Table 7.

Results of multilevel regression equation model of sleep quality.

Variable types	Variable	Model I				Model II
		Standardized coefficients	t	p	VIF	Standardized coefficients	t	p	VIF
		Beta				Beta
Physical environment	Constant	–	11.080	0.000**	–	–	7.940	0.000**	–
	Vegetation greening	0.037	0.902	0.368	1.015	0.042	1.043	0.298	1.021
	Artistic features	−0.035	−0.855	0.393	1.006	−0.030	−0.734	0.463	1.010
	Environmental quality	0.333	7.615	0.000**	1.165	0.299	6.654	0.000**	1.248
	Design scale	0.094	2.211	0.028*	1.113	0.076	1.754	0.080	1.150
	Architectural characteristics	−0.083	−2.028	0.043*	1.013	−0.073	−1.802	0.072	1.019
	Service facilities	0.281	6.391	0.000**	1.175	0.251	5.616	0.000**	1.240
Social environment	Sense of participation					0.014	0.315	0.753	1.255
	Sense of attachment					0.053	1.135	0.257	1.341
	Sense of safety					0.105	2.271	0.024*	1.315

Dependent variable: sleep quality.

^*p < 0.05,

^**p < 0.01.