|
Characteristics of study groups |
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| Characteristics |
Cases |
Referents |
|
|
||
| Gender, n (%) |
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| Female |
15 (83%) |
17 (85%) |
| Male |
3 (17%) |
3 (15%) |
| Age, years, mean (min-max) |
43.0 (25.5–53.4) |
43.8 (28.4–55.2) |
| Body mass index, kg/m2, mean (min-max) |
24.6 (30.7–19.3) |
23.6 (34.6–19.5) |
| Smoking, n (%) |
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| Never smoking |
8 (44%) |
12 (60%) |
| Ex-smoker |
7 (39%) |
4 (20%) |
| Current smoker |
3 (17%) |
4 (20%) |
| Leisure time physical activity, n (%) |
||
| Less than 2 hours/week |
5 (28%) |
4 (20%) |
| 2–4 hours/week |
8 (44%) |
10 (50%) |
| More than 4 hours/week |
5 (28%) |
6 (20%) |
| Working conditions1, mean (SD) |
||
| Work hours/week |
37.0 (5.0) |
35.5 (3.3) |
| Computer use, hours/week |
28.6 (5.7) |
23.9 (9.3) |
| Mouse use, hours/week |
22.0 (11.1) |
18.9 (12.8) |
| Wrist extension force, mean (SD) |
||
| Maximal voluntary contraction (Newton) |
107.9 (51.5) |
110.1 (32.6) |
| Stimulation current (mA), mean (SD) |
40.1 (4.9) |
39.6 (3.1) |
| Twitch force at baseline (Newton), mean (SD) |
2.32 (1.63) |
2.27 (1.56) |
|
1Self reported, questionnaire | ||
Thomsen et al. Journal of Occupational Medicine and Toxicology 2007 2:17 doi:10.1186/1745-6673-2-17 |
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