Perception of indoor air quality (IAQ) by workers in underground shopping centers in relation to sick-building syndrome (SBS) and store type: a cross-sectional study in Korea

Table 3 Spearman correlation coefficients among indicators of indoor air quality perceived by workers in underground shopping centers (n = 314)

	Stuffy odor	Unpleasant odor	Pungent odor	Moldy odor	Tobacco smoke odor	Dry air	Humid air
Stuffy odor	1.00
Unpleasant odor	0.67***	1.00
Pungent odor	0.60***	0.71***	1.00
Moldy odor	0.42***	0.31***	0.38***	1.00
Tobacco smoke odor	0.23***	0.28***	0.29***	0.12*	1.00
Dry air	0.19***	0.13*	0.14*	0.22***	0.18**	1.00
Humid air	0.14*	0.22***	0.23***	0.15**	0.07	0.23***	1.00

*P < 0.05; **P < 0.01; ***P < 0.001
Each perceived indoor air quality was categorized into no (code = 0) and yes (code = 1)

ISSN: 1471-2458