Table 6. Postural balance of the different occupational groups in the tandem standing position
by age 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
16.1  (3.6)
17.2  (3.3)
21.8  (6.6)
1-3, 2-3
Nursing staff
15.9  (4.1)
22.5  (2.9)
24.3  (8.5)
1-2, 1-3
Home care workers
14.7  (2.6)
22.1  (2.2)
19.2  (4.1)
1-2, 1-3
Anteroposterior velocity (mm·s-1)
 
 
 
 
Firefighters
13.8  (3.5)
13.5  (3.0)
17.7  (4.0)
1-3, 2-3
Nursing staff
13.4  (3.1)
16.3  (4.4)
17.4  (8.6)
 
Home care workers
12.1  (3.1)
13.5  (3.7)
13.6  (3.0)
 
Velocity moment (mm2·s-1)
 
 
 
 
Firefighters
59.4  (31.4)
55.2  (25.7)
85.9  (36.9)
1-3, 2-3
Nursing staff
57.5  (30.1)
79.9  (34.3)
88.3  (59.1)
 
Home care workers
38.9  (18.7)
55.2  (23.2)
62.5  (26.3)
1-2, 1-3