Table 2.

Substance use before and during the COVID-19 pandemic.

		Before the COVID-19 pandemic (n=5130), n (%)	During the COVID-19 pandemic (n=3802), n (%)
Tobacco use
	Not at all	3418 (67.26)	2612 (69.32)
	Once to several times per month	366 (7.2)	232 (6.16)
	Once to several times per week	358 (7.04)	260 (6.9)
	Every day to several times per day	940 (18.5)	664 (17.62)
E-cigarette or nicotine vape use
	Not at all	4017 (79.31)	3028 (80.7)
	Once to several times per month	363 (7.17)	219 (5.84)
	Once to several times per week	352 (6.95)	269 (7.17)
	Every day to several times per day	333 (6.57)	236 (6.29)
Alcohol use
	Not at all	2140 (42.04)	1625 (43.02)
	Once to several times per month	1563 (30.71)	1051 (27.83)
	Once to several times per week	1083 (21.28)	814 (21.55)
	Every day to several times per day	304 (5.97)	287 (7.6)
Marijuana use
	Not at all	3778 (74.92)	2857 (76.15)
	Once to several times per month	460 (9.12)	313 (8.34)
	Once to several times per week	334 (6.62)	246 (6.56)
	Every day to several times per day	471 (9.34)	336 (8.96)
Illicit substance use
	Not at all	4470 (88.29)	3342 (89.26)
	Once to several times per month	225 (4.44)	136 (3.63)
	Once to several times per week	216 (4.27)	148 (3.95)
	Every day to several times per day	152 (3)	118 (3.15)