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

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

			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

ISSN: 1476-069X