Table 1 Demographic characteristics of the study population
Characteristics | Total n = 103 | Male n = 82 (79.6%) | Female n = 21 (20.4%) | P-value |
|---|---|---|---|---|
Age in years | Â | Â | Â | 0.05 |
19–29 | 30 (29.1%) | 28 (34.2%) | 2 (9.5%) |  |
30–39 | 45 (43.7%) | 35 (41.7%) | 10 (47.6%) |  |
40–49 | 19 (18.5%) | 11 (13.4%) | 8 (38.1%) |  |
50–59 | 7 (6.8%) | 6 (7.3%) | 1 (4.8%) |  |
60–69 | 2 (1.9%) | 2 (2.4%) | 0 (0%) |  |
Education level | Â | Â | Â | 0.25 |
Informal education | 9 (8.7%) | 9 (10.9%) | 0 (0%) | Â |
Primary level | 77 (74.8%) | 59 (71.9%) | 18 (85.7%) | Â |
Ordinary level | 17 (16.5%) | 14 (17.1%) | 3 (14.3%) | Â |
Duration of work | Â | Â | Â | 0.74 |
Less than a year | 5 (4.9%) | 4 (4.9%) | 1(4.8%) | Â |
One to five years | 34 (33%) | 25 (30.5%) | 9 (42.9%) | Â |
Five to ten years | 38 (36.9%) | 31 (37.8%) | 7 (33.3%) | Â |
More than ten years | 26 (25.2%) | 22 (26.8%) | 4 (19.1%) | Â |
Working hours per day | Â | Â | Â | 0.22 |
Less than five hours | 3 (2.9%) | 3 (3.7%) | 0 (0%) | Â |
Five to eight hours | 57 (55.3%) | 48 (58.5%) | 9 (42.9%) | Â |
More than eight hours | 43 (41.8%) | 31 (37.8%) | 12 (57.1%) | Â |
Working days per week | Â | Â | Â | 0.002 |
Less than three days | 1 (0.9%) | 0 (0%) | 1 (4.8%) | Â |
Four days | 12 (11.7%) | 4 (4.9%) | 8 (38.1%) | Â |
Five days | 14 (13.6%) | 14 (17.1%) | 0 (0) | Â |
Six days | 33 (32%) | 25 (30.5%) | 8 (38.1%) | Â |
Seven days | 43 (41.8%) | 39 (47.6%) | 4 (19.1%) | Â |
BMI (kg/m2) | Â | Â | Â | 0.003 |
Underweight | 3 (2.9%) | 3 (3.7%) | 0 (0%) | Â |
Normal | 64 (62.1%) | 57(69.5%) | 7 (33.3%) | Â |
Overweight | 26 (25.2%) | 19 (23.2%) | 7 (33.3%) | Â |
Obese | 10 (9.7%) | 3 (3.7%) | 7 (33.3%) | Â |
Previous TB history | 3 (2.91%) | 3 (2.91%) | 0 (0%) | 0.37 |
Smoking History | Â | Â | Â | Â |
Never smoked | 70 (68.0%) | 49 (61.3%) | 21 (100%) | 0.04 |
Current smokers | 22 (21.4%) | 22 (26.8%) | 0 (0%) | 0.01 |
Ex-smokers | 11(10.7%) | 11 (13.4%) | 0 (0%) | 0.04 |
Packs per year | 0.76 (SD 9.88) | 0.97 (SD 4.33) | 0 (0%) | 0.91 |