Table 3.

Odds of exposure to chemotherapy, as estimated by structure and process variables , n= 185*

	OR (95% CI)
	Adjusted for
	Nurse Characteristics	Nurse Characteristics and Nursing Workload	Nurse Characteristics, Nursing Workload, and Chemotherapy Verification	Nurse Characteristics
Model	I	IV	VI	VII
Favourable Practice environment	0.49(0.24,1.00)	0.44(0.21,0.92)	0.45(0.21,0.95)	-
Model	II
Nursing Workload	1.07(1.02,1.12)	-	-	1.06(0.99,1.12)
Model	III	V
Chemotherapy Verification	0.22(0.08,0.62)	0.21(0.07,0.61)	-	0.17(0.05,0.59)
Revised PES-NWI Subscales
-Nurse Participation in Practice Affairs (favourable versus unfavourable)				0.51(0.24,1.06)
-Staffing and Resource Adequacy (favourable versus unfavourable)				0.35(0.17,0.73)

OR = Odds Ratio; 95% CI = 95 percent confidence interval; PES-NWI = Practice Environment Scale of the Nursing Work Index.

Note: All models adjusted for clustering of nurses within practices using a generalized model function.