Table 2

SHS exposure in homes and workplaces among non-smokers by gender, education level and income level, before and after 2009, during 2006–2011

Characteristic	Home SHS exposure				Workplace SHS exposure (among the employed)
	Before 2009 (2006–2008)		After 2009 (2009–2011)		Before 2009 (2006–2008)		After 2009 (2009–2011)
	n	Exposure %	n	Exposure %	n	Exposure %	n	Exposure %
Gender
Female	26 029	0.27	24 933	0.18	12 057	0.24	10 841	0.12
Male	15 248	0.22	16 886	0.15	7188	0.37	7572	0.23
Education
Undergraduate or above	17 569	0.18	18 259	0.14	11 088	0.36	11 024	0.21
High school	16 260	0.30	16 060	0.21	7162	0.37	6589	0.20
Elementary school or below	7110	0.23	7313	0.13	830	0.19	726	0.11
Monthly income
≥NT$80 000	6192	0.22	6378	0.15	4382	0.23	4255	0.14
NT$60 000–NT$80 000	4173	0.24	4465	0.18	2755	0.26	2780	0.14
NT$20 000–NT$60 000	14 939	0.27	16 828	0.19	7432	0.33	8163	0.18
≤NT$20 000	6679	0.23	8376	0.15	1012	0.33	1318	0.19
Missing	9294	0.24	5772	0.14	3664	0.28	1897	0.16