Table 3.
Distribution of male and female workers in different categories of age, occupation and MN number per 1000 binuclear cells
| Parameters | Overall population | Exposed group | Control group | ||||
|---|---|---|---|---|---|---|---|
| Male | Female | Male | Female | Male | Female | ||
| Age categories - decades | 3 - 20 – 29 y | 1 | 7 | 1 | 4 | 0 | 3 |
| 4 - 30 – 39 y | 10 | 10 | 4 | 6 | 6 | 4 | |
| 5 - 40 – 49 y | 8 | 13 | 2 | 10 | 6 | 3 | |
| 6 - 50 – 59 y | 6 | 31 | 3 | 21 | 3 | 10 | |
| 7 - 60 – 69 y | 1 | 3 | 0 | 3 | 1 | 0 | |
| χ 2 | 9.173 | 4.351 | 8.834 | ||||
| p | 0.057 | 0.361 | 0.065 | ||||
| Occupation | Technician | 9 | 31 | 2 | 20 | 7 | 11 |
| Lab. worker | 6 | 9 | 2 | 6 | 4 | 3 | |
| Doctor | 9 | 20 | 4 | 14 | 5 | 6 | |
| Engineer | 2 | 4 | 2 | 4 | 0 | 0 | |
| χ 2 | 1.819 | 2.555 | 0.687 | ||||
| p | 0.611 | 0.465 | 0.709 | ||||
| MN categories (intervals of 10) per 1000 binuclear cells | 1 cat: 1 – 9 | 11 | 13 | 5 | 8 | 6 | 5 |
| 2 cat: 10 – 19 | 4 | 11 | 0 | 8 | 4 | 3 | |
| 3 cat: 20 – 29 | 8 | 25 | 4 | 18 | 4 | 7 | |
| 4 cat: 30 – 39 | 3 | 13 | 1 | 9 | 2 | 4 | |
| 5 cat: 40 – 49 | 0 | 2 | 0 | 1 | 0 | 1 | |
| χ 2 | 5.350 | 5.955 | 2.303 | ||||
| p | 0.253 | 0.203 | 0.680 | ||||
Lab laboratory, MN micronucleus, Cat category, Y years