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 (mms-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 (mms-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 (mm2s-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