. Author manuscript; available in PMC: 2014 Oct 2.

Published in final edited form as: Psychol Addict Behav. 2013 Jun 17;27(3):674–686. doi: 10.1037/a0032836

Table 2.

Zero-Order Correlation Between Main Study Variables

	Age	Parent. Educ.	Accult.	S. self- control	Peer use	Cigarette (T1)	Alcohol (T1)	Marijuana (T1)	Hard (T1)	Cigarette (T2)	Alcohol (T2)	Marijuana (T2)	Hard (T2)
Age	X	−.03	−.03	.02	.08	.06	.03	.05	.006	.06	.03	.02	−.03
Parental Education	−.001	X	.39^***	−.09	.06	.07	−.04	−.005	−.05	.002	−.03	.006	.03
Accult.	−.15^**	.35^***	X	−.10^*	.14^**	.15^**	.08	.09^*	.08	.07	.19^***	.17^**	.08
Social self-control	−.002	−.09	−.11^*	X	−.33^***	−.17^**	−.18^***	−.21^***	−.17^**	−.16^**	−.17^**	−.19^***	−.18^**
Peer use	.10^*	.16^**	.17^**	−.23^***	X	.28^***	.38^***	.38^***	.19^***	.19^***	.26^***	.27^***	.24^***
Cigarette (T1)	.13^*	.03	.13^*	−.15^**	.42^***	X	.29^***	.28^***	.32^***	.25^***	.19^***	.17^**	.25^***
Alcohol (T1)	.06	.02	.10^*	−.18^**	.37^***	.31^***	X	.27^***	.21^***	.14^**	.26^***	.18^**	.16^**
Marijuana (T1)	.09	.08	.15^**	−.07	.39^***	.48^***	.35^***	X	.30^***	.24^***	.20^***	.37^***	.22^***
Hard (T1)	.06	.05	.15^**	−.03	.27^***	.37^***	.24^***	.30^***	X	.10^*	.14^**	.14^**	.35^***
Cigarette (T2)	.02	−.02	.16^**	−.10^*	.31^***	.28^***	.23^***	.13^*	.17^**	X	.34^***	.44^***	.41^***
Alcohol (T2)	.01	−.04	.08	−.15^**	.34^***	.16^**	.32^***	.18^**	.22^***	.36^***	X	.36^***	.22^***
Marijuana (T2)	.0004	−.03	.16^**	−.16^**	.31^***	.18^**	.24^***	.24^***	.21^***	.32^***	.42^***	X	.42^***
Hard (T2)	−.06	−.07	.06	−.14^**	.12^*	.11^*	.17^**	.002	.34^***	.29^***	.29^***	.44^***	X

Note. N = 1,040 for correlations between baseline variables and N = 846 for correlations involving follow-up variables; Females and males are represented above and below the diagonal, respectively; Accult. = Linguistic acculturation; T1 = Baseline, T2 = Follow-up.

p < 0.05.

^**

p < .01.

^***

p < .0001.