Table 2

Logistic regression analysis of predictors of completed illegal cigarette sales by retail clerks to minors comparing non-smokers following a standard compliance check protocol to smoker's behaving naturally

Variable OR 95% CI p Value
Standard protocol1.0
Smoker protocol5.71.5 to 22.0< 0.02
Clerk ⩾ age 21 years1.0
Clerk < age 21 years7.62.4 to 24.0< 0.001
ID not requested1.0
ID requested0.0030 to 0.016< 0.001
  • OR, odds ratio; CI, confidence interval