Table 1.
Personal information, educational status, and duration of work exposure of miners and control subjects
| 1) Personal information of miners and control subjects | |||
| Parameters | Miners (n = 150) | Control (n = 83) | P values |
| Age (yr)* | 43.67 ± 7.86 | 44.15 ± 5.72 | NS |
| Height (cm)* | 164 ± 7.03 | 164.81 ± 7.07 | NS |
| Weight (kg)* | 66.28 ± 11.59 | 67.31 ± 10.78 | NS |
| BMI (kg/m2)* | 24.30 ± 3.77 | 24.78 ± 3.68 | NS |
| Smokers | 42 (28) | 26 (31) | NS |
| Tobacco chewers | 34 (23) | 21 (25) | NS |
| 2) Educational status of the subjects: | |||
| Education | Miners (n = 150) | Control (n = 83) | |
| Illiterate | 16 (10.66) | 4 (4.81) | |
| Primary | 47 (31.33) | 2 (2.40) | |
| Secondary | 46 (30.66) | 28 (33.73) | |
| University | 41 (27.33) | 49 (59.03) | |
| 3) Number of subjects according to work exposure | |||
| Duration (yrs) | Miners (n = 150) | Control (n = 83) | |
| 0–10 | 20 (13.33) | 5 (6.02) | |
| 11–20 | 74 (49.33) | 53 (63.85) | |
| 21–30 | 43 (28.66) | 21 (25.30) | |
| > 30 | 13 (8.66) | 4 (4.81) | |
*
X ± SD; figures in parentheses are in percentage; NS: nonsignificant