Table 3

Association between HAV exposure and VPT: increase of VPT (dB) per 10-fold increase in exposure (hour·m/s2)

FrequencyDominant second finger (n=104)Dominant fifth finger (n=102)Non-dominant second finger (n=102)Non-dominant fifth finger (n=103)
HzUnstandardised coefficient B
(95% CI)		Unstandardised coefficient B
(95% CI)		Unstandardised coefficient B
(95% CI)		Unstandardised coefficient B
(95% CI)
81.42 (0.57 to 2.27)*1.47 (0.61 to 2.32)*0.85 (0.02 to 1.67)*0.97 (0.12 to 1.82)*
161.28 (0.53 to 2.03)*1.40 (0.57 to 2.23)*0.98 (0.08 to 1.87)*0.94 (0.06 to 1.81)*
321.11 (0.37 to 1.84)*1.14 (0.27 to 2.01)*0.99 (0.14 to 1.84)*0.53 (−0.40 to 1.46)
641.52 (0.50 to 2.55)*1.83 (0.78 to 2.88)*1.38 (0.31 to 2.45)*1.10 (−0.06 to 2.26)
1251.64 (0.59 to 2.69)*2.16 (0.72 to 3.59)*1.63 (0.35 to 2.91)*1.59 (0.08 to 3.09)*
2502.40 (1.09 to 3.61)*2.39 (0.57 to 4.21)*1.99 (0.46 to 3.51)*2.26 (0.56 to 3.96)*
5001.99 (0.56 to 3.43)*2.76 (1.03 to 4.48)*2.16 (0.42 to 3.90)*2.07 (0.36 to 3.77)*

  • All associations were age adjusted, using categories of age <60 and ages 60–69 years.

  • *P≤0.05.

  • HAV, hand–arm vibration; VPT, vibration perception threshold.