Table 6

 Predictors of quitting activity among those who maintained smoking restriction in their homes (wave 1 to wave 2)

PredictorsOR (95% CI)
Quit attempts n = 5419Quit 1 month or more n = 1261
*p<0.05; **p<0.01; ***p<0.001.
The odds ratios shown in the table have been adjusted for the following demographic variables: age, sex, education, income, minority status and country.
CI, confidence interval; OR, odds ratio.
Reported bans in homes (Wave 1)
    Total1.32 (1.11 to 1.57)**2.50 (1.50 to 4.16)***
    Partial1.09 (0.95 to 1.27)0.97 (0.59 to 1.59)
    None1.001.00
Household composition
    Living alone1.001.00
    With other smokers0.91 (0.77 to 1.09)1.10 (0.63 to 1.91)
    Mixed smokers and non-smokers0.90 (0.77 to 1.05)1.17 (0.72 to 1.92)
Youngest child in household (Wave 2)
    Infant1.10 (0.75 to 1.62)0.58 (0.19 to 1.77)
    Pre-primary0.96 (0.79 to 1.17)0.62 (0.35 to 1.09)
    Pre-teen0.92 (0.77 to 1.10)0.56 (0.32 to 0.99)*
    Teen0.97 (0.79 to 1.19)0.52 (0.27 to 0.99)*
    None1.001.00
Number of 5 closest friends1.00 (0.97 to 1.04)0.94 (0.84 to 1.05)
Believe ETS causes lung cancer
    Yes1.23 (1.06 to 1.42)**0.89 (0.56 to 1.42)
    No1.001.00
Social denormalisation
    Index1.13 (1.02 to 1.26)*0.83 (0.62 to 1.12)
Reported bans in bars
    Been—total bans1.02 (0.78 to 1.34)0.61 (0.27 to 1.36)
    Been—partial/none1.001.00
    Not been last 6 months0.97 (0.84 to 1.12)1.04 (0.67 to 1.63)
Reported bans in restaurants
    Been—total bans1.00 (0.85 to 1.17)1.04 (0.66 to 1.65)
    Been—partial/none1.001.00
    Not been last 6 months0.87 (0.69 to 1.09)0.88 (0.39 to 1.98)
Reported bans in workplace
    Total bans0.86 (0.74 to 1.01)0.98 (0.62 to 1.55)
    Partial/none1.001.00
    Not employed outside of homes0.89 (0.75 to 1.06)0.76 (0.45 to 1.28)
Attitudes to bans in public places2.23 (1.82 to 2.73)***1.23 (0.68 to 2.21)
Nagelkerke R20.0950.106