Table 4.
Univariable and multivariable logistic regression models comparing extra-pulmonary TB cases with less than and greater than 4 months between symptom onset and starting treatment
| Characteristics | <4 months | >4 months | col chi | Univariable analysis | Multivariable analysisa | ||||
|---|---|---|---|---|---|---|---|---|---|
| n | % | n | % | P value | OR | 95% CI | aOR | 95% CI | |
| Sex | |||||||||
| Female | 2682 | 42.5 | 2047 | 47.9 | <0.001 | 1.2 | 1.2–1.3 | 1.2 | 1.1–1.3 |
| Male | 3635 | 57.5 | 2230 | 52.1 | 1.0 | – | 1.0 | – | |
| Age group | |||||||||
| 0–14 | 203 | 3.2 | 67 | 1.6 | <0.001 | 0.5 | 0.4–0.7 | 0.5 | 0.4–0.7 |
| 15–44 | 4136 | 65.5 | 2668 | 62.4 | 1.0 | – | 1.0 | – | |
| 45–64 | 1325 | 21.0 | 1054 | 24.6 | 1.2 | 1.1–1.4 | 1.1 | 1.0–1.2 | |
| 65+ | 653 | 10.3 | 488 | 11.4 | 1.2 | 1.0–1.3 | 1.0 | 0.9–1.2 | |
| London | |||||||||
| No | 3515 | 55.6 | 2723 | 63.7 | <0.001 | 1.4 | 1.3–1.5 | 1.4 | 1.3–1.6 |
| Yes | 2802 | 44.4 | 1554 | 36.3 | 1.0 | – | 1.0 | – | |
| UK-born/time since entry | |||||||||
| UK-born | 1089 | 18.3 | 723 | 17.6 | <0.001 | 1.0 | – | 1.0 | – |
| Non UK-born 0–1 years | 760 | 12.8 | 339 | 8.3 | 0.7 | 0.6–0.8 | 0.7 | 0.6–0.8 | |
| Non UK-born 2–4 years | 1138 | 19.2 | 698 | 17.0 | 0.9 | 0.8–1.1 | 1.0 | 0.8–1.1 | |
| Non UK-born 5–9 years | 1116 | 18.8 | 770 | 18.8 | 1 | 0.9–1.2 | 1.1 | 0.9–1.2 | |
| Non UK-born 10+ years | 1838 | 30.9 | 1573 | 38.3 | 1.3 | 1.1–1.4 | 1.3 | 1.1–1.4 | |
| Previous diagnosis | |||||||||
| No | 5813 | 94.4 | 3976 | 94.5 | 0.9 | 1.0 | 0.9–1.2 | 1.1 | 0.9–1.3 |
| Yes | 345 | 5.6 | 233 | 5.5 | 1.0 | – | 1.0 | – | |
| Any social risk factor | |||||||||
| No | 5459 | 95.1 | 3730 | 95.9 | 0.1 | 1.0 | – | 1.0 | – |
| Yes | 280 | 4.9 | 160 | 4.1 | 0.8 | 0.7–1.0 | 0.9 | 0.8–1.1 | |
a
Multivariable analysis was adjusted for age, sex, area of residence, country of birth and time since entry to the UK, site of disease and social risk factor.