Dependent variable: susceptibility, 1=Susceptible, 0=Non-susceptible | n=970 | AOR | 95% CI | p Value | |
---|---|---|---|---|---|
Lower | Upper | ||||
Block 1 | |||||
Close friends smoking | |||||
Most do not smoke | 814 | 1.00 | 0.948 | ||
Majority smoke | 47 | 1.12 | 0.57 | 2.20 | 0.744 |
Do not know/not stated | 109 | 1.00 | 0.64 | 1.59 | 0.985 |
Sibling smoking | |||||
No siblings smoke | 810 | 1.00 | <0.001 | ||
Any siblings smoke | 132 | 2.22 | 1.48 | 3.32 | <0.001 |
Do not know/not stated | 28 | 2.23 | 1.02 | 4.88 | 0.044 |
Parental smoking | |||||
Neither parent smokes | 550 | 1.00 | 0.010 | ||
Either parent smokes | 362 | 2.05 | 1.15 | 3.67 | 0.015 |
Not sure/not stated/no mum/dad | 58 | 1.46 | 1.06 | 2.01 | 0.019 |
Block 2 | |||||
Gender | |||||
Male | 501 | 1.00 | |||
Female | 469 | 0.88 | 0.66 | 1.18 | 0.384 |
Socio-economic group | |||||
ABC1 | 447 | 1.00 | |||
C2DE | 523 | 0.85 | 0.63 | 1.14 | 0.270 |
Age | 970 | 1.05 | 0.96 | 1.15 | 0.305 |
Block 3 | |||||
Packaging receptivity to Silk Cut Superslims | |||||
Not receptive | 912 | 1.00 | |||
Receptive | 58 | 4.42 | 2.50 | 7.81 | <0.001 |
Model summary at each block | Test of model coefficients | Nagelkerke R | |||
χ2 | df | p Value | |||
Block 1 | 27.947 | 6 | <0.001 | 0.041 | |
Block 2 | 4.824 | 3 | 0.185 | 0.048 | |
Block 3 | 26.640 | 1 | <0.001 | 0.085 | |
Final model | 59.411 | 10 | <0.001 | 0.085 |
AOR, adjusted OR.
Nine hundred and seventy cases analysed, 55 cases with missing values. Cases correctly classified=72.7%. Ninety-six per cent of non-susceptible never smokers and 13.1% of susceptible never smokers were correctly classified.