Table 3.
Results of Proportional Hazards Regression Models Relating NEQ Ratings and Withdrawal Symptoms to Risk for Smoking Relapse
| Fixed Effect | Relapse
|
|||
|---|---|---|---|---|
| Effect | SE | Effect/SE | p | |
| Covariatesa | ||||
| Female | 0.10 | 0.15 | 0.67 | .52 |
| FTND | 0.09 | 0.08 | 1.12 | .28 |
| Urge to Smokeb | ||||
| Overnight Abstinence (B1) | 0.03 | 0.04 | 0.57 | .57 |
| Change After 1 Cigarette (B2–B1) | 0.01 | 0.03 | 0.36 | .72 |
| Baseline Level | 0.01 | 0.06 | 0.17 | .86 |
| Postquit Intercept | 0.39 | 0.09 | 4.08 | .00 |
| Postquit Slope (Linear) | 0.30 | 0.12 | 2.56 | .01 |
| Postquit Slope (Quadratic) | 0.64 | 0.16 | 4.03 | .00 |
| Positive Affect Ratingb | ||||
| Overnight Abstinence (B1) | 0.09 | 0.05 | 1.63 | .10 |
| Change After 1 Cigarette (B2–B1) | 0.20 | 0.05 | 4.00 | .00 |
| PANAS Positive | ||||
| Baseline Level | 0.04 | 0.01 | 3.61 | .00 |
| Postquit Intercept | −0.08 | 0.01 | −5.56 | .00 |
| Postquit Slope (Linear) | 0.01 | 0.05 | 0.14 | .89 |
| Negative Affect Ratingb | ||||
| Overnight Abstinence (B1) | −0.13 | 0.08 | −1.54 | .12 |
| Change After 1 Cigarette (B2–B1) | 30.05 | 0.08 | 30.66 | .51 |
| PANAS Negative | ||||
| Baseline Level | −0.01 | 0.02 | −0.47 | .64 |
| Postquit Intercept | 0.07 | 0.02 | 4.50 | .00 |
| Postquit Slope (Linear) | 0.09 | 0.04 | 2.25 | .03 |
| Postquit Slope (Quadratic) | 0.01 | 0.11 | 0.12 | .91 |
a
Model estimates are not adjusted for the effects of the examined predictors.
b
Model estimates adjusted for the effects of covariates and predictor effects.