Table 3.

Odds of past 30-day conventional cigarette smoking of middle and high school students age 12 to 17 years old in relation to individual and state-level predictors, including unlagged e-cigarette MLSA laws—National Youth Tobacco Survey, 2009–2014

	OR (95% CI)	p-value	AOR (95% CI)	p-value
State-level variables
Mandatory legal sales age for e-cigarettesa	0.84 (0.71–0.98)	0.0246	0.84 (0.70–1.01)	0.0650
Medical marijuana legal			0.82 (0.70–0.96)	0.0136
% state population (youth and adults) covered by 100% smoke-free workplace laws			0.76 (0.63–0.92)	0.0054
% state population (youth and adults) covered by 100% smoke-free bar laws			1.24 (1.03–1.48)	0.0212
Per-pack average state cigarette tax (per 10¢)b,d			1.00 (0.91–1.07)	0.7303
Median household income per $1000)c,d			0.99 (0.98–1.00)	0.0684
Unemployment ratec			1.02 (0.98–1.06)	0.3946
Individual-level variables
30-day e-cigarette use			8.25 (6.97–9.75)	<.0001
30-day other tobacco use			19.35 (17.63–21.24)	<.0001
Male (Female=referent)			0.75 (0.69–0.81)	<.0001
Race
White			Referent
Hispanic			1.11 (1.00–1.22)	0.0534
Non-Hispanic black			0.52 (0.44–0.62)	<.0001
Non-Hispanic other			0.96 (0.84–1.10)	0.5688
Agef			1.35 (1.31–1.39)	<.0001
Year survey conductedg	0.89 (0.86–0.92)	<.0001	0.81 (0.78–0.84)	<.0001

Note: All analyses adjusted by NYTS weights and stratification variables. Abbreviations: AOR= adjusted odds ratio; CI=confidence interval; OR=odds ratio

^aUnlagged; smokefree laws passed between January and June of a given year (NYTS data collection period) were counted as in effect for that year.

^bFrom Tax Burden of Tobacco 2014 (in 2014 cents).

^cObtained from 2014 5-year estimates from American Community Survey (U.S. Census Bureau).

^dIn 2014 dollars.

^eIncludes all tobacco products other than cigarettes or e-cigarettes that were measured in all years of NYTS data collection during 2009–2014: smokeless tobacco (chew, dip, snuff), cigars/cigarillos/little cigars, pipes, and bidis.

^fCentered at age 12.

^gCentered at 2009.