Table 3

Prevalence odds ratios for current smoking in Massachusetts and the rest of the USA 1990 to 1999, from the Behavioral Risk Factor Surveillance System

			1991	1992	1993	1994	1995	1996	1997	1998	1999
			RR	RR	RR	RR	RR	RR	RR	RR	RR
		1990	95% CI	95% CI	95% CI	95% CI	95% CI	95% CI	95% CI	95% CI	95% CI	Ptrend§
*Multivariate odds ratios are adjusted for sex, age, race/ethnicity, and education.
†Multivariate odds ratios are adjusted for age, race/ethnicity, and education.
‡41 other states are: Alabama, Arizona, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kentucky, Louisiana, Maine, Maryland, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, New Hampshire, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin.
§p Value for test of linear trend.
Massachusetts
	Univariate	REF	0.96	0.96	0.86	0.88	0.91	0.98	0.84	0.86	0.78
			0.78–1.15	0.79–1.17	0.70–1.04	0.72–1.06	0.75–1.10	0.81–1.19	0.69–1.02	0.72–1.02	0.66–0.92	0.01
	Multivariate*	REF	0.93	1.02	0.87	0.88	0.96	1.00	0.87	0.90	0.83
			0.76–1.14	0.83–1.24	0.71–1.06	0.72–1.08	0.79–1.16	0.82–1.22	0.71–1.06	0.75–1.07	0.70–0.99	0.08
Males
	Univariate	REF	0.83	0.94	0.76	0.86	0.83	0.89	0.8	0.82	0.69
			0.62–1.11	0.71–1.25	0.57–1.01	0.65–1.14	0.62–1.09	0.67–1.18	0.59–1.08	0.64–1.06	0.54–0.89	0.03
	Multivariate†	REF	0.82	1.00	0.77	0.88	0.89	0.91	0.83	0.86	0.73
			0.61–1.11	0.74–1.34	0.57–1.04	0.65–1.18	0.67–1.19	0.67–1.22	0.61–1.13	0.66–1.11	0.56–0.94	0.09
Females
	Univariate	REF	1.06	0.98	0.96	0.89	0.99	1.08	0.87	0.89	0.87
			0.82–1.39	0.75–1.28	0.74–1.25	0.69–1.16	0.76–1.29	0.84–1.39	0.67–1.12	0.70–1.11	0.70–1.09	0.09
	Multivariate†	REF	1.03	1.03	0.97	0.89	1.03	1.09	0.91	0.94	0.95
			0.79–1.35	0.78–1.36	0.74–1.27	0.68–1.16	0.79–1.34	0.84–1.42	0.70–1.18	0.74–1.19	0.75–1.20	0.43

41 other US states‡
	Univariate	REF	0.98	0.94	0.93	0.96	0.96	1.00	0.98	0.97	0.95
			0.94–1.01	0.90–0.97	0.90–0.97	0.93–1.00	0.92–0.99	0.97–1.04	0.95–1.02	0.94–1.01	0.92–0.99	0.99
	Multivariate*	REF	0.99	0.95	0.94	0.96	0.97	1.04	1.02	1.02	1.01
			0.95–1.03	0.92–0.99	0.90–0.97	0.93–1.00	0.94–1.01	1.00–1.08	0.99–1.06	0.99–1.06	0.97–1.05	<0.001
Males
	Univariate	REF	0.99	0.95	0.93	0.95	0.99	1.02	1.02	1.01	0.98
			0.94–1.05	0.90–1.00	0.88–0.98	0.90–1.00	0.94–1.04	0.97–1.08	0.97–1.07	0.96–1.06	0.93–1.03	0.07
	Multivariate†	REF	1.00	0.96	0.94	0.95	1.00	1.06	1.05	1.04	1.03
			0.95–1.06	0.91–1.01	0.89–1.00	0.90–1.01	0.95–1.06	1.00–1.12	1.00–1.11	0.99–1.10	0.97–1.08	<0.001
Females
	Univariate	REF	0.96	0.93	0.93	0.97	0.93	0.98	0.95	0.94	0.93
			0.91–1.01	0.88–0.97	0.89–0.98	0.93–1.02	0.88–0.97	0.94–1.03	0.90–0.99	0.90–0.99	0.88–0.97	0.03
	Multivariate†	REF	0.97	0.94	0.93	0.97	0.94	1.02	1.00	1.00	0.99
			0.92–1.03	0.89–0.99	0.89–0.98	0.93–1.02	0.90–0.99	0.97–1.07	0.95–1.04	0.95–1.05	0.95–1.04	0.03