Smoking status | P value for overall effects of | |||||||
All students | NSNS | SNS | Experimental smokers | Current smokers | Year | Smoking status | Year×smoking status | |
Mean (SE) | Mean (SE) | Mean (SE) | Mean (SE) | Mean (SE) | ||||
Pack image ratings | ||||||||
Positive image | ||||||||
2011 | 1.94 (0.02) | 1.46 (0.02) | 1.84 (0.05) | 1.90 (0.03) | 2.56 (0.04) | <0.001 | <0.001 | 0.043 |
2013 | 1.79† (0.02) | 1.37 (0.02) | 1.81 (0.05) | 1.76 (0.04) | 2.22 (0.05) | |||
2014 | 1.69†, ‡ (0.02) | 1.34 (0.02) | 1.76 (0.05) | 1.66 (0.04) | 2.02 (0.05) | |||
2017 | 1.74† (0.02) | 1.38 (0.02) | 1.65 (0.05) | 1.72 (0.05) | 2.23 (0.05) | |||
Negative image | ||||||||
2011 | 3.77 (0.02) | 4.17 (0.03) | 3.87 (0.06) | 3.81 (0.04) | 3.23 (0.05) | 0.040 | <0.001 | 0.11 |
2013 | 3.89† (0.02) | 4.28 (0.02) | 3.93 (0.06) | 3.90 (0.05) | 3.46 (0.06) | |||
2014 | 3.92† (0.03) | 4.29 (0.03) | 3.83 (0.06) | 3.92 (0.05) | 3.65 (0.06) | |||
2017 | 3.95† (0.03) | 4.28 (0.02) | 4.11 (0.06) | 3.92 (0.05) | 3.48 (0.06) | |||
Brand characteristic ratings | ||||||||
Winfield (mainstream) | ||||||||
2011 | 11.54 (0.10) | 9.16 (0.11) | 10.65 (0.25) | 11.12 (0.17) | 15.23 (0.20) | <0.001 | <0.001 | 0.060 |
2013 | 10.83†, ‡ (0.10) | 8.50 (0.09) | 10.41 (0.24) | 10.54 (0.18) | 13.86 (0.22) | |||
2014 | 10.64†, ‡ (0.10) | 8.65 (0.10) | 10.48 (0.25) | 10.23 (0.20) | 13.20 (0.23) | |||
2017 | 10.31† (0.10) | 8.26 (0.10) | 9.61 (0.24) | 10.20 (0.22) | 13.18 (0.24) | |||
Peter Jackson (mainstream) | ||||||||
2011 | 11.68 (0.10) | 9.24 (0.11) | 10.82 (0.26) | 11.34 (0.17) | 15.30 (0.21) | <0.001 | <0.001 | 0.066 |
2013 | 11.14†, ‡ (0.10) | 8.58 (0.10) | 10.88 (0.25) | 10.82 (0.19) | 14.29 (0.23) | |||
2014 | 10.82†, ‡ (0.11) | 8.68 (0.11) | 10.51 (0.26) | 10.63 (0.21) | 13.44 (0.24) | |||
2017 | 10.42† (0.11) | 8.24 (0.10) | 9.71 (0.25) | 10.41 (0.23) | 13.33 (0.26) | |||
Benson & Hedges (premium) | ||||||||
2011 | 11.62 (0.10) | 9.42 (0.11) | 10.89 (0.26) | 11.77 (0.17) | 14.41 (0.21) | <0.001 | <0.001 | 0.064 |
2013 | 10.94†, ‡ (0.10) | 8.60 (0.10) | 10.64 (0.25) | 10.67 (0.19) | 13.88 (0.23) | |||
2014 | 10.66†, ‡ (0.11) | 8.70 (0.11) | 10.51 (0.26) | 10.47 (0.20) | 12.97 (0.24) | |||
2017 | 10.25† (0.11) | 8.25 (0.10) | 9.64 (0.25) | 10.26 (0.23) | 12.84 (0.25) | |||
Longbeach (mainstream) | ||||||||
2011 | 11.55 (0.10) | 9.19 (0.11) | 10.79 (0.26) | 11.52 (0.17) | 14.68 (0.21) | <0.001 | <0.001 | 0.161 |
2013 | 11.02†, ‡ (0.10) | 8.54 (0.09) | 10.79 (0.25) | 10.87 (0.19) | 13.86 (0.23) | |||
2014 | 10.77†, ‡(0.11) | 8.70 (0.11) | 10.62 (0.26) | 10.57 (0.20) | 13.18 (0.24) | |||
2017 | 10.40† (0.11) | 8.25 (0.10) | 9.79 (0.25) | 10.42 (0.22) | 13.14 (0.25) |
Current smoker: smoked in past month.
Positive image: range 1=least positive, 5=most positive. Negative image: range 1=least negative, 5=most negative.
Brand characteristic ratings range from 6 to 30 with higher scores indicating more positive characteristics.
* means adjusted for age, sex, education sector.
† significantly different from 2011 at p<.05.
‡ significantly different from 2017 at p<.05
NSNS, non-susceptible never smoker; SNS, susceptible non-smoker.