Volume 13, Number 10—October 2007
THEME ISSUE
Global Poverty and Human Development
Dispatch
Public Transportation and Pulmonary Tuberculosis, Lima, Peru
Olivia J. Horna-Campos*
, Héctor J. Sánchez-Pérez†, Inma Sánchez*, Alfredo Bedoya‡, and Miguel Martín*
, Héctor J. Sánchez-Pérez†, Inma Sánchez*, Alfredo Bedoya‡, and Miguel Martín*
Table 2
Variables analyzed in 142 persons tested for pulmonary tuberculosis, Lima, Peru*
| Variable | AFB smear–positive, n/N (%) | AFB smear–negative, n/N (%) | Total, n/N (%) | OR (95% CI) | Positive prevalence ratio |
|---|---|---|---|---|---|
| Occupation away from home | 16/17 (94.1) | 87/125 (69.6) | 103/142 (72.5) | 6.99 (0.89–54.61) | 6.06 |
| Commuter transport by minibus | 14/16 (87.5) | 51/87 (58.6) | 65/103 (63.1) | 4.9 (1.06–23.09) | 4.09 |
| Commuting time > 1 h |
8/16 (50) |
20/87
(23) |
28/103
(27.2) |
3.35
(1.12–10.10) |
2.07 |
| History of pulmonary tuberculosis | 4/17 (23.5) | 24/125 (19.2) | 28/142 (19.7) | 1.29 (0.38–4.33) | 1.25 |
| Previous contact with tuberculosis cases (family) | 7/17 (41.2) | 40/125 (32.0) | 47/142 (33.1) | 1.49 (0.53–4.20) | 1.41 |
| Overcrowded conditions | 6/17 (35.3) | 50/125 (40) | 56/142 (39.4) | 0.818 (0.28–2.35) | 0.83 |
*AFB, acid-fast bacilli; OR, odds ratio, CI, confidence interval.
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