Welders (n=97) | Metal workers (n=125) | Office workers (n=29) | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Mean | SD | Mean | SD | Mean | SD | ||||||
Individual characteristics: | |||||||||||
Age (y) | 41.5 | 10.3 | 39.8 | 9.6 | 39.9 | 9.8 | |||||
Height (cm) | 177.6 | 7.6 | 177.9 | 7.0 | 182.6 | 7.5 | |||||
Weight (kg) | 79.2 | 11.4 | 79.3 | 10.6 | 83.0 | 10.0 | |||||
Work history: | |||||||||||
Employment in current company (y) | 13.8 | 7.9 | 13.3 | 7.8 | 9.7 | 7.0 | |||||
Total working experience (y) | 20.2 | 11.7 | 21.7 | 10.7 | 18.7 | 11.9 | |||||
Smoking history: | |||||||||||
Smokers (n, (%)) | 46 (48) | 49 (40) | 5 (17) | ||||||||
Years smoking | 23.2 | 11.8 | 22.1 | 9.6 | 35 | 5.2 | |||||
Ex-smokers (n, (%)) | 26 (27) | 30 (24) | 8 (28) | ||||||||
Years smoking | 17.4 | 7.9 | 18.5 | 9.4 | 12.3 | 5.9 |