Table 1

Characteristics of Ontario high school daily smokers by use of contraband tobacco

Contraband smokerp-Value
No (n = 90)Yes (n = 80)
Age, years; mean (SD)16.6 (1.1)16.6 (1.3)
Female (%)36.152.2
Years since started smoking, mean (SD)3.3 (2.0)3.7 (1.8)
Heaviness of Smoking Index (HSI), mean (SD) §1.2 (1.3)1.9 (1.5)**
First cigarette after waking (%)*
 Within 5 minutes818
 Within 6–30 minutes1934
 Within 31–60 minutes3122
 After 60 minutes4226
Cigarettes per day (%)
 21 or more611
 11–202126
 1–107262
Any past-year illicit drug use (%)8992
School performance (%)**
 Self-reported usual marks as “A” or “B”80%60%
 Self-reported usual marks as “C” or below20%40%
  • *p<0.05; **p<0.01.

  • Defined as smoking one or more contraband cigarettes per day in the past 12 months.

  • Variable entered simultaneously into the full logistic regression model predicting contraband smoker status, as defined in table 1.

  • § HSI scores could range from 0–5; our survey did not include a category indicative of smoking 31 or more cigarettes a day.