Table S1. The total important scores of the indoor exposure factors.

Factors	18 forests			13 forests
	Total important Scores	The important sequence		Total important Scores	The important sequence
Dampness and molds	172	1		124	1
ETS	158	2		118	2
Incense burning	158	3		114	3
Open kitchen	138	4		98	4
Decoration	114	5		92	5
Cooking frequency	105	6		72	6
Pets	101	7		66	7
Air conditioner	79	8		50	9
Kitchen ventilation	78	9		60	8
Cooking fuels	44	10		33	10
Air freshener	41	11		31	11