Table 2.
Logistic regression of preban (2011) association between never-smokers’ susceptibility to smoke and noticing cigarettes openly displayed and brand awareness, controlling for smoking-related and demographic variables
| Never-smokers’ susceptibility to smoke 1=susceptible (n=282), 0=not (n=719) |
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| n | AOR* | 95% CI Lower |
95% CI Upper |
P value | |
| Any close friends smoke | |||||
| No | 697 | Ref | |||
| Yes | 304 | 2.05 | 1.48 | 2.84 | <0.001 |
| Any siblings smoke | <0.001 | ||||
| No/No siblings | 836 | Ref | |||
| Yes | 137 | 2.31 | 1.54 | 3.47 | <0.001 |
| Not sure/not stated | 28 | 2.19 | 0.99 | 4.86 | 0.053 |
| Parents smoke | 0.283 | ||||
| Neither smokes | 567 | Ref | |||
| Either | 344 | 1.14 | 0.82 | 1.59 | 0.436 |
| Not sure/not stated | 90 | 1.48 | 0.90 | 2.44 | 0.121 |
| Gender | |||||
| Male | 515 | Ref | |||
| Female | 486 | 0.93 | 0.69 | 1.24 | 0.617 |
| Age | 0.026 | ||||
| 11 | 209 | Ref | |||
| 12 vs 11 | 200 | 1.38 | 0.85 | 2.24 | 0.187 |
| 13 vs 11–12 | 199 | 1.45 | 0.98 | 2.15 | 0.061 |
| 14 vs 11–13 | 171 | 1.11 | 0.75 | 1.65 | 0.591 |
| 15 vs 11–14 | 130 | 1.19 | 0.78 | 1.82 | 0.421 |
| 16 vs 11–15 | 92 | 0.49 | 0.28 | 0.85 | 0.011 |
| Social grade | |||||
| Middle class (ABC1) | 461 | Ref | |||
| Working class (C2DE) | 540 | 0.78 | 0.58 | 1.06 | 0.112 |
| Notice openly displayed | |||||
| No or don’t know | 195 | Ref | |||
| Yes | 806 | 1.97 | 1.30 | 2.98 | 0.001 |
| Brand awareness | 1001 | 1.15 | 1.03 | 1.29 | 0.015 |
| Model χ²= 86.530, df=14, p<0.001. Hosmer and Lemeshow χ²= 10.761, df=8, p=0.216. Cases correctly classified: 74%. 24 cases excluded due to missing data on one or more independent variables. |
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*Adjusted for all other variables in the model.
AOR, adjusted OR; ref, reference category.