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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 5.

Comparison of White Non-Menthol versus African American+White Menthol (NMvsM): Longitudinal Models of Biochemically-confirmed 7-Day Point-Prevalence Abstinence Rates at Weeks 4, 8, and 26 (N=1439)

Model Model Effects p-value Odds Ratio
(95% Confidence Interval)		 Model-Based Estimated Probability of Abstinence
(95% Confidence Interval)
NMvsM1 Cessation Treatment
Non-Menthol Menthol Placebo Active
1 NMvsM1 .0005 0.72 (0.60,0.87) .45
(.42, .48)		 .37
(.34, .40)
 - -
Time <.0001 -
NMvsM × Time .6065 -
2 NMvsM .0003 0.71 (0.59, 0.86) .38
(.34, .42)		 .31
(.27, .35)		 .27
(.21, .33)		 .43
(.41, .45)
Time <.0001 -
Treatment <.0001 2.06 (1.52, 2.79)
3 NMvsM .0236 0.80 (0.66, 0.97) .37
(.33, .41)		 .33
(.28, .37)		 .27
(.22, .34)		 .43
(.41, .46)
Time <.0001 -
Treatment <.0001 2.01 (1.48, 2.73)
Education .0002 -
FTND2 <.0001 -
Living with Smoker3 .0340 -
Friends Smoking4 .0110 -
1

White Non-Menthol versus African American+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.