TABLE 4.

Self-Reported Polysubstance Use by Selected Characteristics Among Adults (21+ Years) in the US, Fall ConsumerStyles 2015 (Appendix C, Table D)

Characteristic		Alcohol and Marijuana Use, n=93
		aPR (95% CI)
Age	21–34	1.08 (0.63–1.85)
	35–44	<ref>
	45+	0.56 (0.32–0.97)*
Education	High School degree or less	<ref>
	Some college	1.43 (0.91–2.25)
	Bachelor’s degree or higher	0.77 (0.44–1.36)
Race/Ethnicity	White, non-Hispanic	<ref>
	Other and multiple race, non-Hispanic	1.32 (0.88–1.97)
Gender	Female	<ref>
	Male	1.46 (0.98–2.20)
Head of Household	No	<ref>
	Yes	0.70 (0.44–1.10)
Household Income	<$40,000	<ref>
	$40,000 to $74,999	0.52 (0.31–0.87)*
	$75,000 +	0.55 (0.34–0.88)*
Marital Status	Married	b
	Not Married	b
Region	Northeast	b
	Midwest	b
	South	b
	West	b

a = not all respondents answered every question

b = not included in model

aPR=adjusted Prevalence Ratio

95% CI= confidence interval of 95%

^*p-value <0.05 and statistically significant