TABLE 2—

Beliefs and Knowledge About Smoking Cessation Pre- and Postorientation Session: Courage to Quit; Chicago, IL; 2008–2012

Question–Knowledge Item	No.	Presession, Mean (SE)	Postsession, Mean (SE)	t	P	Effect Size d
1. There are several stop smoking medications such as nicotine replacement (patch, gum, etc.), Zyban, and Chantix that have been shown by scientific evidence to improve one’s chances of quitting smoking.	1258	5.32 (0.04)	5.94 (0.04)	12.73	< .001	0.38
2. Behavioral counseling, in a group or individual setting, has been shown by scientific evidence to improve one’s chances of quitting smoking.	1255	5.16 (0.04)	5.84 (0.04)	14.49	< .001	0.41
3. There are several alternative techniques, such as lasers, hypnosis, acupuncture, and herbs that have been shown by scientific evidence to improve one’s chances of quitting smoking.	1253	4.03 (0.05)	3.12 (0.05)	−15.39	< .001	0.43
4. Nicotine replacement products (patch, gum, lozenge, etc.) can cause cancer.	1246	2.95 (0.05)	2.09 (0.05)	−16.36	< .001	0.45
5. If I have a slip or setback, I will be judged by the program leader and participants and I will not be welcome to continue in the program.	1246	2.10 (0.05)	1.71 (0.04)	−8.12	< .001	0.23
6. Nicotine replacement products (patch, gum, lozenge, etc.) are just replacing one addiction to cigarettes with another addiction.	189	3.77 (0.05)	2.78 (0.05)	6.44	< .001	0.47
7. I cannot tolerate any weight gain at all when I quit smoking, even a few pounds.	190	4.24 (0.05)	3.67 (0.05)	4.24	< .001	0.31
8. If I gain weight when I quit smoking, I will have health risks of being overweight that are greater than the health risks of smoking.	189	3.11 (0.05)	2.60 (0.05)	3.48	< .001	0.25

Note. For items 1–5, we used data imputation, and the means and significance tests are on the basis of n = 1494. The sample size was smaller for items 6–8 because we discontinued some items during the early phase of program delivery to decrease the burden on participants.