Table 9
Low back and neck–shoulder pain and fatigue (VAS) in urban bus drivers before and after driving in drivers having recurrent low back pain (low back support vs. no support, n = 24)
Vibration positive (n = 12) Vibration negative (n = 12)
Baseline After driving Baseline After driving
Low back pain (0–100 mm)
No support
Support 14.3 ± 24.9
15.5 ± 22.4 20.6 ± 26.6
18.8 ± 19.2 25.7 ± 29.7
27.2 ± 26.7 25.3 ± 24.1
21.8 ± 23.1
Low back fatigue (0–100 mm)
No support Support 12.4 ± 20.3
7.9 ± 8.2 29.8 ± 23.2*
29.9 ± 17.4†
19.8 ± 19.6
22.3 ± 19.6 25.9 ± 26.9
30.2 ± 29.2
Neck–shoulder pain (0–100 mm)
No support Support 12.1 ± 22.6
11.6 ± 22.1 18.7 ± 26.2
24.2 ± 22.4*
24.3 ± 21.8
22.7 ± 29.1 20.9 ± 26.1
16.9 ± 21.2
Neck–shoulder fatigue (0–100 mm)
No support 13.1 ± 21.3 25.5 ± 21.0†
22.3 ± 27.2 22.4 ± 21.0
Support 10.4 ± 13.1 32.2 ± 18.0†
20.2 ± 18.4 22.3 ± 23.3
Values are expressed as mean ± S.D.
* P < 0.05.
† P < 0.01.