Table 3.

Prevalence of Substance Use and Perceived Availability of Substances, Overall and by Social Distancing Levels.

		Social Distancing Levels
	Total Sample	None to medium	High	Extreme
Prevalence
Marijuana use in past 30 days
Pre-pandemic	.23 (.17−.28)	0.26 (.19−.33)	0.20 (.08−.33)	0.15 (.05−.25)
During pandemic	.20 (.15−.25)	0.21 (.15−.27)	0.25 (.09−.40)	0.11 (.02−.21)
Binge drinking in past two weeks
Pre-pandemic	.17 (.12−.22)	0.20 (.14−.27)	0.14 (.02−.26)	0.10 (.01−.19)
During pandemic	.13 (.09−.17)	0.19 (.13−.26)	0.04 (.00−0.08)	0.03 (-.01−.07)
Nicotine vaping in past 30 days
Pre-pandemic	.24 (.19−.29)	0.32 (.25−.40)	0.17 (.06−.28)	0.06 (.01−.12)
During pandemic	.17** (.13−.22)	0.25 (.19−.32)	0.07 (.02−.12)	0.03 (-.01−.07)
Availabilitya
Marijuanab
Pre-pandemic	.76 (.67−.85)	.82 (.69−.94)	.75 (.54−.96)	.59 (.41−.77)
During pandemic	.59** (.54−.65)	.66** (.59−.74)	.56 (.43−.69)	.43 (.30−.56)
Alcoholc
Pre-pandemic	.86 (.77−.95)	.96 (.90−1.01)	.83 (.62−1.03)	.66 (.41−.92)
During pandemic	.62** (.55−.68)	.69** (.61−.77)	.58* (.45−.71)	.43 (.31−.56)
Device for vaping nicotineb
Pre-pandemic	.73 (.64−.82)	.81 (.71−.92)	.74 (.57−.90)	.51 (.29−.74)
During pandemic	.63* (.57−.69)	.75 (.68−.82)	.56 (.42−.70)	.34 (.22−.45)

^*p < .05.

^**p < .01.

^aAvailability defined as percentage of respondents reporting that it was “fairly easy” or “very easy” to get substance or vaping device.

^bQuestion asked of a randomly-selected one-third of sample at baseline and of all respondents at follow up.

^cQuestion asked of a randomly-selected one-sixth of sample at baseline and of all respondents at follow up.