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

60.7α

0.0

39.5α

2.2

19.8α

1.7

36.5α

0.0

7.6χ

0.7

18.4α

2.2

12.2β

0.0

2.6

30-44 (n2005 = 205; n2006 = 168)

15.4

56.5α

0.5

46.5α

3.4

29.4α

0.3

31.2α

0.5

11.7α

1.2

12.6α

1.4

8.0χ

0.0

7.0β

45-59 (n2005 = 109; n2006 = 130)

20.5

52.8α

0.4

37.0α

5.8

21.8α

1.6

28.3α

0.0

13.6α

0.9

8.4α

2.1

10.1χ

0.4

9.0α

60+ (n2005 = 55; n2006 = 68)

25.7

46.9χ

0.0

30.2α

1.6

18.7α

0.0

28.8α

0.9

15.4β

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

52.5α

0.2

33.4α

2.9

24.9α

0.8

24.1α

0.4

8.5α

0.8

8.0α

2.6

6.5

0.2

4.4α

Female (n2005 = 246; n2006 = 241)

22.1

59.3α

0.4

47.6α

4.0

21.2α

0.9

40.8α

0.2

14.8α

1.0

18.1α

0.6

13.0α

0.0

7.5α

    Planning to quit in next 6 months

Yes (n2005 = 275; n2006 = 287)

18.9

54.7α

0.0

38.8α

3.2

21.6α

0.6

34.5α

0.4

9.2α

1.4

14.0α

1.6

8.5β

0.0

6.0α

No/Can't say (n2005 = 229; n2006 = 235)

22.3

56.7α

0.6

41.3α

3.7

25.2α

1.3

28.5α

0.2

14.1α

0.3

11.0α

1.6

10.7α

0.2

5.6α

TOTAL (n2005 = 504; n2006 = 525)

20.5

55.6α

0.3

40.0α

3.4

23.2α

0.9

31.8α

0.3

11.4α

0.9

12.7α

1.6

9.5α

0.1

5.8α


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

26.8β

27.4

41.3

0.9

11.9α

59.3

50.2

45.9

28.7χ

0.7

5.4χ

12.9

11.6

1.9

4.1

30-44 (n2005 = 205; n2007 = 148)

5.8

11.9

33.6

34.2

0.2

19.9α

62.6

56.0

36.9

38.0

0.7

10.5α

8.9

8.3

0.0

5.6α

45-59 (n2005 = 109; n2007 = 109)

1.0

6.8β

25.6

22.4

0.0

20.3α

51.6

41.0

35.0

26.9

0.7

10.7β

2.6

4.2

0.0

3.5χ

60+ (n2005 = 55; n2007 = 39)

0.0

1.8

18.3

13.0

0.0

13.1β

33.2

38.3

26.7

22.0

0.0

7.5χ

5.4

8.3

0.0

3.6

    Sex

Male (n2005 = 258; n2007 = 200)

5.9

10.7

29.4

28.0

0.2

14.5α

58.1

45.1χ

39.1

29.2

0.9

8.3α

6.9

7.9

0.0

4.4β

Female (n2005 = 246; n2007 = 214)

3.6

16.8α

27.6

34.1

0.5

19.5α

54.1

52.1

36.4

32.6

0.3

9.3α

9.6

8.5

1.0

4.5χ

    Planning to quit in next 6 months

Yes (n2005 = 275; n2007 = 209)

5.9

12.9χ

27.9

35.8

0.2

18.3α

59.2

51.2

41.0

32.8

0.5

9.8α

7.6

8.0

0.3

3.7β

No/Can't say (n2005 = 229; n2007 = 205)

2.8

14.8β

29.3

26.4

0.5

15.8α

52.5

46.2

33.9

29.0

0.8

7.8α

9.0

8.4

0.8

5.1χ

TOTAL (n2005 = 504; n2007 = 414)

4.5

13.9β

28.5

31.1

0.3

17.1α

56.1

48.7α

37.8

30.9α

0.6

8.8α

8.2

8.2

0.5

4.4α


    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

Miller et al. BMC Public Health 2011 11:238   doi:10.1186/1471-2458-11-238

Open Data