and the significant differences between the age groups.
 |
||||||||
| Age group (years) | ||||||||
|
<39
(1)
|
40-49
(2)
|
>50
(3)
|
|
|
||||
 |
|
|||||||
| Variable / occupation |
Mean
(SD)
|
|
Mean
(SD)
|
|
Mean
(SD)
|
|
p
< 0.05
|
|
|
||||||||
| Mediolateral velocity (mm·s-1) | ||||||||
| Firefighters |
3.2
(.9)
|
|
2.9
(.8)
|
|
4.6
(2.5)
|
|
1-3,
2-3
|
|
| Nursing staff |
4.5
(2.4)
|
|
3.9
(1.2)
|
|
4.9
(1.5)
|
|
|
|
| Home care workers |
4.6
(1.4)
|
|
4.6
(1.6)
|
|
3.7
(1.1)
|
|
|
|
| Anteroposterior velocity (mm·s-1) | ||||||||
| Firefighters |
5.0
(.9)
|
|
5.5
(1.3)
|
|
6.6
(1.6)
|
|
1-3,
2-3
|
|
| Nursing staff |
5.6
(2.7)
|
|
5.6
(1.8)
|
|
7.1
(2.6)
|
|
|
|
| Home care workers |
5.4
(2.0)
|
|
5.6
(2.5)
|
|
5.6
(2.0)
|
|
|
|
| Velocity moment (mm2·s-1) | ||||||||
| Firefighters |
7.7
(3.4)
|
|
8.4
(4.6)
|
|
14.7
(9.1)
|
|
1-3,
2-3
|
|
| Nursing staff |
8.0
(5.0)
|
|
10.2
(6.4)
|
|
15.7
(8.0)
|
|
1-3
|
|
| Home care workers |
10.3
(4.0)
|
|
11.5
(6.5)
|
|
9.0
(3.6)
|
|
|
|
|
|
||||||||