TABLE 3—

Logistic Regression Models Examining Variables Associated With Quit Attempts and 1-Year Abstinence Among 407 Adult Smokers: Wisconsin Tobacco Survey, 2003, and Wisconsin Behavioral Health Survey, 2004

	Models Predicting Quit Attempts					Models Predicting 1-Year Abstinence
	Model 1, OR (95% CI)	Model 2, OR (95% CI)	Model 3, OR (95% CI)	Model 4, OR (95% CI)	Model 5, OR (95% CI)	Model 1, OR (95% CI)	Model 2, OR (95% CI)	Model 3, OR (95% CI)	Model 4, OR (95% CI)	Model 5, OR (95% CI)
Ad recall
KTQ Ads	1.03 (0.63, 1.68)	2.65 (0.79, 8.93)	1.97 (0.33, 11.80)	1.00 (0.61, 1.63)	0.99 (0.60, 1.62)	0.55 (0.26, 1.15)	0.75 (0.15, 3.82)	0.36 (0.03, 4.80)	0.49 (0.22, 1.05)	0.48 (0.22, 1.04)
SHS Ads	1.27 (0.76, 2.13)	1.25 (0.74, 2.10)	1.24 (0.74, 2.10)	1.16 (0.30, 4.43)	0.27 (0.02, 4.83)	1.28 (0.60, 2.73)	1.30 (0.60, 2.84)	1.32 (0.61, 2.89)	2.07 (0.33, 12.94)	3.54 (0.14, 87.00)
Demographic characteristics
Age	0.98* (0.96, 1.00)	0.98* (0.96, 1.00)	0.98* (0.96, 1.00)	0.98 (0.96, 1.00)	0.98 (0.96, 1.00)	1.00 (0.97, 1.02)	0.99 (0.96, 1.02)	0.99 (0.97, 1.02)	1.00 (0.97, 1.03)	1.00 (0.97, 1.03)
Non-Hispanic White race/ethnicity	0.56 (0.27, 1.18)	0.55 (0.26, 1.16)	0.45 (0.15, 1.41)	0.55 (0.26, 1.16)	0.14 (0.01, 1.74)	0.69 (0.24, 1.99)	0.68 (0.23, 2.00)	0.49 (0.12, 1.94)	0.63 (0.21, 1.84)	1.02 (0.07, 14.37)
Married or living as married	0.73 (0.43, 1.23)	0.69 (0.40, 1.18)	0.69 (0.40, 1.18)	0.73 (0.43, 1.25)	0.71 (0.41, 1.22)	1.25 (0.57, 2.78)	1.25 (0.55, 2.83)	1.25 (0.55, 2.83)	1.28 (0.56, 2.92)	1.29 (0.57, 2.94)
At least 1 child lives in household	0.92 (0.55, 1.55)	0.96 (0.56, 1.63)	0.97 (0.57, 1.65)	0.96 (0.57, 1.62)	0.99 (0.58, 1.68)	0.41* (0.19, 0.91)	0.41* (0.18, 0.92)	0.42* (0.19, 0.95)	0.43* (0.19, 0.97)	0.42* (0.19, 0.95)
Education
High school diploma or less	0.64 (0.33, 1.25)	1.06 (0.47, 2.40)	0.06 (0.47, 2.41)	0.67 (0.23, 1.95)	0.71 (0.24, 2.15)	0.41 (0.17, 1.00)	0.47 (0.16, 1.33)	0.46 (0.16, 1.32)	0.97 (0.22, 4.33)	0.94 (0.21, 4.24)
Some college	0.74 (0.37, 1.46)	1.00 (0.42, 2.35)	1.01 (0.43, 2.38)	0.72 (0.22, 2.38)	0.80 (0.24, 2.73)	1.08 (0.44, 2.62)	0.95 (0.32, 2.86)	0.97 (0.32, 2.91)	1.96 (0.41, 9.48)	1.86 (0.38, 9.13)
College degree	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00
Household income, $
Not reported	2.72 (0.84, 8.75)	3.01 (0.71, 12.79)	3.03 (0.71, 12.89)	1.68 (0.29, 9.58)	1.65 (0.29, 9.37)	5.02* (1.21, 20.84)	7.31* (1.41, 37.98)	7.40* (1.43, 38.40)	3.27 (0.38, 28.37)	3.25 (0.37, 28.28)
<25000	1.30 (0.66, 2.54)	1.09 (0.47, 2.51)	1.07 (0.46, 2.48)	0.62 (0.19, 1.96)	0.49 (0.14, 1.72)	0.71 (0.27, 1.86)	0.80 (0.25, 2.58)	0.75 (0.23, 2.47)	0.33 (0.05, 2.07)	0.36 (0.06, 2.39)
25000–49999	1.14 (0.63, 2.06)	1.24 (0.60, 2.56)	1.24 (0.60, 2.58)	1.18 (0.62, 2.24)	1.17 (0.62, 2.22)	0.67 (0.29, 1.57)	0.68 (0.25, 1.89)	0.69 (0.25, 1.90)	0.64 (0.26, 1.59)	0.64 (0.26, 1.59)
≥ 50000	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00
Predictors of cessation
Fagerström test of nicotine dependence	0.91 (0.82, 1.01)	0.91 (0.82, 1.01)	0.91 (0.82, 1.00)	0.91 (0.82, 1.01)	0.91 (0.82, 1.01)	0.89 (0.76, 1.05)	0.89 (0.76, 1.05)	0.89 (0.76, 1.05)	0.87 (0.74, 1.03)	0.87 (0.74, 1.03)
Intend to quit smoking in <6 mo, >30 d	2.83*** (1.63, 4.89)	2.84*** (1.63, 4.96)	2.83*** (1.62, 4.95)	2.89*** (1.66, 5.03)	2.81*** (1.61, 4.91)	3.00* (1.17, 7.71)	3.06* (1.18, 7.96)	3.01* (1.16, 7.85)	2.99* (1.15, 7.76)	3.04* (1.17, 7.93)
Intend to quit smoking in ≤ 30 d	6.56*** (3.39, 12.71)	6.90*** (3.51, 13.55)	6.90*** (3.51, 13.55)	7.07*** (3.61, 13.85)	6.96*** (3.55, 13.68)	7.66*** (2.74, 21.39)	7.44*** (2.66, 20.86)	7.39*** (2.64, 20.71)	8.05*** (2.83, 22.92)	8.23*** (2.87, 23.61)
No. of previous quit attempts	1.10** (1.04, 1.18)	1.10** (1.03, 1.18)	1.10** (1.03, 1.18)	1.10** (1.03, 1.17)	1.10** (1.03, 1.18)	1.06 (0.97, 1.17)	1.06 (0.97, 1.17)	1.06 (0.96, 1.17)	1.06 (0.96, 1.17)	1.06 (0.96, 1.17)
Doctor advised to quit in past year	1.53 (0.94, 2.48)	1.53 (0.94, 2.51)	1.53 (0.94, 2.50)	1.55 (0.94, 2.54)	1.54 (0.94, 2.52)	0.94 (0.46, 1.91)	0.90 (0.44, 1.85)	0.88 (0.43, 1.83)	0.95 (0.46, 1.98)	0.94 (0.45, 1.96)
Smoking prohibited in all areas of home	1.97* (1.14, 3.38)	2.14** (1.22, 3.75)	2.13** (1.22, 3.74)	1.93* (1.11, 3.34)	1.94* (1.12, 3.37)	4.58*** (2.10, 9.98)	4.49*** (2.03, 9.92)	4.37*** (1.97, 9.72)	4.59*** (2.07, 10.17)	4.63*** (2.09, 10.28)
Average hours of daily media use	1.03 (0.93, 1.15)	1.03 (0.93, 1.14)	1.03 (0.93, 1.14)	1.03 (0.93, 1.15)	1.04 (0.93, 1.15)	1.25** (1.09, 1.43)	1.25** (1.09, 1.44)	1.25** (1.09, 1.44)	1.26** (1.10, 1.44)	1.26** (1.10, 1.44)
KTQ ad recall interactions
Recall × High school degree or less		0.22* (0.05, 0.94)	0.22* (0.05, 0.94)				0.58 (0.08, 4.29)	0.62 (0.08, 4.63)
Recall × Some college education		0.42 (0.09, 1.89)	0.41 (0.09, 1.87)				1.28 (0.18, 9.14)	1.25 (0.17, 8.96)
Recall × Income not reported		0.82 (0.06, 11.06)	0.82 (0.06, 11.06)				0.18 (0.00, 6.60)	0.17 (0.00, 6.10)
Recall × <$25000 income		1.67 (0.45, 6.21)	1.67 (0.45, 6.21)				0.74 (0.12, 4.68)	0.81 (0.13, 5.26)
Recall × $25000–49999 income		0.78 (0.22, 2.82)	0.78 (0.22, 2.82)				0.85 (0.13, 5.61)	0.87 (0.13, 5.78)
Recall × Non-Hispanic White			1.39 (0.32, 6.10)					2.22 (0.25, 19.63)
SHS ad recall interactions
Recall × High school degree or less				0.94 (0.25, 3.55)	0.89 (0.23, 3.41)				0.26 (0.04, 1.65)	0.27 (0.04, 1.68)
Recall × Some college education				1.00 (0.23, 4.23)	0.89 (0.21, 3.86)				0.38 (0.06, 2.51)	0.40 (0.06, 2.72)
Recall × Income not reported				1.93 (0.17, 22.06)	1.92 (0.17, 21.78)				1.94 (0.10, 38.45)	2.01 (0.10, 40.01)
Recall × <$25000 income				2.33 (0.52, 10.50)	2.88 (0.60, 13.89)				2.94 (0.30, 29.19)	2.63 (0.26, 27.25)
Recall × $25000–49999 income				0.82 (0.30, 2.25)	0.81 (0.30, 2.23)				1.08 (0.26, 4.48)	1.08 (0.26, 4.49)
Recall × Non-Hispanic White					4.68 (0.33, 66.46)					0.56 (0.03, 9.93)
Generalized R2	0.181	0.193	0.193	0.187	0.190	0.230	0.236	0.238	0.240	0.240

Notes. OR = odds ratio; CI = confidence interval; KTQ = keep trying to quit; SHS = secondhand smoke. Female gender was not associated with subsequent-year quit attempts in bivariate models (P > .25) and was thus excluded as a covariate.

*P < .05; **P < .01; ***P < .001.