Table 5.

Result from growth curve model for each parent prevention communication profile.

	Lifetime alcohol			Lifetime cigarette			Lifetime chewing tobacco
	Est	SE	z-value	Est	SE	z-value	Est	SE	z-value
G1: Passive-Silent
Intercept	2.42a	0.11	21.63*	1.53a	0.10	15.83*	1.41a	0.08	18.28*
Slope	0.58a	0.07	8.57*	0.53a	0.08	6.764*	0.26a	0.05	4.78*
G2: Active-Silent
Intercept	1.78b	0.13	13.82*	1.35ab	0.13	10.45*	1.30a	0.11	12.29*
Slope	0.71a	0.14	5.22*	0.33ab	0.11	3.07*	0.18a	0.09	1.96
G3: Passive-Open
Intercept	1.76b	0.07	24.58*	1.23b	0.06	20.58*	1.24a	0.06	20.21*
Slope	0.51ab	0.06	7.98*	0.18b	0.05	3.59*	0.15a	0.04	3.45*
G4: Active-Open
Intercept	1.72b	0.12	14.87*	1.15b	0.08	14.29*	1.21a	0.08	15.45*
Slope	0.33b	0.07	4.83*	0.23b	0.06	4.08*	0.16a	0.05	3.18*

Note. Est: estimation. Parameter estimates with the same subscripted alphabet letter in each column are statistically indistinguishable at the .05 alpha level (classic-Bonferroni correction).

^*p < .05.