|
Characteristics of the employees' sample: gender, age, and duration of daily VDT use at various workplaces (> 1 h/d) |
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| Workplace |
Gender |
Number* (n) |
Age |
Daily VDT work |
Percentage of all |
||
|
|
|
|
|
||||
| (years) |
(± sd) |
(hours) |
(± sd) |
(%) |
|||
|
|
|||||||
| Office |
Female |
306 |
38.8 |
10.8 |
5.9 |
2.1 |
28.9 |
| Male |
497 |
41.5 |
9.0 |
5.4 |
2.1 |
46.9 |
|
| Total |
803 |
40.5 |
9.5 |
5.6 |
2.1 |
75.8 |
|
| Laboratory |
Female |
65 |
37.6 |
8.9 |
4.0 |
2.2 |
6.1 |
| Male |
94 |
39.0 |
9.7 |
3.1 |
1.6 |
8.9 |
|
| Total |
159 |
38.4 |
9.4 |
3.5 |
1.9 |
15.0 |
|
| Storehouse/production |
Female |
5 |
30.6 |
5.6 |
3.5 |
1.0 |
0.5 |
| Male |
77 |
38.1 |
9.0 |
3.9 |
2.5 |
7.3 |
|
| Total |
82 |
37.6 |
9.0 |
3.9 |
2.5 |
7.7 |
|
| Miscellaneous |
Female |
5 |
28.8 |
9.4 |
3.1 |
2.0 |
0.5 |
| Male |
11 |
41.4 |
11.2 |
5.2 |
3.8 |
1.0 |
|
| Total |
16 |
37.4 |
12.0 |
4.6 |
3.5 |
1.5 |
|
| All |
Female |
381 |
38.3 |
9.9 |
5.5 |
3.2 |
35.9 |
| Male |
679 |
40.8 |
9.2 |
4.9 |
2.3 |
64.1 |
|
| Total |
1,060* |
39.9 |
9.5 |
5.1 |
2.3 |
100.0 |
|
|
* 5 subjects didn't indicate their age | |||||||
Klussmann et al. BMC Musculoskeletal Disorders 2008 9:96 doi:10.1186/1471-2474-9-96 |
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