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. Author manuscript; available in PMC: 2015 Dec 1.
Published in final edited form as: Addiction. 2014 Jul 21;109(12):2107–2117. doi: 10.1111/add.12661

Table 6.

Comparison of African American Menthol versus White Menthol (AAMvsWM): Longitudinal Models of Biochemically-confirmed 7-Day Point-Prevalence Abstinence Rates at Weeks 4, 8, and 26 (N=625)

Model Model Effects p-value Odds Ratio
(95% Confidence Interval)		 Model-Based Estimated Probability of Abstinence
(95% Confidence Interval)
AAMvsWM1 Cessation Treatment
African
American
Menthol		 White
Menthol		 Placebo Active
1 AAMvsWM1 .0001 0.55 (0.40,0.75) .28
(.23, .33)		 .41
(.37, .45)		 - -
Time <.0001 -
AAMvsWM × Time .1773 -
2 AAMvsWM .0001 0.54 (0.39, 0.74) .22
(.16, .28)		 .34
(.28, .40)		 .20
(.13, .29)		 .36
(.32, .40)
Time <.0001 -
Treatment .0011 2.21 (1.37, 3.50)
3 AAMvsWM .0039 0.62 (0.45, 0.86) .23
(.17, .30)		 .33
(.27, .39)		 - -
Time <.0001 - - -
Treatment .0011 2.22 (1.34, 3.67) - - .20
(.14, .29)		 .36
(.32, .40)
Gender .1358 - - -
AAMvsWM × Gender .0048 - - -
Simple Effects:
AAMvsWM for Females <.0001 2.63 (1.75, 3.96) .17
(.12, .24)		 .35
(.29, .42)		 -
-		 -
-
AAMvsWM for Males .9927 1.06 (0.60, 1.66) .30
(.21, .41)		 .30
(.23, .38)		 -
-		 -
-
4 AAMvsWM .0114 0.64 (0.46, 0.90) .24
(.18, .32)		 .34
(.28, .40)		 - -
Time <.0001 - - -
Treatment .0041 2.05 (1.23, 3.42) - - .22
(.15, .32)		 .37
(.33, .41)
Gender .0907 - - -
AAMvsWM × Gender .0051 - - - - -
Education .1323 - - - - -
FTND2 .0168 - - - - -
Living with Smoker3 .5672 - - - - -
Friends Smoking4 .0692 - - - - -
Simple Effects:
AAMvsWM for Females <.0001 2.53 (1.66, 3.85) .18
(.13, .25)		 .36
(.29, .43)		 -
-		 -
-
AAMvsWM for Males .8781 0.96 (0.57, 1.62) .32
(.23, .43)		 .31
(.24, .40)		 -
-		 -
-
1

African American Menthol versus White Menthol;

2

Fagerstrom Test of Nicotine Dependence [29];

3

Other smokers present in participant’s home; used as indicator of environmental exposure to smoking;

4

Proportion of smokers in the participant’s social network: 1=none, 2=less than half, 3=about half, 4=more than half, and 5=all.