Table 2

Distribution of time-weighted exposures by assessment method

TypeAssessment methodExposureScaleMinQ1Median*Q3Max
Force intensityObservedObserver peak Borg0–100.001.223.004.0010.00
O*NETDynamic strength0–70.001.632.002.253.00
O*NETStatic strength0–70.002.132.713.253.88
HAL repetition rateObservedObserver HAL0–100.003.504.506.0010.00
O*NETTime spent making repetitive motions0–51.793.663.944.164.87
O*NETTime spent using your hands to handle, control, or feel objects1–51.703.984.454.744.96
Forceful exertionsObserved% forceful exertions0–1000.003.3416.3836.96100.00
ObservedRepetitions/minute forceful exertionsContinuous0.000.673.8110.2395.72
O*NETHandling and moving objects0–70.154.635.425.616.42
  • *Higher scores indicate higher exposure level.

  • HAL, hand activity level; O*NET, Occupational Network.