Table 4: Cancer cases and proportion attributable to active smoking in Alberta (2012)

Age at exposure	Age at outcome, yr		Obs.		PAR	EAC		Age at outcome, yr		Obs.		PAR	EAC		Age at outcome, yr		Obs.		PAR
	Lung							Colorectum							Kidney
Men
20-34	30-44		13		79.8	10		30-44		37		11.5	4		30-44		28		21.6
35-44	45-54		51		79.3	40		45-54		125		12.1	15		45-54		56		21.5
45-64	55-74		558		78.7	439		55-74		605		12.8	77		55-74		188		21.4
≥ 65	≥ 75		331		75.2	249		≥ 75		338		13.1	44		≥ 75		54		19.4
Total			953			739		Total		1105			141		Total		326
Women
20-34	30-44		8		76.6	6		30-44		35		10.2	4		30-44		14		18.9
35-44	45-54		76		77.1	59		45-54		108		10.9	12		45-54		28		19.5
45-64	55-74		574		76.3	438		55-74		377		11	42		55-74		81		19.1
≥ 65	≥ 75		341		67.6	231		≥ 75		326		8.6	28		≥ 75		33		13.9
Total	l		999			733		Total		846			85		Total		156
Total
20-34	30-44		21		78.4	16		30-44		72		10.9	8		30-44		42		20.3
35-44	45-54		127		78.3	99		45-54		233		11.5	27		45-54		84		20.6
45-64	55-74		1132		77.6	877		55-74		982		11.9	117		55-74		269		20.3
≥ 65	≥ 75		672		71.5	480		≥ 75		664		10.7	71		≥ 75		87		16.5
Total			1952			1472		Total		1951			223		Total		482
		Oral cavity and pharynx									Bladder
Men		Age at outcome, yr		Obs.			PAR		EAC		Age at outcome, yr		Obs.			PAR		EAC
20-34		30-44		24			51.6		12		30-44			-		-		-
35-44		45-54		62			48.8		30		45-54			16		46.9		8
45-64		55-74		153			45.4		69		55-74			147		46.4		68
≥ 65		≥ 75		34			32		11		≥ 75			117		42.3		49
Total		Total		273					123		Total			280				125
Women
20-34		30-44		12			45.9		6		30-44			-		-		-
35-44		45-54		14			45.2		6		45-54			< 5		43.8		< 5
45-64		55-74		42			42.5		18		55-74			32		42.8		14
≥ 65		≥ 75		32			28		9		≥ 75			39		33.2		13
Total		Total		100					39		Total			< 76				< 32
Total
20-34		30-44		36			49		18		30-44			-		-		-
35-44		45-54		76			47.1		36		45-54			< 21		45.4		< 13
45-64		55-74		195			44		86		55-74			179		44.7		80
≥ 65		≥ 75		66			29.8		20		≥ 75			156		37.7		59
Total		Total		373					159		Total			< 356				< 157
		Liver
Men
20-34		30-44		< 5			26.5		< 5
35-44		45-54		20			27.6		6
45-64		55-74		92			28.7		26
≥ 65		≥ 75		34			29.1		10
Total		Total		< 151					< 47
Age at exposure, yr		Age at outcome, yr		Obs.			PAR		EAC		Age at outcome, yr			Obs.		PAR		EAC
		Liver									Ovary
Women
20-34		30-44		< 5			23.9		< 5		30-44			15		3.4		1
35-44		45-54		6			25.3		2		45-54			41		3.7		2
45-64		55-74		43			25.5		11		55-74			85		3.8		3
≥ 65		≥ 75		18			20.6		4		≥ 75			48		3		1
Total		Total		< 72					< 22		Total			189				7
Total
20-34		30-44		< 5			25.2		1		30-44			15		3.4		1
35-44		45-54		26			26.4		8		45-54			41		3.7		2
45-64		55-74		135			27.1		37		55-74			85		3.8		3
≥ 65		≥ 75		52			24.7		14		≥ 75			48		3		1
Total		Total		< 218					57		Total			189				7
		Myeloid leukemia									Cervix
Men
20-34		30-44		10			10.1		1
35-44		45-54		15			11.8		2
45-64		55-74		47			13.7		6
≥ 65		≥ 75		27			16.5		4
Total		Total		99					14
Women
20-34		30-44		9			9.5		1		25-39			49		25.3		12
35-44		45-54		13			10.8		1		40-49			30		28.3		8
45-64		55-74		27			11.6		3		50-69			38		27.7		11
≥ 65		≥ 75		28			10.4		3		≥ 70			15		18.3		3
Total		Total		77					8		Total			132				34
Total
20-34		30-44		19			9.8		2		25-39			49		25.3		12
35-44		45-54		28			11.3		3		40-49			30		28.3		8
45-64		55-74		74			12.7		9		50-69			38		27.7		11
≥ 65		≥ 75		55			13.2		7		≥ 70			15		18.3		3
Total		Total		176					22		Total			132				34

Note: EAC = excess attributable cases due to exposure, Obs. = total number of observed cases per age-sex group, PAR = population attributable risk.

*Cell counts of less than 5 for observed cases were suppressed to comply with confidentiality requirements.