Table 6. Lung cancer cases attributable to exposure of non-smokers to ETS in UK in 2010.

	Source of exposure
							Both
	Spouse			Workplace				Independent ETS exposure		Correlated ETS exposure
Age group (years)	PAF	Obs.	Excess attributable cases	PAF	Obs.	Excess attributable cases	Obs.	Excess attributable cases	PAF (%)	Excess attributable cases	PAF (%)
Men
16–24	0.01	0	0	0.08	0	0	0	0	—	0	—
25–34	0.06	38	2	0.08	38	3	38	5	13.7	5	12.9
35–44	0.08	128	11	0.08	128	10	128	20	15.5	19	14.6
45–54	0.08	252	20	0.08	252	20	252	38	15.3	36	14.4
55–64	0.06	513	28	0.08	513	40	513	66	12.9	62	12.0
65–74	0.07	854	59	0.08	854	67	854	121	14.2	114	13.3
⩾75	0.05	1478	74	0.08	1478	115	1478	183	12.4	170	11.5
All ages		3262	195		3262	255	3262	434	—	406	—
% of total (all ages)			6.0			7.8		13.3		12.4
Women
16–24	0.01	0	0	0.09	0	0	0	0		0
25–34	0.08	42	3	0.09	42	4	42	7	16.5	7	15.6
35–44	0.10	168	16	0.09	168	15	168	30	18.0	29	17.1
45–54	0.10	320	33	0.09	320	29	320	59	18.5	56	17.6
55–64	0.10	556	54	0.09	556	51	556	100	18.0	95	17.1
65–74	0.11	822	88	0.09	822	75	822	155	18.9	148	18.0
⩾75	0.05	1649	84	0.09	1649	151	1649	227	13.8	212	12.8
All ages		3557	279		3557	325	3557	578	—	547	—
% of total (all ages)			7.8			9.1		16.3		15.4
Persons
16–24		0	0		0	0	0	0		0
25–34		80	6		80	7	80	12	15.2	6	7.3
35–44		296	27		296	25	296	50	16.9	27	9.1
45–54		572	53		572	49	572	98	17.1	53	9.3
55–64		1069	82		1069	91	1069	166	15.5	82	7.7
65–74		1676	147		1676	142	1676	276	16.5	147	8.8
⩾75		3127	158		3127	266	3127	410	13.1	158	5.0
All ages		6820	474		6820	580	6820	1013	—	952	—
% of total (all ages)			6.9			8.5		14.8		14.0

Abbreviations: ETS=environmental tobacco smoke; Obs.=observed cases; PAF=population-attributable fraction.