Table 1.
Mediational models of Brief Symptom Index (BSI), acute stress reactivity, and smoking outcomes
| Variable | Cigarettes/day | Stress-triggered smoking | Boredom-triggered smoking | Cue-triggered smoking |
| Acute stress reactivitya | b = 0.07 (0.03) | b = 0.05 (0.02) | b = 0.01 (0.03) | b = 0.0001 (0.02) |
| β = .27 | β = .31 | β = .06 | β = .001 | |
| p < .040 | p < .009 | P < .753 | p < .982 | |
| BSIb total effect | b = 1.07 (0.62) | b = 0.92 (0.42) | b =1.38 (0.42) | b = 1.26 (0.37) |
| β = .21 | β = .31 | β = .47 | β = .48 | |
| p <.090 | p < .002 | p < .002 | p < .002 | |
| BSI direct effect | b = 1.05 (0.80) | b = 0.63 (0.39) | b = 1.26 (0.38) | b = 1.13 (0.30) |
| β = .20 | β = .21 | β = .43 | β = .45 | |
| p < .193 | p < .121 | p < .002 | p < .002 | |
| BSI indirect effectc | b = 0.02 (0.3) | b = 0.29 (0.20) | b = 0.12(0.30) | b = 0.13 (0.17) |
| β = .003 | β = .10 | β = .04 | β = .05 | |
| p > .05 | p < .05c | p > .05 | p > .05 |
Notes: SEs in parentheses. Significant effects in bold.
a
Pre-stimulus–adjusted change scores;
b
Brief Symptom Index, 18-item version;
c
mediation analyses based on bootstrapped 95% confidence intervals.