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Table 3 Inter-rater agreement of the ranking of four exposures (grouped into quintiles) and level of agreement a

From: An expert-based job exposure matrix for large scale epidemiologic studies of primary hip and knee osteoarthritis: The Lower Body JEM

Exposure Weighted kappa Level of agreement
  Mean Min Max Fair (number) Moderate (number) Substantial (number)
Standing/walking 0.41 0.34 0.52 6 4 0
Kneeling/squatting 0.36 0.30 0.41 8 2 0
Total load lifted 0.49 0.34 0.63 1 8 1
Frequency of lifting loads weighing ≥20 kg 0.38 0.29 0.43 7 3 0
  1. a)Poor (below 0.0), slight (0.00-0.20), fair (0.21-0.40), moderate (0.41-0.60), substantial (0.61-0.80), almost perfect (0.81-1.00) [40].
  2. Ten pair-wise comparisons between five raters for each exposure.