Table 1.
Descriptive data of mortality and morbidity study by job and residence categories
| Tot. |
Job category |
Residence in Gela |
|||||
|---|---|---|---|---|---|---|---|
| White collars | Blue collars | Botha | Missing | Residents | Commuters | ||
|
MORTALITY STUDY |
|
|
|
|
|
|
|
| N (%) |
5,627 |
1,178 (21) |
2,985 (53) |
1,072 (19) |
392 (7) |
2,393 (42.5) |
3,234 (57.5) |
| Person years |
178,318 |
37,092 |
93,557 |
35,247 |
12,422 |
74,201 |
104,117 |
| Age at hiring, mean (sd) |
26.3 (6) |
26.3 (5.6) |
26.1 (5.8) |
25 (3.9) |
31 (9.5) |
26.5 (6.3) |
26.1 (5.7) |
| Age at the end of follow-up, median |
58.7 |
58 |
58.2 |
60.3 |
61.7 |
58.2 |
59.1 |
| Time since first employment, median |
32.5 |
33 |
31.7 |
39.4 |
34.8 |
32 |
33.2 |
|
MORBIDITY STUDY |
|
|
|
|
|
|
|
| N (%) |
5,431 |
1,141 (21) |
3,005 (55.4) |
1,005 (18.5) |
280 (5.1) |
2,419 (44.5) |
3,012 (55.5) |
| Age at the start of follow-up, mean (sd) |
55 (10.8) |
56 (7.9) |
54 (11.7) |
56 (10.1) |
63 (9.5) |
53 (12.1) |
57 (9.4) |
| Time since first employmentb, median | 33.7 | 34.3 | 32.6 | 40.6 | 37.4 | 32.6 | 34.9 |
a workers who were both blue collar and white collar.
b period from hiring to 01.01.2004.