Table 3.

Perceptions of Risk of Harm and Addiction and Desire to Quit as a Function of Experimental Condition in Study 1 and Study 2

Outcome	Study 1		P value	F	Study 2		p value	F
	Control (N = 42)	Experimental (N = 46)			Control (N = 55)	Experimental (N = 55)
Perceived personal risk of harm	2.83 (0.16)	3.46 (0.15)	.007	7.70	3.06 (0.18)	3.34 (0.18)	.26	0.25
Worry about physical consequences	2.35 (0.15)	3.30 (0.14)	.0001	21.25	2.79 (0.16)	3.09 (0.16)	.19	1.78
Chance of becoming addicted	2.32 (0.14)	2.88 (0.14)	.0005	8.84	2.54 (0.15)	2.79 (0.15)	.24	0.23
Worry of becoming addicted	1.81 (0.17)	2.57 (0.16)	.0001	10.27	2.37 (0.18)	2.32 (0.18)	.86	0.85
Perceived knowledge of harms	4.21 (0.11)	4.64 (0.11)	.008	7.74	4.04 (0.11)	4.62 (0.11)	.0003	13.75
Factual knowledge of harms	1.78 (0.19)	3.96 (0.19)	.0001	64.90	2.02 (0.19)	3.91 (0.19)	.0001	50.76
Desire to quit	2.12 (0.25)	3.04 (0.24)	.009	7.07	2.40 (0.15)	2.34 (0.15)	.80	0.06

Note. Numbers represent least square means. Number in parenthesis is the SEM. Values range from 1 to 7, the exception being factual knowledge (0–5), with higher values representing greater risk, worry, and knowledge. Numbers have been rounded.