Table 5.
Univariable and multivariable logistic regression models comparing 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 | 3216 | 38.0 | 1386 | 41.8 | <0.001 | 1.2 | 1.1–1.3 | 1.2 | 1.1–1.3 |
| Male | 5245 | 62.0 | 1932 | 58.2 | 1.0 | – | 1.0 | – | |
| Age group | |||||||||
| 0–14 | 454 | 5.4 | 51 | 1.5 | <0.001 | 0.3 | 0.2–0.4 | 0.2 | 0.2–0.3 |
| 15–44 | 5035 | 59.5 | 1753 | 52.8 | 1.0 | – | 1.0 | – | |
| 45–64 | 1817 | 21.5 | 869 | 26.2 | 1.4 | 1.2–1.5 | 1.3 | 1.1–1.4 | |
| 65+ | 1155 | 13.7 | 645 | 19.4 | 1.6 | 1.4–1.8 | 1.4 | 1.3–1.6 | |
| London | |||||||||
| No | 5226 | 61.8 | 2287 | 68.9 | <0.001 | 1.4 | 1.3–1.5 | 1.2 | 1.1–1.3 |
| Yes | 3235 | 38.2 | 1031 | 31.1 | 1.0 | – | 1.0 | – | |
| UK-born/time since entry | |||||||||
| UK-born | 2709 | 33.9 | 1282 | 40.6 | <0.001 | 1.0 | – | 1.0 | – |
| Non-UK-born 0–1 years | 1036 | 13.0 | 266 | 8.4 | 0.5 | 0.5–0.6 | 0.6 | 0.5–0.7 | |
| Non-UK-born 2–4 years | 1104 | 13.8 | 353 | 11.2 | 0.7 | 0.6–0.8 | 0.7 | 0.6–0.8 | |
| Non-UK-born 5–9 years | 1100 | 13.8 | 395 | 12.5 | 0.8 | 0.7–0.9 | 0.8 | 0.7–0.9 | |
| Non-UK-born 10+ years | 2043 | 25.6 | 865 | 27.4 | 0.9 | 0.8–1.0 | 0.8 | 0.7–0.9 | |
| Previous diagnosis | |||||||||
| No | 7606 | 92.8 | 3013.0 | 93.1 | 0.6 | 1.0 | 0.9–1.2 | 1.2 | 1.0–1.4 |
| Yes | 592 | 7.2 | 224.0 | 6.9 | 1.0 | – | 1.0 | – | |
| Any social risk factor | |||||||||
| No | 6557 | 86.2 | 2601 | 85.8 | 0.6 | 1.0 | – | 1.0 | – |
| Yes | 1051 | 13.8 | 429.0 | 14.2 | 1 | 0.9–1.2 | 1.0 | 0.9–1.1 | |
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.