Table 1:

Marijuana Use in Tobacco Products, 2015–2019 (N = 4857)

Past 6-Month Marijuana Use	Wave 3 Fall 2015	Wave 4 Spring 2016	Wave 5 Fall 2016	Wave 6 Spring 2017	Wave 8 Spring 2018	Wave 9 Spring 2019
	n = 4270	n = 4363	n = 4204	n = 4316	n = 4075	n = 3746
In a spliff (hand rolled cigarette with tobacco)	12.5% (535)	12.7% (555)	11.6% (489)	12.0% (519)	11.7% (478)	11.0% (411)
In a cigar/blunt	16.6% (708)	16.1% (704)	16.3% (686)	15.7% (676)	15.1% (615)	13.6% (508)
In hookah	9.1% (387)	7.3% (320)	4.7% (199)	5.1% (220)	4.1% (166)	3.8% (143)
In any e-cigarette device	11.8% (505)	10.5% (458)	9.6% (402)	10.9% (468)	19.2% (782)	23.9% (897)