Table 3.

Hierarchical regression.

Variables	Accreditation Scores
	Model 1			Model 2			Model 3
	β	T	p	β	t	p	β	t	p
External factors
Average household income by county	0.124*	2.374	0.018	0.047	0.963	0.336	0.037	1.059	0.290
Herfindahl–Hirschman Index	0.029	0.617	0.537	−0.002	−0.042	0.966	−0.032	−1.000	0.318
Old-age dependency ratio	0.105	1.051	0.294	0.017	0.186	0.852	−0.007	−0.099	0.921
Population density	−0.054	−1.026	0.305	−0.026	−0.514	0.608	−0.043	−1.185	0.237
Number of older adult households	−0.088	−0.881	0.379	−0.033	−0.354	0.724	0.002	0.026	0.979
Organizational factors
Bed size
Medium vs small				0.251***	5.021	<0.001	0.200***	5.500	<0.001
Large vs small				0.344***	6.877	<0.001	0.226***	6.174	<0.001
Chain				0.019	0.485	0.628	0.054	1.827	0.068
Staffing
Registered nurse per bed				0.088*	2.009	0.045	0.058	1.811	0.071
Nurse aides per bed				0.105*	2.408	0.016	0.052	1.628	0.104
Occupancy rate				0.099*	2.387	0.017	0.048	1.575	0.116
Hospital based				0.268***	6.407	<0.001	0.148***	4.828	<0.001
Internal factors
Accountability							0.149***	4.953	<0.001
Deficiencies							0.175***	5.915	<0.001
Person-centered care							0.260***	7.766	<0.001
Nursing skills							0.268***	8.897	<0.001
Quality control							0.201***	6.066	<0.001
Integrated care							0.139***	4.490	<0.001
R 2	0.018			0.191			0.584
Adjusted R2	0.009			0.173			0.569
ΔR2	0.018			0.173			0.392
ΔF value	1.934			15.896***			80.649***

Note. N = 538.

*P < 0.05.

**P < 0.01.

***P < 0.001.