Table 3.

Univariate and Full Discrete-Time Survival Models

	Univariate Models				Full Model
	Beta	s.e.	t-test	p	beta	s.e.	t-test	p
Youth Alcohol Use Onset
Student Malea	−0.32	0.17	−1.93	.053
Parent Alcohol Use	0.09	0.05	1.70	.089
Parent Binge Drinking (sqrt)	0.35	0.15	2.28	.023	0.34	0.15	2.31	.021
Parent Marijuana Use (dichotomous)b	0.27	0.52	0.52	.602
Youth Report: Parent-Child Relationshipc	0.10	0.02	4.29	<.001	0.08	0.03	2.87	.004
Youth Report: Parental Monitoring	−0.48	0.11	−4.25	<.001	−0.35	0.12	−3.02	.003
Parent Report: Parent-Child Relationshipc	0.07	0.02	3.50	<.001	0.02	0.03	0.71	.480
Parent Report: Parental Monitoring (exp)	−0.02	0.01	−2.47	.014	−0.01	0.01	−0.72	.471
Youth Binge Drinking Onset
Student Malea	−0.33	0.21	−1.58	.113
Parent Alcohol Use	−0.01	0.06	−0.22	.826
Parent Binge Drinking	0.28	0.17	1.60	.109
Parent Marijuana Useb	1.09	0.45	2.42	.015	0.94	0.49	1.93	.054
Youth Report: Parent-Child Relationshipc	0.15	0.03	5.59	<.001	0.12	0.03	3.63	<.001
Youth Report: Parental Monitoring	−0.56	0.11	−5.11	<.001	−0.44	0.12	−3.79	<.001
Parent Report: Parent-Child Relationshipc	0.11	0.02	4.86	<.001	0.05	0.03	1.61	.107
Parent Report: Parental Monitoring	−0.03	0.01	−3.52	<.001	−0.01	0.01	−1.23	.220
Youth Marijuana Use Onset
Student Malea	−0.27	0.19	−1.42	.156
Parent Alcohol Use	0.00	0.06	0.05	.961
Parent Binge Drinking	0.34	0.16	2.10	.036	0.26	0.18	1.50	.135
Parent Marijuana Useb	0.59	0.50	1.19	.233
Youth Report: Parent-Child Relationshipc	0.11	0.02	4.65	<.001	0.08	0.03	2.77	.006
Youth Report: Parental Monitoring	−0.46	0.10	−4.64	<.001	−0.37	0.11	−3.45	.001
Parent Report: Parent-Child Relationship c	0.10	0.02	5.33	<.001	0.06	0.02	2.67	.007
Parent Report: Parental Monitoring	−0.02	0.01	−3.07	.002	−0.01	0.01	−0.91	.362

^a0 = Female, 1 = Male;

^b0 = No Marijuana Use in Last Year, 1 = Marijuana Use in Last Year;

^cHigher scores reflect poorer parent-child relationship quality.

Exp = exponential transformation. Sqrt = square root transformation.