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. Author manuscript; available in PMC: 2019 Feb 1.

Published in final edited form as: Prev Sci. 2018 Feb;19(2):117–126. doi: 10.1007/s11121-017-0811-3

Table 1.

Hierarchial Multiple Regression of T1 Measures Predicting T2 Initiative, Effort, and Persistence

		Model 1: T2 Initiative					Model 2: T2 Effort					Model 3: T2 Peristence
		Step 1	Step 2	Step 3	Step 4	Step 5	Step 1	Step 2	Step 3	Step 4	Step 5	Step 1	Step 2	Step 3	Step 4	Step 5
Step 1	Marijuana use	−.13^**	−.13^**	−.10^*	−.09^*	−.08^*	−15^***	−.14^**	−.10^*	−.08	−.02	−.14^**	−.13^**	−.12^*	−.11^*	−.09^*
Step 2	Age		.04	.06	.06	.05		−.07	−.05	−.04	−.07		.01	.06	.06	.04
	Gender		.02	−.01	−.01	.04		.06	−.05	−.04	−.02		.04	.01	.01	.03
	Race		.10^*	.05	.05	.04		.07	−.01	−.01	.00		.11^*	.04	.04	.05
Step 3	Extroversion			.00	.00	−.07			.12^**	.13^**	.06			.08	.08	.04
	Agreeableness			.05	.04	.03			.10^*	.10^*	.05			.07	.07	.04
	Conscientiousness			29^***	29^***	.04			.41^***	.41^***	.13^**			.25^***	25^***	.06
	Openness			14^**	14^**	.02			.10^*	.10^*	.03			.06	.06	.03
	Neuroticism			−.12^**	−.12^**	−.01			.04	.02	.07			− 27^***	− 27^***	−.11^*
Step 4	Alcohol use				.03	.04				−.01	−.03				.02	.01
	Tobacco use				−.05	−.03				−.05	−.03				−.05	.−.05
Step 5	Initiative					.51^***					.03					.07
	Effort					13^***					.50^***					.03
	Persistence					.13^*					.08					43^***
Model R²		.02^**	.03^**	19^***	19^***	.45^***	.02^***	.04^**	.29^***	.30^***	.46^***	.02^**	.03^**	.26^***	.27^***.	41^***

^*

p < .05.

^**

p < .01.

^***

p < .001.

Coefficients are β weights.