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Table 9 Small Business Exposure Index Ratings and Summary Score: Weighted Kappa Inter-Rater Reliability Statistics (N = 36 areas)

From: A hazardous substance exposure prevention rating method for intervention needs assessment and effectiveness evaluation: the Small Business Exposure Index

    95% Confidence Limits
  Percent Agreement Weighted Kappa Lower Upper
Potential/Protection Ratings     
Material potential 81% 0.67 0.45 0.89
Process potential 89% 0.86 0.72 0.998
Process Protection 89% 0.89 0.78 0.99
Human Interface Potential 83% 0.80 0.64 0.96
Human Interface Protection 86% 0.73 0.51 0.96
SBEI Summary Score 78% 0.73 0.52 0.93