of using smokeless tobacco, chew, or snus; and 17% of smoking a tobacco cigar, hookah, or pipe. Among endorsements of cannabis use, 38% were of smoking flower, 14% of smoking oils or concentrates, 16% of vaping flower, 16% of vaping oils or concentrates, and 15% of using edible products.Table 1Prevalence of youth substance use by survey during pandemicVariablePrevalence (%) of youth endorsing use in past 30 days [95% CI]Summary across wavesp Value for test of difference by survey 1/2/3Survey 1May 16 – June 11Survey 2June 23 – July 17Survey 3August 4 – August 19Mean pointprevalenceCumulativeprevalence [95% CI]Number of youth5,3885,7165,284-3,159- Any substance3.9 [3.2, 4.7]3.6 [2.9, 4.3]4.0 [3.2, 5.1]3.88.0 [6.9, 9.2].60 Alcohol1.7 [1.3, 2.1]1.7 [1.3, 2.3]1.9 [1.5, 2.5]1.83.4 [2.5, 4.7].56 Nicotine (any form)1.7 [1.3, 2.3]1.5 [1.1, 1.9]1.7 [1.3, 2.2]1.63.6 [2.9, 4.4].75 Vaping nicotine0.8 [0.6, 1.3]0.6 [0.4, 1.0]0.7 [0.5, 1.0]0.71.1 [0.7, 1.7].51 Cannabis (any form)0.3 [0.1, .6]0.2 [0.1, .4]0.3 [0.1, .7]0.20.2 [0.1, 0.4].76 Prescription drugs0.5 [0.3, .7]0.4 [0.3, .7]0.7 [0.4, 1.4]0.51.1 [0.6, 2.0].28 Inhalants0.4 [0.2, .6]0.3 [0.1, .6]0.2 [0.1, .5]0.30.5 [0.3, .9].50 Other drugs0.3 [0.1, .5]0.2 [0.1, .3]0.4 [0.2, 0.7]0.30.5 [0.3, .8].08Note. Mean point prevalence is the average prevalence across surveys 1, 2, and 3. Cumulative prevalence based on youth who completed all
