Table 4

Mixed models: associations between lifetime cumulative hand-arm vibration exposure from rock drills and pegboard score using dominant hand; coefficients represent increase of performance time in the pegboard test (seconds) per 10-fold increase in lifetime cumulative exposure (hour×ms–2)

Age (years)Coefficient95% CI
20–291 REF
30–39−0.13−3.29 to 3.03
40–494.831.74 to 7.91*
50–599.716.21 to 13.21*
60–6915.5310.93 to 20.13*
Rock drill exposure
Lifetime cumulative−0.70−1.29 to −0.11*
Constant57.3654.99 to 59.73*
  • *Significant at p≤0.05.