Table 1

Covariates associated with support for a nicotine reduction policy at week 6 (Support vs Oppose)

Covariate	Reference group	Week 6
		Unadjusted model		Adjusted model
		OR (95% CI)	P values	OR (95% CI)	P values
Female	Male	1.4 (0.82 to 2.40)	0.22	1.68 (0.91 to 3.08)	0.10
White	Non-white	0.9 (0.53 to 1.54)	0.71	1.23 (0.61 to 2.49)	0.56
<12 Years of education	>12 Years	1.33 (0.77 to 2.3)	0.31	1.55 (0.83 to 2.90)	0.17
Menthol flavour preference	Non-menthol	0.99 (0.58 to 1.68)	0.97	1.01 (0.51 to 2.01)	0.973
Age (5 years difference)		1.19 (1.07 to 1.33)	<0.01	1.24 (1.1 to 1.41)	<0.01
Fagerström Test for Nicotine Dependence score at week 6		1.01 (0.90 to 1.13)	0.90	0.96 (0.84 to 1.10)	0.578
Quit in 6 months—yes at week 6	No	3.97 (2.22 to 7.10)	<0.001	5.05 (2.64 to 9.67)	<0.001
Cigarette Evaluation Scale satisfaction score for study cigarettes at week 6		1.03 (0.89 to 1.18)	0.71	1.01 (0.82 to 1.24)	0.93
Perceived Health Risk Scale score for study cigarettes at week 6		1.02 (0.93 to 1.11)	0.67	0.97 (0.88 to 1.08)	0.628
Perceived nicotine content: low/very low	Moderate/High/ Very high	0.81 (0.4 to 1.63)	0.55	1.37 (0.59 to 3.15)	0.46
Perceived nicotine content: usual brand	Moderate/High/ Very high	1.27 (0.59 to 2.73)	0.54	1.97 (0.75 to 5.19)	0.17

The unadjusted and adjusted logistic regression analyses comparing Support versus Oppose for the nicotine reduction policy question assessed at week 6. The adjusted model includes all variables listed in the table.