Table 1

Exposure to SHS in homes or workplaces among non-smokers

Characteristic	Total	SHS in homes			SHS in workplaces (among the employed)
Characteristic	Total	N	%	p Value	N	%	p Value
	116 596	96 628	21.9		43 679	24.6
Year				0.0000			0.0000
2005	16 749	13 532	29.3		6021	33.2
2006	16 922	13 758	27.4		6513	33.3
2007	16 588	13 560	25.1		6345	28.3
2008	16 892	13 959	21.8		6387	26.5
2009 (the act year)	16 245	13 709	15.0		6163	13.7
2010	16 295	13 750	20.4		6100	18.1
2011	16 905	14 360	14.6		6150	18.2
Demographic factors:
Gender				0.0000			0.0000
Female	61 898	59 620	23.5		26 753	19.9
Male	54 698	37 008	19.5		16 926	31.2
Age				0.0000			0.0000
18–24	13 975	12 455	27.7		3629	28.6
25–34	20 566	16 543	25.8		11 206	21.5
35–44	27 430	21 822	23.9		14 094	24.7
45–54	22 704	18 411	22.8		9671	26.8
55–64	13 930	11 833	17.6		3006	27.9
≥65	13 750	11 838	12.6		443	22.9
Missing	4241	3726			1630
Education				0.0000			0.0000
Elementary or below	19 863	16 981	19.1		1823	29.1
Junior high school	12 173	9053	27.9		2847	35.2
High school	36 818	28 651	26.6		13 232	28.3
Undergraduate or above	46 968	41 269	16.9		25 467	16.9
Missing	774	674			310
Employment				0.0001
Unemployed	47 987	42 520	20.8
Employed	68 577	54 083	22.9
Missing	32	25
Marital status				0.6920			0.0099
Single or widowed	36 893	30 304	21.8		13 293	23.3
Married	79 166	65 877	22.0		30 170	25.3
Missing	537	447			216
Monthly income				0.0000			0.0000
≤NT$20 000	20 805	17 297	19.2		2598	26.1
NT$20 000–NT$40 000	24 174	19 708	25.0		8672	27.1
NT$40 000–NT$60 000	19 914	16 420	23.3		9045	25.8
NT$60 000–NT$80 000	11 834	9821	21.6		6309	22.0
≥NT$80 000	6627	14 207	19.5		9802	20.0
Missing	10 717	19 175	21.9		7253	25.5