Table 6 Examination of “high risk” adults (age > 15) for key risk factors (N (%))
PTST- | TSTC | TST+ | Comparison across all 3 groups | Comparison of PTST- vs TSTC + TST+ | Comparison of PTST- and TSTC vs TST+ | |
|---|---|---|---|---|---|---|
Characteristics of household | ||||||
Number of windows in house | ||||||
Mean (SD) | 3.48 (3.25) | 3.10 (2.78) | 1.93 (2.03) | < 0.0005 | 0.056 | < 0.0005 |
Number of rooms in house | ||||||
Mean (SD) | 4.26 (4.06) | 3.87 (3.23) | 2.77 (2.42) | 0.002 | 0.096 | < 0.0005 |
# People in household/room | ||||||
Mean (SD) | 8.22 (7.30) | 7.30 (5.88) | 5.99 (3.93) | 0.198 | 0.259 | 0.030 |
Characteristics of index case | ||||||
Presence of cavitary disease | ||||||
No | 12 (54.5%) | 28 (42.4%) | 155 (38.4%) | |||
Yes | 10 (45.5%) | 38 (57.6%) | 249 (61.6%) | 0.290 | 0.181 | 0.231 |
Baseline extent of disease on chest x-ray | ||||||
Normal | 3 (13.6%) | 5 (7.6%) | 13 (3.2%) | |||
Minimal | 5 (22.7%) | 7 (10.6%) | 44 (10.9%) | |||
Moderate | 7 (31.8%) | 29 (43.9%) | 145 (35.9%) | |||
Advanced | 7 (31.8%) | 25 (37.9%) | 202 (50.0%) | 0.069 | 0.085 | 0.033 |