Table 4

Associations between menthol smoking status prior to menthol ban and postban quit attempt in Ontario, Canada, using Poisson regression with robust variance estimation stratified by sex, age group and race and daily/non-daily smoking, 2016–2018

Menthol use	RR (95% CI)
Menthol use	Female† N=516	Male† N=374	Age <30‡† N=140	Age ≥30‡ N=756	Non-white§ N=148	White§ N=748	Daily¶ N=807	Non-daily¶ N=89
No menthol	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00
Occasional	1.16 (0.91 to 1.49)	1 (0.78 to 1.29)	0.65 (0.40 to 1.08)	1.15 (0.96 to 1.38)	0.87 (0.57 to 1.34)	1.13 (0.93 to 1.36)	1.13 (0.93 to 1.37)	0.92 (0.75 to 1.14)
Daily use	1.27 (0.98 to 1.65)	1.2 (0.91 to 1.57)	0.88 (0.48 to 1.61)	1.25* (1.03 to 1.53)	1.07 (0.67 to 1.72)	1.26* (1.03 to 1.55)	1.27* (1.04 to 1.54)

*p<0.05, **p<0.01, ***p<0.001.
†Analyses controlling for age, race, education, survey source, cigarettes smoked per day, daily or non-daily smoking, use of cigars or e-cigarettes since the ban and number of days between the menthol ban and the follow-up survey.
‡Analyses controlling for age, sex, race, education, survey source, cigarettes smoked per day, daily or non-daily smoking, use of cigars or e-cigarettes since the ban and number of days between the menthol ban and the follow-up survey.
§Analyses controlling for age, sex, education, survey source, cigarettes smoked per day, daily or non-daily smoking, use of cigars or e-cigarettes since the ban and number of days between the menthol ban and the follow-up survey.
¶Analyses controlling for age, sex, race, education, survey source, cigarettes smoked per day, use of cigars or e-cigarettes since the ban and number of days between the menthol ban and the follow-up survey.
RR, relative rate.