Table 3.
Factors associated with postexposure latent TB infection
| Variables | Crude risk ratio (95% CI) | P value | Adjusted risk ratio (95% CI)* | P value | |
|---|---|---|---|---|---|
| Number of TB exposure episodes | 0-2 | 1 | .012 | 1 | .091 |
| >2 | 2.78 (1.22-6.35) | 2.24 (0.88-5.72) | |||
| Clinical discipline | Surgery | 1 | 1 | ||
| Other medical subspecialties and psychiatry | 2774205 (1138155-6762005) | <.05 | 3079876 (1216970-7794473) | <.05 | |
| Internal medicine | 4853584 (2998281-7856928) | <.05 | 3772144 (1867964-7617423) | <.05 | |
CI, confidence interval; TB, tuberculosis
⁎
Adjusted for age, ethnicity, nationality, sex, and occupation.