. Author manuscript; available in PMC: 2018 Jun 5.

Published in final edited form as: J Subst Abus Alcohol. 2017 Mar 23;5(1):1055.

Table 3.

Ordinary least squares regression predicting intention to use Nicotine Replacement Therapy.

	Model 1			Model 2			Model 3			Model 4			Model 5
Predictor Variables	B	SE B	β	B	SE B	β	B	SE B	β	B	SE B	β	B	SE B	β
(Step 1) Demographics
Age	0.01	0.01	0.08	0.01	0.01	0.08	0.01	0.01	0.08	0.01	0.01	0.09	0.01	0.01	0.06
Gender	0.49	0.35	0.1	0.62	0.35	0.13	0.43	0.35	0.09	0.08	0.32	0.02	0.09	0.31	0.02
(Step 2) Smoking characteristics
Fagerstrom				-0.08	0.08	-0.07	-0.06	0.08	-0.06	-0.04	0.07	-0.03	-0.04	0.07	-0.03
Attitudes Toward Smoking				-0.04^***	0.01	-0.25	-0.03^*	0.01	-0.16	-0.02	0.01	-0.12	-0.02	0.01	0.04
(Step 3) Social Norms
Friends would approve							0.29^***	0.09	0.25	0.18^*	0.08	0.15	0.13	0.08	0.11
Know someone							0.1	0.06	0.13	0.04	0.05	0.05	0.04	0.05	0.05
(Step 4) Beliefs
NRT Importance										0.31^***	0.10	0.22	0.24^*	0.10	0.17
Positive attitudes										0.14^***	0.03	0.29	0.12^***	0.03	0.25
(Step 5) Perceived Behavior Control
If I wanted, I could…													0.28^**	0.10	0.21
R²		0.02		0.09			0.17			0.34			0.38
Adjusted R²		0.01		0.07			0.14			0.31			0.34

Note: SE = standard error;

= p < .05,

^**

= p < .01,

^***

=p<.001