Table 4.

Classification of four types of spatial autocorrelation for nurses.

Year	Type	Number	Western China	Central China	Eastern China
2004	High–high	5	none	HLJ, JL	BJ, TJ, ZJ
	Low–high	3	NMG	none	HeB, JS
	Low–low	16	GX, CQ, SC, GZ, YN, XZ, SXX, GS	HeN, HuB, AH, HuN, JX	SD, FJ, GD
	High–low	6	XJ, NX, QH	SX	SH, LN
2009	High–high	4	none	JL	TJ, SH, ZJ
	Low–high	5	GS, NMG	HLJ	JS, HeB
	Low–low	12	QH, GZ, GX, SC, YN, CQ, XZ	HeN, AH, JX, HuN	FJ
	High–low	9	XJ, SXX, NX	HuB, SX	BJ, SD, GD, LN
2014	High–high	4	none	none	JS, SH, FJ, ZJ
	Low–high	7	GS, CQ	AH, JL, JX	HeB, TJ
	Low–low	11	XZ, GZ, YN, GX, SC, QH	HeN, HLJ, HuN, SX	GD
	High–low	8	NX, XJ, NMG, SXX	HuB	SD, BJ, LN