Table 1 Number of subjects, percentage of males, mean and standard deviation (sd) of age by occupational category in the whole study and in subjects enrolled in the pretest-posttest study
Occupational categories# | Overall | Pretest-posttest study | ||||
|---|---|---|---|---|---|---|
Number | % Males | Age (years) mean ± sd | Number | % Males | Age (years) mean ± sd | |
4 | 1 | 100.0 | 44.0 | |||
2 | 2 | 50.0 | 41.5 ± 20.5 | |||
6 | 3 | 66.7 | 53.3 ± 12.9 | 1 | 100.0 | 68.0 |
12 | 4 | 50.0 | 46.3 ± 9.6 | |||
16 | 4 | 25.0 | 41.3 ± 8.8 | |||
19 | 4 | 100.0 | 45.3 ± 14.2 | |||
21 | 4 | 25.0 | 46.0 ± 4.2 | |||
18 | 12 | 41.7 | 38.3 ± 12.5 | 1 | 100.0 | 61.0 |
15 | 18 | 88.9 | 34.6 ± 8.4 | |||
11 | 69 | 75.4 | 40.6 ± 8.1 | 5 | 100.0 | 52.4 ± 2.5 |
3 | 84 | 48.8 | 38.2 ± 9.2 | 3 | 100.0 | 54.3 ± 3.1 |
13 | 94 | 81.9 | 36.5 ± 8.9 | 8 | 100.0 | 52.0 ± 7.2 |
14 | 128 | 72.7 | 41.0 ± 9.6 | 9 | 100.0 | 51.3 ± 4.6 |
7 | 158 | 75.3 | 40.4 ± 8.5 | 7 | 100.0 | 50.1 ± 3.5 |
1 | 160 | 74.4 | 40.8 ± 9.6 | 13 | 84.6 | 55.2 ± 3.5 |
9 | 195 | 73.3 | 40.8 ± 9.3 | 8 | 100.0 | 51.5 ± 4.8 |
23 | 195 | 68.2 | 46.3 ± 8.6 | 22 | 100.0 | 54.0 ± 4.8 |
10 | 221 | 63.8 | 40.7 ± 9.4 | 9 | 100.0 | 51.6 ± 1.7 |
20 | 252 | 47.6 | 47.4 ± 7.8 | 18 | 94.4 | 54.6 ± 4.4 |
5 | 305 | 59.0 | 43.6 ± 8.0 | 19 | 100.0 | 53.4 ± 2.0 |
17 | 546 | 80.2 | 43.0 ± 9.9 | 47 | 100.0 | 52.8 ± 4.2 |
8 | 890 | 78.5 | 42.0 ± 8.8 | 67 | 98.5 | 52.3 ± 3.5 |
22 | 2187 | 36.5 | 42.1 ± 9.2 | 93 | 96.8 | 53.0 ± 3.8 |
Total | 5536 | 57.5 | 42.3 ± 9.2 | 330 | 97.9 | 53.0 ± 4.0 |