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Mediation model evaluating the relationship between treatment group, changes in negative affect, and smoking abstinence at end of treatment. Note. Negative affect (NA) is examined over four-time points: week −1 (intercept: pre-quit), week 0 (target quit day), week 1 (1-week post-quit), and week 4 (4 weeks post-quit). Coefficients are unstandardized. *statistically significant. Dashed lines, not statistically significant.
