Table 2.
Univariable and Multiple Logistic Regression Analysis of Predictors for Rifampicin-resistant Tuberculosis
| Variable | Total, N | RR-TB cases, n (%) | Crude Odds Ratio (95% CI) | P Value | Adjusted Odds Ratio (95% CI) | P Value |
|---|---|---|---|---|---|---|
| Overall | 1535 | 170 (11.0) | … | … | … | … |
| Age, years | ||||||
| <20 | 167 | 14 (8.4) | 1.00 | … | … | … |
| 20–24 | 168 | 19 (11.3) | 1.39 (.67–2.88) | .370 | … | … |
| 25–39 | 635 | 80 (12.6) | 1.58 (.87–2.86) | .868 | … | … |
| 40–59 | 438 | 47 (10.7) | 1.31 (.70–2.46) | .393 | … | … |
| >60+ | 127 | 10 (7.9) | 0.93 (.40–2.18) | .875 | … | … |
| Sex | ||||||
| Female | 534 | 55 (10.3) | 1.00 | … | … | … |
| Male | 1001 | 115 (11.5) | 1.13 (.80–1.59) | .480 | … | … |
| HIV status | ||||||
| Negative | 965 | 122 (12.6) | 1.00 | … | 1.00 | … |
| Positive | 107 | 16 (15.0) | 1.21 (.69–2.13) | .499 | 0.90 (.47–1.72) | .756 |
| Unknown | 463 | 32 (6.9) | 0.49 (.32–0.74) | .001 | 0.59 (.37–.93) | .024 |
| Sputum AFB | ||||||
| Negative | 912 | 46 (5.0) | 1.00 | … | 1.00 | … |
| Positive | 623 | 124 (19.9) | 4.68 (3.28–6.68) | <.001 | 2.23 (1.49–3.32) | <.001 |
| TB Category | ||||||
| New cases | 1289 | 72 (5.6) | 1.00 | … | 1.00 | … |
| Retreatment cases | 234 | 98 (41.9) | 4.68 (3.28–6.68) | <.001 | 4.92 (2.31–10.45) | <.001 |
| Prior TB | ||||||
| Per 1 prior Episode |
… | … | 6.34 (4.77–8.44) | <.001 | 1.74 (.98–3.10) | <.060 |
Abbreviations: AFB, acid-fast bacilli; CI, confidence interval; HIV, human immunodeficiency virus; RR, rifampicin resistant; TB, tuberculosis.