Table 1 Baseline characteristics of study population
All participants (N = 3233) | |
|---|---|
Age (year), median (IQR) | 38 (29–46) |
20–29 | 835 (25.8) |
30–39 | 904 (28.0) |
40–49 | 999 (30.9) |
50–59 | 449 (13.9) |
≥ 60 | 46 (1.4) |
Gender; female | 2348 (72.6) |
BMI (kg/m2), median (IQR) | 22 (20–24) |
Smoking statusa | |
Never smoker | 2341 (72.4) |
Ex-smoker (quit ≥ 1 year) | 243 (7.5) |
Current smoker | 189 (5.8) |
Health care professions | |
Administrative | 46 (1.4) |
Technicianb | 449 (13.9) |
Health aidsc | 999 (30.9) |
Physicians | 835 (25.8) |
Nurses | 904 (28.0) |
Work duration (month), median (IQR) | |
< 12 months | 360 (11.1) |
12 to < 60 months | 722 (22.3) |
60 to < 120 months | 279 (8.6) |
120 to < 240 months | 667 (20.6) |
240 to < 360 months | 972 (30.1) |
> 360 months | 230 (7.1) |
Comorbiditiesd | |
Hypertension | 210 (6.5) |
Diabetes mellitus | 85 (2.6) |
Findings on chest X-raye | |
No active lung lesion | 3063 (94.7) |
Previously healed TB | 42 (1.3) |
Positive results of IGRA | 780 (24.1) |