. Author manuscript; available in PMC: 2016 Jun 1.

Published in final edited form as: Alcohol Clin Exp Res. 2015 May 2;39(6):1075–1082. doi: 10.1111/acer.12731

Table 3. Unstandardized Path Coefficients, Significant-Mediated Effects, and Confidence Intervals from Constrained Model.

Distal predictors	Predictor effects on willingness (α)	Effect of willingness on RWDD (β)	Mediated effect (αβ)	95% CI of mediated path
Positive expectancies	0.294 (0.127)^*	0.431 (0.096)^***	0.127 (0.058)^*	0.032; 0.261
Negative attitudes	−0.066 (0.023)^**		−0.029 (0.012)^*	−0.058; –0.010
Parental descriptive norms	0.033 (0.011)^**		0.014 (0.006)^*	0.004; 0.030
Peer descriptive norms	0.006 (0.012)
Parental injunctive norms	−0.290 (0.279)
Peer injunctive norms	0.179 (0.173)^**		0.207 (0.093)^*	0.059; 0.437

RWDD, riding with drinking drivers.

p < 0.05,

^**

p < 0.01,

^***

p < 0.001