Incident TB in the household | Crude odds ratio (95%CI) | ||
---|---|---|---|
Yes | No | ||
Index case characteristics | |||
Sex | |||
Female | 86 (12.3 %) | 611 (87.7 %) | 0.7 (0.5–1.0) |
Male | 77 (16.0 %) | 404 (84.0 %) | 1 |
Age | |||
18–27 | 96 (14.4 %) | 571 (85.6 %) | 1.0 (0.6–1.5) |
28–37 | 34 (14.2 %) | 206 (85.8 %) | 0.7 (0.4–1.4) |
38–47 | 11 (11.0 %) | 89 (89.0 %) | 0.9 (0.5–1.4) |
>48 | 22 (13.8 %) | 149 (87.1 %) | 1 |
Cough | |||
Yes | 160 (14.1 %) | 975 (85.9 %) | 1 |
No | 3 (7.0 %) | 40 (93.0 %) | 0.5 (0.1–1.5) |
Time from symptoms to treatmenta | |||
0–30 days | 50 (10.0 %) | 448 (90.0 %) | 1 |
>30 days | 113 (16.6 %) | 567 (83.4 %) | 1.8 (1.3–2.5) |
Smear positivity at diagnosisb | |||
Scanty | 1 (2.5 %) | 39 (97.5 %) | 0.2 (0.0–1.3) |
+/++ | 110 (12.7 %) | 755 (87.3 %) | 1 |
+++ | 52 (19.1 %) | 221 (80.9 %) | 1.6 (1.1–2.3) |
Treatment type | |||
Drug sensitive | 159 (13.7 %) | 1003 (86.3 %) | 0.5 (0.2–1.5) |
Multidrug resistant | 4 (25.0 %) | 12 (75.0 %) | 1 |
Household characteristics | |||
Past TB episodesc in the household | |||
Yes | 41 (19.0 %) | 175 (81.0 %) | 1.6 (1.1–2.4) |
No | 122 (12.7 %) | 840 (87.3 %) | 1 |
Recent TB episodesd in the household | |||
Yes | 23 (20.4 %) | 90 (79.7 %) | 1.7 (1.0–2.8) |
No | 140 (13.2 %) | 925 (86.9 %) | 1 |
Persons per room (median, IQR) | 2.5 (1.8–3.8) | 2 (1.5–3) | 1.1 (1.0–1.2) |