Table 2.

Reliability and validity tests.

Variable	Mean	S.D.	1	2	3	4
Air pollution perception	2.562	1.009	0.690
Place attachment	3.773	0.625	0.616 ***	0.800
Residential satisfaction	3.821	0.759	0.218 ***	0.284 ***	0.075
Urban settlement intention	3.800	0.721	0.451 ***	0.437 ***	0.511 ***	0.780

Note: The numbers in bold form a diagonal, and the diagonal line demonstrates the square root of the average variance extracted (AVE) value, and below the diagonal is the correlation coefficient of each variable. *** p < 0.01 with two-tailed test.