Table 2

Study cohort characteristics

CovariatesSmoker (%) (n=62 960)Former smoker (%) (n=109 395)p Values
Smoking restrictions
 Household35.574.0<0.0001
 Workplace29.810.50.004
 Vehicle0.093.7<0.0001
 Public0.093.3<0.0001
Have access to GP86.794.9<0.0001
Smoking cessation aids0.00.0
 Nicotine replacement therapy (NRT) gum0.00.1<0.0001
NRT patch0.00.4<0.0001
Zyban/bupropion4.50.5<0.0001
MD counselling0.50.0<0.0001
One-to-one referral0.00.0
Referral to smoking cessation group
 Alcohol drinking (>2 drinks/day)49.17.90.03
 Depression41.735.6<0.0001
 Diabetes20.78.90.21
 Hypertension7.920.40.02
  • GP, general practitioner; MD counselling, physician counselling.