Table 4

Main-effect ORs for final stepwise logistic regression model of 7-day PPA, week 12

Effect*OR estimate95% lower CI95% upper CI
DemographicsAge1.0101.0051.014
BMI1.0131.0041.022
Black race (vs white)0.6220.5180.748
Psychiatric characteristicsPsychotic disorder0.6050.4350.841
Use of psychiatric medications0.7890.6880.904
Smoking characteristicsFTND0.9070.8790.936
Cigarettes per day0.9680.9600.976
Contact with smoker0.8560.7640.961
Prior varenicline1.2281.0601.422
Treatment group (vs placebo)Varenicline3.8083.2604.447
Bupropion2.0591.7552.417
NRT2.1031.7932.468
Region (vs North America I)Eastern Europe0.3900.2220.686
South America0.1700.0830.348
Western Europe1.3561.1401.613
Country-level variablesGDP†0.5440.4680.631
Cigarette RIP0.6170.5280.722
MPOWER1.0311.0081.055
  • *Only the most significant effects are shown.

  • †GDP per capita per US$10 000.

  • BMI, body mass index; FTND, Fagerström Test for Nicotine Dependence; GDP, gross domestic product; NRT, nicotine replacement therapy; PPA, point prevalence abstinence; RIP, relative income price.