Table 1. COMPASS analysis sample versus remaining sample characteristics.
| Baseline Characteristic | Analysis sample N=397 | Remaining sample N=805 | P-value |
|---|---|---|---|
| Demographics | |||
| Age in years (M) | 49.2 | 46.4 | 0.001 |
| Gender (% female) | 68.0 | 66.3 | 0.562 |
| Years of formal schooling (M) | 14.2 | 14.0 | 0.064 |
| Smoking history | |||
| Cigarettes per day (M) | 20.2 | 19.4 | 0.129 |
| FTND1 (M) | 5.1 | 4.9 | 0.065 |
|
| |||
| Status at 21 days | N=397 | N=621 | |
|
|
|||
| Take any varenicline (% yes) | 100.0 | 94.8 | 0.001 |
| 7-day pp smoking (respondent; % not smoking) | 64.0 | 52.2 | 0.002 |
| Nausea (ranking 0-5) (M) | 1.6 | 1.5 | 0.108 |
| Still taking varenicline (% yes) | 86.4 | 80.6 | 0.018 |
| Stopped taking varenicline | N=54 | N=114 | |
|
|
|||
| Stopped due to side effects (% yes) | 53.7 | 52.6 | 0.897 |
|
| |||
| Status at 12 weeks | N=371 | N=544 | |
|
|
|||
| Take any varenicline (% yes) | 99.5 | 97.8 | 0.043 |
| 7-day pp smoking (respondent; % not smoking) | 64.0 | 53.0 | 0.001 |
| Still taking varenicline (% yes) | 38.5 | 35.2 | 0.304 |
| Stopped taking varenicline | N=225 | N=343 | |
|
|
|||
| Stopped due to side effects (% yes) | 38.0 | 39.9 | 0.634 |
1
FTND=Fagerström Test of Nicotine Dependence