (4.8) | 58 (30.4) | 55 (31.3) | 31 (25.8) | 145 (28.5) |
| 45–64 | 1 (4.8) | 34 (17.8) | 35 (19.9) | 46 (38.3) | 116 (22.8) |
| > 65 | 1 (4.8) | 7 (3.7) | 6 (3.4) | 4 (3.3) | 18 (3.5) |
| Ethnic group | |||||
| White | 8 (38.1) | 59 (30.9) | 73 (41.5) | 59 (49.2) | 199 (39.2) |
| Black Caribbean | 4 (19.0) | 59 (30.9) | 49 (27.8) | 22 (18.3) | 134 (26.4) |
| Black African | 3 (14.3) | 34 (17.8) | 20 (11.4) | 10 (8.3) | 67 (13.2) |
| Indian | 2 (9.5) | 7 (3.7) | 6 (3.4) | 7 (5.8) | 22 (4.3) |
| Black other | 1 (4.8) | 4 (2.1) | 8 (4.5) | 5 (4.2) | 18 (3.5) |
| Other | 1 (4.8) | 18 (9.4) | 14 (8.0) | 15 (12.5) | 43 (8.4) |
| Unknown | 2 (9.5) | 10 (5.2) | 6 (3.4) | 2 (1.7) | 20 (3.9) |
| UK-born | |||||
| Yes | 15 (71.4) | 95 (49.7) | 114 (64.8) | 82 (68.3) | 306 (60.2) |
| No | 4 (19.0) | 82 (42.9) | 51 (29.0) | 35 (29.2) | 172 (33.9) |
| Unknown | 2 (9.5) | 14 (7.3) | 11 (6.3) | 3 (2.5) | 30 (5.9) |
| Country/area of birth if not UK-born | |||||
| Sub-Saharan Africaa | 1 (4.8) | 24 (12.6) | 20 (11.4) | 8 (6.7) | 53 (10.4) |
| Jamaica | 0 (0) | 17 (8.9) | 10 (5.7) | 5 (4.2) | 32 (6.3) |
| Ireland | 1 (4.8) | 14 (7.3) | 2 (1.1) | 6 (5.0) | 23 (4.5) |
| Indian Subcontinentb | 1 (4.8) | 4 (2.1) | 3 (1.7) | 6 (5.0) | 14 (2.8) |
| Other | 0 (0) | 20 (10.5) | 15 (8.5) | 10 (8.3) | 45 (8.9) |
| Unknown | 3 (14.3) | 17 (8.9) | 12 (6.8) | 3 (2.5) | 35 (6.9) |
UK: United Kingdom.
a Includes cases born in Angola, Congo, Eritrea, Ethiopia, Gambia, Ghana, Kenya, Liberia, Mauritania, Nigeria, Sierra Leone, Somalia, Tanzania, Uganda, Zambia and Zimbabwe.
b Includes cases born in India, Bangladesh, Pakistan and Sri Lanka.