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Table 3 Group means of the absolute differences of upper arm elevations during work between the simplified and the standard reference analyses

From: Self-recordings of upper arm elevation during cleaning – comparison between analyses using a simplified reference posture and a standard reference posture

  Mean absolute difference (range)
Percentile (°)
 1st 1.8 (0.0 – 4.4)
 10th 3.8 (0.2 – 9.1)
 50th 4.2 (0.1 – 9.8)
 90th 4.2 (0.0 – 12)
 99th 4.7 (0.3 – 18)
Percentage of time
 > 30° 9.3 (0.2 – 21)
 > 60° 2.3 (0.0 – 11)
 > 90° 0.6 (0.1 – 2.9)
  1. The group mean of the absolute differences (°; Mean absolute difference) at the 1st, 10th, 50th, 90th and 99th percentiles of the angular distributions (°) and the percentage of time above 30°, 60° and 90° for the 28 subjects during work, between the simplified reference analysis and the standard reference analysis