Table 2.

Correlations.

		1.	2.	3.	4.	5.	6.	7.	8.	9.	10.	11.	12..
1.	Average total income in a county
2.	Herfindahl–Hirschman Index	−0.174**
3.	Old-age dependency ratio	−0.100*	0.293**
4.	Population density	0.492**	−0.350**	−0.240**
5.	Number of elderly households	0.651**	−0.307**	−0.332**	0.563**
6.	Occupancy rate	0.116**	−0.027	0.016	0.159**	0.105*
7.	Registered nurse per bed	0.197**	0.039	0.007	0.094*	0.162**	0.020
8.	Nurse aides per bed	0.208**	0.004	−0.069	0.258**	0.227**	0.234**	0.271**
9.	Person-centered care	0.067	0.041	−0.003	0.019	0.100*	0.025	0.087*	0.136**
10.	Nursing skills	0.029	0.009	−0.016	−0.023	−0.051	−0.001	0.000	−0.098*	0.136**
11.	Quality control	0.080	0.014	0.032	0.030	0.107*	0.052	0.101*	0.151**	0.469**	0.149**
12.	Integrated care	0.028	0.024	0.062	0.045	0.000	0.062	0.053	0.065	0.337**	0.112**	0.290**
13.	Accreditation score	0.104*	0.034	0.035	−0.005	0.081	0.076	0.100*	0.099*	0.501**	0.416**	0.467**	0.354**

Note. *P < 0.05, **P < 0.01, ***P < 0.05.