TABLE 1.
Infectious TB case characteristics and their effect on documentation of contacts
| Infectious TB case characteristic | Records in category (% of all records*) n (%) | Records in category without documentation of contacts† (% of all records in category) n (%) | Crude OR (95% CI) | P value | Adjusted OR (95% CI)‡ | P value |
| Age, years | ||||||
| ≤33 | 583 (53) | 158 (27) | 1.00 (Reference) | –– | ||
| >33 | 520 (47) | 198 (38) | 1.65 (1.3–2.1) | 0.0001 | 1.01 (1–1.03) | 0.012 |
| Sex | ||||||
| Male | 616 (56) | 215 (35) | 1.00 (Reference) | –– | ||
| Female | 487 (44) | 141 (29) | 0.76 (0.6–0.9) | 0.0359 | 0.71 (0.5–0.9) | 0.012 |
| HIV status | ||||||
| Negative | 594 (54) | 165 (28) | 1.00 (Reference) | –– | ||
| Positive | 509 (46) | 191 (38) | 1.56 (1.2–2.0) | 0.0006 | 1.50 (1.1–2.0) | 0.003 |
| TB | ||||||
| Retreatment | 352 (32) | 138 (39) | 1.00 (Reference) | –– | ||
| New TB | 751 (68) | 218 (29) | 0.63 (0.5–0.8) | 0.0008 | 0.71 (0.5–0.9) | 0.018 |
| Smear status | ||||||
| Negative | 313 (28) | 131 (42) | 1.00 (Reference) | –– | ||
| Positive | 790 (72) | 225 (28) | 0.55 (0.4–0.7) | <0.0001 | 0.62 (0.5–0.8) | 0.001 |
*
Only complete records, n = 1103 (records with missing values excluded).
†
Total number of records without documentation of contacts, n = 356.
‡
Adjusted for all other patient characteristics (in first column).
TB = tuberculosis; OR = odds ratio; CI = confidence interval; HIV = human immunodeficiency virus.