Table 4 |
|||
|
Categorisation of the cumulative life doses |
|||
|
Tertile split |
|||
|
|
|||
|
First tertile |
Second tertile |
Third tertile |
|
|
|
|||
|
Smoking (package-years) |
|||
|
Female |
<9 |
9 to 20 |
>20 |
|
Male |
<16.5 |
16.5 to 27 |
>27 |
|
Kneeling/squatting (hours/life) |
|||
|
Female |
<3,542 |
3,542 to 8,934 |
>8,934 |
|
Male |
<3,573 |
3,573 to 12,243 |
>12,243 |
|
Sitting (hours/life) |
|||
|
Female |
<16,031 |
16,031 to 33,119 |
>33,119 |
|
Male |
<15,180 |
15,180 to 34,960 |
>34,960 |
|
|
|||
|
Median split |
|||
|
|
|||
|
Low exposure |
High exposure |
||
|
|
|||
|
Lifting and carrying (tons/life) |
|||
|
Female |
<1,088 |
≥1,088 |
|
|
Male |
<2,214 |
≥2,214 |
|
|
Sports with risk for unapparent trauma (hours/life) |
|||
|
Female |
<1,440 |
≥1,440 |
|
|
Male |
<3,232 |
≥3,232 |
|
|
|
|||
|
Klussmann et al. Arthritis Research & Therapy 2010 12:R88 doi:10.1186/ar3015 |
|||
