. 2011 Apr 17;11:238. doi: 10.1186/1471-2458-11-238

Table 4.

Unprompted recall of health warnings by sub-group (smokers of manufactured cigarettes only)

	Notice packs (unprompted)		Gangrene		Emphysema		Mouth & Throat		Arteries		Don't let children		Cause of death		Quitting
	2005	2006	2005	2006	2005	2006	2005	2006	2005	2006	2005	2006	2005	2006	2005	2006

Age groups
15-29 years (n₂₀₀₅= 135; n₂₀₀₆= 159)	26.1	60.7^α	0.0	39.5^α	2.2	19.8^α	1.7	36.5^α	0.0	7.6^χ	0.7	18.4^α	2.2	12.2^β	0.0	2.6
30-44 (n₂₀₀₅= 205; n₂₀₀₆= 168)	15.4	56.5^α	0.5	46.5^α	3.4	29.4^α	0.3	31.2^α	0.5	11.7^α	1.2	12.6^α	1.4	8.0^χ	0.0	7.0^β
45-59 (n₂₀₀₅= 109; n₂₀₀₆= 130)	20.5	52.8^α	0.4	37.0^α	5.8	21.8^α	1.6	28.3^α	0.0	13.6^α	0.9	8.4^α	2.1	10.1^χ	0.4	9.0^α
60+ (n₂₀₀₅= 55; n₂₀₀₆= 68)	25.7	46.9^χ	0.0	30.2^α	1.6	18.7^α	0.0	28.8^α	0.9	15.4^β	0.0	7.4	0.0	5.7 ^χ	0.0	4.2
Sex				b				b				b	c	c
Male (n₂₀₀₅= 258; n₂₀₀₆= 284)	18.9	52.5^α	0.2	33.4^α	2.9	24.9^α	0.8	24.1^α	0.4	8.5^α	0.8	8.0^α	2.6	6.5	0.2	4.4^α
Female (n₂₀₀₅= 246; n₂₀₀₆= 241)	22.1	59.3^α	0.4	47.6^α	4.0	21.2^α	0.9	40.8^α	0.2	14.8^α	1.0	18.1^α	0.6	13.0^α	0.0	7.5^α
Planning to quit in next 6 months
Yes (n₂₀₀₅= 275; n₂₀₀₆= 287)	18.9	54.7^α	0.0	38.8^α	3.2	21.6^α	0.6	34.5^α	0.4	9.2^α	1.4	14.0^α	1.6	8.5^β	0.0	6.0^α
No/Can't say (n₂₀₀₅= 229; n₂₀₀₆= 235)	22.3	56.7^α	0.6	41.3^α	3.7	25.2^α	1.3	28.5^α	0.2	14.1^α	0.3	11.0^α	1.6	10.7^α	0.2	5.6^α
TOTAL (n₂₀₀₅= 504; n₂₀₀₆= 525)	20.5	55.6^α	0.3	40.0^α	3.4	23.2^α	0.9	31.8^α	0.3	11.4^α	0.9	12.7^α	1.6	9.5^α	0.1	5.8^α

	Correct recall Quitline no.		Unborn babies		Blindness		Lung cancer		Heart disease		Stroke		Addictive		Toxic

	2005	2007	2005	2007	2005	2007	2005	2007	2005	2007	2005	2007	2005	2007	2005	2007
Age groups		d		d			b						c		c
15-29 years (n₂₀₀₅= 135; n₂₀₀₇= 119)	7.2	26.8^β	27.4	41.3	0.9	11.9^α	59.3	50.2	45.9	28.7^χ	0.7	5.4^χ	12.9	11.6	1.9	4.1
30-44 (n₂₀₀₅= 205; n₂₀₀₇= 148)	5.8	11.9	33.6	34.2	0.2	19.9^α	62.6	56.0	36.9	38.0	0.7	10.5^α	8.9	8.3	0.0	5.6^α
45-59 (n₂₀₀₅= 109; n₂₀₀₇= 109)	1.0	6.8^β	25.6	22.4	0.0	20.3^α	51.6	41.0	35.0	26.9	0.7	10.7^β	2.6	4.2	0.0	3.5^χ
60+ (n₂₀₀₅= 55; n₂₀₀₇= 39)	0.0	1.8	18.3	13.0	0.0	13.1^β	33.2	38.3	26.7	22.0	0.0	7.5^χ	5.4	8.3	0.0	3.6
Sex
Male (n₂₀₀₅= 258; n₂₀₀₇= 200)	5.9	10.7	29.4	28.0	0.2	14.5^α	58.1	45.1^χ	39.1	29.2	0.9	8.3^α	6.9	7.9	0.0	4.4^β
Female (n₂₀₀₅= 246; n₂₀₀₇= 214)	3.6	16.8^α	27.6	34.1	0.5	19.5^α	54.1	52.1	36.4	32.6	0.3	9.3^α	9.6	8.5	1.0	4.5^χ
Planning to quit in next 6 months
Yes (n₂₀₀₅= 275; n₂₀₀₇= 209)	5.9	12.9^χ	27.9	35.8	0.2	18.3^α	59.2	51.2	41.0	32.8	0.5	9.8^α	7.6	8.0	0.3	3.7^β
No/Can't say (n₂₀₀₅= 229; n₂₀₀₇= 205)	2.8	14.8^β	29.3	26.4	0.5	15.8^α	52.5	46.2	33.9	29.0	0.8	7.8^α	9.0	8.4	0.8	5.1^χ
TOTAL (n₂₀₀₅= 504; n₂₀₀₇= 414)	4.5	13.9^β	28.5	31.1	0.3	17.1^α	56.1	48.7^α	37.8	30.9^α	0.6	8.8^α	8.2	8.2	0.5	4.4^α

Significant difference between years: Chi-square: α = p < 0.001; β = p < 0.01; χ = p < 0.05

Significant differences within year (between subgroups): Chi-square: a = p < 0.001; b = p < 0.01; c = p < 0.05; Chi-square for trend: d = p < 0.001