. Author manuscript; available in PMC: 2014 Aug 2.

Published in final edited form as: Am J Ind Med. 2004 Jul;46(1):63–70. doi: 10.1002/ajim.20034

TABLE I.

Resources Used by Trainees Before and After Training; Chemical Workers (n = 55 Workers)

Resource used	Pre%/(n)	Post%/(n)	Ratio post/pre	P-value^a
ICWUC white manual	4 (2)	33 (18)	9.0	<0.0001
Material substance data sheet	69 (38)	83 (46)	1.2	0.07
NIOSH pocket guide	11 (6)	87 (48)	8.0	<0.0001
D.O.T. emergency response guide	15 (8)	45 (26)	3.3	0.0003
NFPA guide	9 (5)	56 (31)	6.2	<0.0001
N.J. hazardous substance fact sheet	4 (2)	36 (20)	10.0	<0.0001

Contingency analysis: Likelihood ratio probability > chi-square.