Table 4.

Prevalence of Substance Use as A Function of Survey Wave, Social Distancing, and Controls.

	30-Day Marijuana Use		Binge Drinking in Past Two Weeks		30-Day Nicotine Vaping
	Model 1	Model 2	Model 1	Model 2	Model 1	Model 2
Second survey wave	.84	.83	.92	.92	.64**	.63**
	(.60–1.18)	(.57–1.20)	(.60–1.40)	(.60–1.40)	(.47–.88)	(.46–.88)
Social Distancing Practicesa	.73	.60*	.65	.64	.35**	.36**
	(.50–1.06)	(.40–.90)	(.39–1.07)	(.39–1.07)	(.22–.55)	(.23–.59)
(Second survey wave) x			.44*	.44*
(Social Distancing Practices)			(.20–.96)	(.20–.96)
Female		1.07		1.06		.63
		(.62–1.84)		(.57–1.97)		(.37–1.09)
White		.86		1.60		2.35*
		(.45–1.65)		(.84–3.04)		(1.21–4.54)
Grade point average		1.32**		1.22*		1.11
		(1.11–1.56)		(1.02–1.46)		(.94–1.31)
Parent has college		.66		1.13		.89
education		(.32–1.35)		(.51–2.50)		(.42–1.88)
Constant	.35**	.17**	.26**	.09**	.50**	.28*
	(.24–.50)	(.07–.44)	(.17–.39)	(.03–.27)	(.36–.70)	(.11–.75)

^aCoded 0 for none to medium, 1 for high, and 2 for extreme.

^*p < .05.

^**p < .01.