Table 4.

Correlation between noise exposure levels and psychological scores (Pearson’s r)

Index	Overall noise level		High-noise exposure level		Low-noise exposure level
	r	P	r	P	r	P
SAS score	0.682	<0.001	0.718	<0.001	0.594	<0.001
SDS score	0.659	<0.001	0.796	<0.001	0.609	<0.001