Table 2.
Trial arm differences in baseline variables.
|
|
PE (n=109) | NF (n=114) | MI (n=102) | Significance | |
|
|
|
|
|
F(df) / χ2(df) | P |
| Females, n (%) | 33 (30.3) | 17 (14.9) | 18 (17.6) | 8.91 (2) | .01 |
| Age in years, mean (SD) | 30.5 (9.5) | 29.2 (9.6) | 29.6 (9.5) | 1.22 (2) | .54 |
| Tobacco use frequency (cigarettes per day), mean (SD) | 12.5 (7.7) | 12.0 (8.2) | 13.6 (8.6) | 2.16 (2) | .34 |
| Cannabis use frequency (times per day), mean (SD) | 2.5 (1.9) | 2.3 (2.3) | 2.3 (2.2) | 3.54 (2) | .17 |
| Age of tobacco use onset in years, mean (SD) | 16.0 (3.2) | 15.8 (2.9) | 16.0 (2.7) | 0.17 (2,322) | .84 |
| Age of cannabis use onset in years, mean (SD) | 17.1 (4.4) | 16.3 (3.4) | 16.5 (3.1) | 1.09 (2,322) | .34 |
| Prior simultaneous cessation attempt, n (%) | 32 (29.4) | 38 (33.6) | 32 (31.4) | 0.47 (2) | .79 |
| Readiness to quit tobacco, mean (SD) | 7.2 (2.4) | 7.0 (2.7) | 7.5 (2.4) | 1.42 (2) | .49 |
| Readiness to quit cannabis, mean (SD) | 5.8 (3.0) | 4.8 (3.3) | 5.1 (2.9) | 6.03 (2) | .049 |
| Readiness to quit tobacco and cannabis simultaneously, mean (SD) | 5.2 (2.8) | 4.7 (3.0) | 5.0 (2.9) | 2.40 (2) | .30 |