. Author manuscript; available in PMC: 2017 Jan 6.

Published in final edited form as: Psychol Addict Behav. 2013 Feb 25;27(4):1010–1018. doi: 10.1037/a0031366

Table 2.

Multiple regressions predicting alcohol outcomes from protective behavioral strategies: Study 1

	Typical Quantity			Heaviest Quantity			Typ. Frequency			Heav. Frequency

Predictor Variable	β	p	R²	β	p	R²	β	p	R²	β	p	R²
PBSS Limiting/Stopping Drinking	−.08	.201		−.05	.460		−.10	.165		−.08	.256

PBSS Manner of Drinking	−.32	.000		−.32	.000		−.09	.180		−.10	.159
PBSS Serious Harm Reduction	−.02	.733		−.02	.698		−.10	.098		−.07	.252
Total PBSS			.139			.128			.047			.035

SQ Selective Avoidance	−.10	.228		−.08	.330		−.01	.878		−.02	.835
SQ Strategies While Using Alcohol	.18	.023		.16	.054		.14	.084		.18	.027
SQ Alternatives to Drinking	−.34	.001		−.23	.001		−.24	.001		−.27	.000
Total SQ			.053			.049			.042			.052

	RAPI			B-YAACQ

Predictor Variable	β	p	ΔR²	β	p	ΔR²

Typical Quantity	.34	.011		.45	.001
Heaviest Quantity	.00	.981		−.01	.959
Typical Frequency	−.16	.517		−.13	.152
Heaviest Frequency	.09	.390		.11	.252
PBSS Limiting/Stopping Drinking	.02	.795		−.00	.981
PBSS Manner of Drinking	−.11	.107		−.18	.004
PBSS Serious Harm Reduction	−.15	.007		−.02	.765
Total PBSS^a			.037			.031

Typical Quantity	.37	.022		.49	.000
Heaviest Quantity	.05	.451		.05	.727
Typical Frequency	−.04	.475		−.12	.202
Heaviest Frequency	.06	.410		.08	.447
SQ Selective Avoidance	.13	.085		−.03	.656
SQ Strategies While Using Alcohol	−.07	.380		.02	.755
SQ Alternatives to Drinking	−.02	.863		.03	.631
Total SQ^a			.009			.001

Note. PBSS = Protective Behavioral Strategies Survey; SQ = Strategy Questionnaire; RAPI = Rutgers Alcohol Problem Index; B-YAACQ = Brief Young Adult Alcohol Consequences Questionnaire.

Reflects the change in R² when the PBS subscales were entered in a hierarchical regression in step 2 after controlling for alcohol use measures in step 1.