TABLE 2.

Marijuana Use and Marijuana Impaired Driving by Selected Characteristics Among Adults (21+ Years) in the US, ConsumerStyles 2015 (Appendix C, Table B)

Characteristic		Marijuana Use, N=187	Marijuana Impaired Driving, N=59
		aPR (95% CI)	aPR (95% CI)
Age	21–34	1.53 (0.99–2.36)	1.73 (0.79–3.79)
	35–44	<ref>	<ref>
	45+	0.71 (0.46–1.08)	1.29 (0.60–2.80)
Education	High School degree or less	<ref>	b
	Some college	1.05 (0.75–1.46)	b
	Bachelor’s degree or higher	0.73 (0.50–1.06)	b
Race/Ethnicity	White, non-Hispanic	b	<ref>
	Other, multiple race, Hispanic	b	1.51 (1.01–2.25)*
Gender	Female	<ref>	<ref>
	Male	1.76 (1.32–2.34)*	1.70 (1.02–2.84)*
Head of Household	No	<ref>	<ref>
	Yes	0.91 (0.65–1.28)	0.97 (0.61–1.55)
Household Income	<$40,000	<ref>	b
	$40,000 to $74,999	0.77 (0.54–1.11)	b
	$75,000 +	0.74 (0.51–1.06)	b
Marital Status	Married	<ref>	b
	Not Married	1.17 (0.83–1.65)	b
Region	Northeast	<ref>	b
	Midwest	1.08 (0.68–1.70)	b
	South	0.80 (0.53–1.22)	b
	West	1.44 (0.96–2.18)	b

a = not all respondents answered every question

b = not included in model, p>0.05

aPR=adjusted Prevalence Ratio

95%CI= confidence interval of 95%

^*p-value <0.05 and statistically significant