Table 3
Multivariate analysis: final model variables with odds ratios (OR) and 95% confidence intervals (CI)
| Unadjusted odds ratios (OR) | Adjusted odds ratios (OR) | |||||
|---|---|---|---|---|---|---|
| Variable | No | % clustering | OR | 95% CI | OR | 95% CI |
| BA=black African; BC=black Caribbean; ISC=Indian subcontinent. | ||||||
| *Information not known following record review. | ||||||
| Age | ||||||
| 0–19 | 150 | 33.3 | 2.49 | 1.59 to 3.89 | 2.65 | 1.59 to 4.44 |
| 20–34 | 831 | 24.2 | 1.54 | 1.11 to 2.14 | 1.51 | 1.02 to 2.22 |
| 35–59 | 648 | 23.6 | 1.59 | 1.14 to 2.24 | 1.43 | 0.97 to 2.11 |
| 60+ | 335 | 16.7 | 1.00 | Reference | 1.00 | Reference |
| Sex | ||||||
| Male | 1169 | 24.5 | 1.00 | Reference | 1.00 | Reference |
| Female | 827 | 21 | 0.82 | 0.66 to 1.01 | 0.88 | 0.69 to 1.12 |
| Unknown* | 50 | 14 | 0.50 | 0.22 to 1.12 | 0.46 | 0.10 to 2.15 |
| Ethnic group | ||||||
| White | 274 | 37.2 | 1.00 | Reference | 1.00 | Reference |
| ISC | 340 | 13.2 | 0.26 | 0.17 to 0.38 | 0.34 | 0.22 to 0.52 |
| BC | 48 | 54.2 | 1.99 | 1.07 to 3.70 | 2.19 | 1.15 to 4.16 |
| BA | 409 | 33.5 | 0.85 | 0.62 to 1.17 | 1.02 | 0.68 to 1.53 |
| Black other | 24 | 29.2 | 0.69 | 0.28 to 1.73 | 0.76 | 0.30 to 1.96 |
| Other | 156 | 19.9 | 0.42 | 0.26 to 0.66 | 0.52 | 0.31 to 0.86 |
| Unknown* | 328 | 23.8 | 0.53 | 0.37 to 0.75 | 0.62 | 0.41 to 0.92 |
| Birth in UK | ||||||
| UK born | 221 | 40.3 | 2.12 | 1.56 to 2.88 | 1.55 | 1.04 to 2.03 |
| Not-UK born | 928 | 24.1 | 1.00 | Reference | 1.00 | Reference |
| Unknown* | 431 | 26.4 | 1.13 | 0.87 to 1.47 | 1.17 | 0.87 to 1.57 |
| Other factors | ||||||
| Alcohol dependence | 94 | 48.9 | 2.78 | 1.82 to 4.23 | 2.33 | 1.46 to 3.72 |
| Streptomycin resistant | 115 | 32.2 | 1.66 | 1.11 to 2.49 | 1.82 | 1.15 to 2.88 |
