Table 1 Subject characteristics for enrolled subjects (n = 240)
From: Effect of nicotine 6 mg gum on urges to smoke, a randomized clinical trial
N | Average (min-max) | |
|---|---|---|
Sex | 120 male / 120 female | |
Ethnicity | 235 white, 3 black, 1 Asian | |
Age (years) | 35 (19–55) | |
Numbers of cigarettes smoked /day | 25 (21–38) | |
Number of years smoked before study start | 18 (2–41) |