TABLE 4.

Summary of Hierarchical Regression Analysis for perceived implicit rationing of nursing care (PIRNCA) associated with outcome measures of Patient Safety Culture, Safety Culture Dimensions (Unit level), and Safety Culture Dimensions (Hospital-wide).

		B	β	t	95%CI	R	R2	ΔR2	R2adj	F	ΔF	VIF
Step	DV: Frequency of events reported
1	Work characteristics					0.313	0.098		0.050	F(11,207) = 2.047*
2	+PIRNCA	−0.029	−0.007	−0.092	−0.642–0.585	0.113	0.098	0.000	0.046	F(12,206) = 1.868*	ΔF(1,206) = 0.008	1.189
	DV: Patient Safety Grade
1	Work characteristics					0.324	0.105		0.058	F(11,207) = 2.21*
2	+PIRNCA	0.415	0.422	6.43	0.288-0.542	0.505	0.255	0.150	0.211	F(12,206) = 5.866***	ΔF(1,206) = 41.342***	1.177
Step	DV: Supervisor/manager expectations & actions promoting safety
1	Work characteristics					0.524	0.274		0.236	F(11,208) = 7.150***
2	+ PIRNCA	−1.108	−0.278	−4.507	−1.593 to −0.624	0.582	0.339	0.065	0.301	F(12,207) = 8.856***	ΔF(1,207) = 20.316***	1.195
	DV: Teamwork Within Hospital Units
1	Work characteristics					0.348	0.121		0.075	F(11,208) = 2.604**
2	+PIRNCA	−1.575	−0.377	−5.635	−2.126 to −1.024	0.488	0.238	0.117	0.194	F(12,207) = 5.386***	ΔF(1,207) = 31.751***	1.218
	DV: Feedback and Communication About Error
1	Work characteristics					0.376	0.141		0.095	F(11,204) = 3.056**
2	+ PIRNCA	−0.715	−0.217	−3.142	−1.163 to −0.266	0.426	0.181	0.040	0.133	F(13,208) = 3.746***	ΔF(1,203) = 9.875**	1.185
Step	DV: Teamwork Across Hospital Units
1	Work characteristics					0.356	0.127		0.080	F(11,204) = 2.696**
2	+ PIRNCA	−0.636	−0.178	−2.518	−1.134 to −0.138	0.392	0.153	0.026	0.103	F(12,203) = 3.064**	ΔF(1,203) = 6.339*	1.199
	DV: Hospital Handoffs & Transitions
1	Work characteristics					0.274	0.075		0.026	F(11,206) = 1.525
2	+ PIRNCA	−0.628	−0.187	−2.589	−1.105 to −0.150	0.323	0.105	0.029	0.052	F(12,205) = 1.996*	ΔF(1,205) = 6.703*	1.188

Number of Events Reported were not considered as dependent variables because of the ordinal scales of measurement. *p < 0.05. **p < 0.01. ***p < 0.001.