Table 3.
Associations Between Characteristics and Developing Histoplasmosis Among Tunnel Workers (n = 36) in the Dominican Republic, 2015
| Characteristic | Histoplasmosis |
||||
|---|---|---|---|---|---|
| Yes | No | Unadjusted Odds Ratio | (Exact 95% CI) | Exact P Value | |
|
| |||||
| Age, ya | |||||
| 18–32 | 14 (48) | 4 (67) | 1.00 | Reference | Reference |
| 33–62 | 15 (52) | 2 (33) | 2.10 | (.3–26.65) | .72 |
| Asthma | 4 (15) | 1 (17) | 0.87 | (.06–51.28) | >.99 |
| Current cigarette smoking | 12 (41) | 3 (50) | 0.71 | (.08–6.27) | >.99 |
| Illicit drug use (noninjection) | 9 (35) | 3 (60) | 0.37 | (.03–3.81) | .56 |
| Type of work | |||||
| Shoveling/filling only | 13 (45) | 2 (33) | 1.00 | Reference | Reference |
| Transporting wheelbarrow only | 2 (7) | 3 (50) | 0.12 | (.01–1.71) | .15 |
| Shoveling/filling and transporting wheelbarrow | 10 (34) | 1 (17) | 1.51 | (.07–99.71) | >.99 |
| Supervising | 3 (10) | 0 (0) | 0.49b | (.05–∞) | >.99 |
| Other | 1 (3) | 0 (0) | 0.14b | (.01–∞) | >.99 |
| Tunnel of work | |||||
| Tunnel 1 only | 10 (34) | 0 (0) | 3.39b | (.53–∞) | .30 |
| Tunnel 2 only | 5 (17) | 2 (33) | 0.72 | (.07–10.36) | >.99 |
| Tunnels 1 and 2 | 14 (48) | 4 (67) | 1.00 | Reference | Reference |
| Cumulative days worked in tunnels (per additional day worked) | 1.04 | (.93–1.15) | .46 | ||
| Personal protective equipment use: surgical mask | |||||
| Never | 13 (48) | 3 (50) | 1.00 | Reference | Reference |
| Sometimes | 11 (41) | 3 (50) | 0.85 | (.09–7.71) | >.99 |
| Always | 3 (11) | 0 (0) | 0.8b | (.09–∞) | >.99 |
Data are presented as No. (%) unless otherwise indicated.
Abbreviation: CI, confidence interval.
a
Category boundary set at the median among all workers.
b
Median unbiased estimate.