Table 3.
Summary Results for Full Model of Linear Regression of End of Treatment Cigarettes/Day Using Baseline Observation Carried Forward (n = 1,024) and Complete Case (n = 760) Analyses
| Analysis | Variable | Unstandardized B (SE) | t | p value |
|---|---|---|---|---|
| BOCF | Constant | 13.69 (2.70) | 5.07 | <.001 |
| Treatment group | −1.74 (0.37) | −4.74 | <.001 | |
| Age | −0.39 (0.16) | −2.42 | <.05 | |
| Gender | 0.57 (0.37) | 1.53 | .13 | |
| Motivation to quit | −0.52 (0.24) | −2.22 | <.05 | |
| Confidence in ability to quit | −0.66 (0.23) | −2.91 | <.01 | |
| Baseline cigarettes/day | 0.61 (0.03) | 24.70 | <.001 | |
| TTFC | 0.97 (0.41) | 2.37 | <.05 | |
| Complete case | Constant | 15.69 (3.38) | 4.64 | <.001 |
| Treatment group | −2.69 (0.46) | −5.87 | <.001 | |
| Age | −0.22 (0.20) | −1.60 | .11 | |
| Gender | 0.27 (0.46) | 0.58 | .56 | |
| Motivation to quit | −0.64 (0.30) | −2.16 | <.05 | |
| Confidence in ability to quit | −0.97 (0.28) | −3.46 | <.01 | |
| Baseline cigarettes/day | 0.46 (0.03) | 14.41 | <.001 | |
| TTFC | 1.40 (0.51) | 2.74 | <.01 |
Note. Treatment group coded as 0 = brief intervention/BI, 1 = N-O-T treatment program; gender: 0 = female, 1 = male; TTFC: 0 = after the first 30min of waking, 1 = within the first 30min of waking.