Table 3.

Measures of acceleration-based and force-based vibration doses in the professional drivers at baseline, (see table 2 for the definitions of the alternative measures of vibration dose).

Measures of vibration dose	Median (quartiles)
Total driving time (hours)	12 600 (4320–26 400)
awz (ms-2 r.m.s.)	0.46 (0.35–0.53)
A(8)z (ms-2 r.m.s.)	0.27 (0.25–0.33)
Ftotal,rms (N)	28.8 (20.2–32.1)
Fd,total,peak (N)	516 (398–666)
Sed (MPa)	0.28 (0.21–0.38)
∑[awz2t] (×107 m2s-3)	1.23 (0.50–2.55)
∑[A(8)z2t] (×103 m2s-4)	0.44 (0.18–0.87)
∑[Ftotal,rms2t] (×1011 N2s)	0.40 (0.15–0.96)
∑[Ftotal,rmst] (×109 Ns)	1.69 (0.74–3.11)
∑[Fd,total,peak t1/6] (×103 N)	1.92 (1.35–2.53)
∑[Sedpeak t1/6] (MPa)	1.07 (0.74–1.43)