Placebo | OROS-MPH | |
---|---|---|
Characteristic | N = 40 | N = 40 |
Age | ||
mean ± SD | 38.0 ± 11.9 | 35.6 ± 11.0 |
median (range) | 38 (20 to 69) | 34 (19 to 57) |
Gender, n (%) | ||
Male | 14 (35) | 20 (50) |
Female | 26 (65) | 20 (50) |
Race, n (%) | ||
White, non-Hispanic | 38 (95) | 37 (92) |
Other* | 2 (5) | 3 (8) |
Marital Status, n (%) | ||
Never married | 8 (20) | 13 (32) |
Separated/divorced | 11 (28) | 11 (28) |
Married/living as married | 20 (50) | 14 (40) |
Widowed | 1 (2) | 0 (0) |
Level of education, n (%) | ||
High school graduate or less | 9 (22) | 12 (30) |
Some college or technical school | 24 (60) | 25 (62) |
4-year college degree or more | 7 (18) | 3 (8) |
Cigarettes per day | ||
mean ± SD | 20.8 ± 8.2 | 19.7 ± 7.4 |
median (range) | 20 (10, 45) | 20 (10, 40) |
Number of years smoked | ||
mean ± SD | 18.8 ± 10.5 | 19.0 ± 10.4 |
median (range) | 18 (3, 40) | 20 (3, 40) |
Fagerström Test for Nicotine Dependence | ||
mean ± SD | 5.8 ± 1.8 | 5.2 ± 2.2 |
median (range) | 6 (2, 10) | 6 (1, 9) |
Contemplation ladder | ||
mean ± SD | 8.5 ± 1.3 | 8.8 ± 1.4 |
median (range) | 9 (6, 10) | 9 (6, 10) |
Previous stop attempts, n (%) | ||
None | 6 (15) | 6 (15) |
1 to 2 | 17 (42) | 15 (38) |
3 to 5 | 11 (28) | 13 (32) |
6 or more | 6 (15) | 6 (15) |
Other tobacco users in the household, n (%) | ||
No | 27 (68) | 26 (65) |
Yes | 13 (32) | 14 (35) |