Table 1 Distribution of subjects according to the main characteristics
| Â | Exposed | Not exposed | Not Included | |||
|---|---|---|---|---|---|---|
Sex | n | % | n | % | n | % |
Male | 224 | 73,68 | 182 | 48,02 | 12 | 36,36 |
Female | 80 | 26,32 | 197 | 51,98 | 21 | 63,64 |
Total | 304 | 100,00 | 379 | 100,00 | 33 | 100,00 |
Missing | - | - | 4 | - | 2 | - |
| Â | Exposed | Not exposed | Not Included | |||
Age class | n | % | n | % | n | % |
up to 40 | 77 | 25,67 | 84 | 25,53 | 10 | 29,41 |
41–50 | 157 | 52,33 | 155 | 47,11 | 13 | 38,24 |
more or equal to 51 | 66 | 22,00 | 90 | 27,36 | 11 | 32,35 |
Total | 300 | 100,00 | 329 | 100,00 | 34 | 100,00 |
Missing | 4 | - | 54 | - | 1 | - |
| Â | Exposed | Not exposed | Not Included | |||
Work status | n | % | n | % | n | % |
Graduate health workers | 133 | 47,00 | 37 | 9,79 | 6 | 18,18 |
Not graduate health workers | 137 | 48,41 | 170 | 44,97 | 23 | 69,70 |
Administrative | - | 0,00 | 65 | 17,20 | - | 0,00 |
Technical | - | 0,00 | 29 | 7,67 | - | 0,00 |
Assistant | 13 | 4,59 | 77 | 20,37 | 4 | 12,12 |
Total | 283 | 100,00 | 378 | 100,00 | 33 | 100,00 |
Missing | 21 | - | 5 | - | 2 | - |