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. 2011 Mar 24;13(6):457–465. doi: 10.1093/ntr/ntr025

Table 2.

Mediational Models for Past 30-Day and Lifetime Smoking

Effect Past 30-day smoking
Lifetime smoking
Coefficient SE 95% CI Coefficient SE 95% CI
Negative affect
a 0.24 0.02 0.20, 0.30 0.24 0.02 0.19, 0.28
b 0.48 0.02 0.42, 0.54 0.19 0.02 0.13, 0.28
ab 0.11 0.01 0.09, 0.14 0.05 0.01 0.03, 0.06
Risk perceptions
a −0.22 0.01 −0.29, −0.15 −0.22 0.01 −0.27, −0.16
b −0.27 0.06 −0.35, −0.20 −0.27 0.05 −0.35, −0.19
ab 0.06 0.01 0.03, 0.09 0.06 0.01 0.04, 0.08

Note. SE = standard error; CI = confidence interval. a Indicates the relationship between sensation seeking and the mediator; b indicates the relationship between the mediator and the smoking outcome; ab indicates the mediated or indirect effect.