Table 2 Health related risky characteristics of index TB cases and household contacts
Variable | Index TB cases | Household contacts | ||
|---|---|---|---|---|
(n = 40) | (n = 174) | |||
n | (%) | n | (%) | |
Smoking status | ||||
Never smoker | 28 | (70.0) | 142 | (81.6) |
Former or current smoker | 12 | (30.0) | 32 | (18.4) |
Number of cigarettes smoked per day among former or current smokers | ||||
Mean (SD) | 3.8 | (1.0) | 2.9 | (1.9) |
Duration of smoking (years) among former or current smokers | ||||
< 20 | 6 | (50.0) | 20 | (62.5) |
≥ 20 | 6 | (50.0) | 12 | (37.5) |
Passive smoking status | ||||
No | 35 | (87.5) | 115 | (66.1) |
Yes | 5 | (12.5) | 59 | (33.9) |
Drinking status | ||||
Never drinker | 34 | (85.0) | 149 | (85.6) |
Former or current drinker | 6 | (15.0) | 25 | (14.4) |
Duration of drinking (years) among former or current drinkers | ||||
Mean (SD) | 9.6 | (3.4) | 6.3 | (6.1) |