Table 4.

Logistic regression for marijuana use disorder symptoms. Odds ratios and 95% confidence intervals

	Larger/Longer	Cut down	Time	Continued use
Number of days used marijuana in past 30	1.05 (1.04–1.06)***	1.056 (1.05–1.06)***	1.1 (1.09–1.11)***	1.03 (1.02–1.04)***
Past year depression (MDE)	1.8 (1.56–2.19)***	1.9 (1.50–2.30)***	1.6 (1.41–1.93)***	3.2 (2.41–4.30)***
Marijuana age of onset	1.0 (0.99–1.03)	1.0 (0.97–1.03)	0.98 (0.96–0.99)*	0.96 (0.94–0.98)*
Past 30 day cigarette use	1.0 (0.99–1.002)	1.0 (0.99–1.002)	0.997 (0.994–0.997)**	0.9 (0.99–1.00)
Past month alcohol use	1.0 (0.99–1.002)	1.0 (0.99–1.003)	1.002 (1.001–1.004)*	1.0 (0.99–1.01)
Past year illicit substance use (other than marijuana)	1.3 (1.10–1.52)*	1.4 (1.15–1.64)**	1.6 (1.43–1.72)***	1.7 (1.36–2.00)***
Age	0.9 (0.89–0.93***)	0.9 (0.92–0.97)***	0.79 (0.77–0.80)***	0.89 (0.86–0.91***)
Gender
Male vs. Female	0.9 (0.80–1.08)	1.05 (0.91–1.20)	0.7 (0.65–0.80)***	0.8 (0.63–0.98)*
Race
White vs. non-White	0.8 (0.56–1.14)	0.9 (0.59–1.31)	0.9 (0.70–1.10)	0.70 (0.42–1.20)
Black vs. non-Black	1.8 (1.33–2.57)**	2.0 (1.35–2.96)**	1.4 (1.11–1.85)	1.5 (0.89–2.65)
Hispanic vs. non-Hispanic	0.9 (0.67–1.44)	1.3 (0.85–2.04)	1.2 (0.89–1.60)	1.5 (0.88–2.50)
Survey year	0.9 (0.94–1.02)	0.9 (0.94–1.03)	0.97 (0.94–0.99)*	0.9 (0.88–0.98)*

^*p < .05,

^**p < .001,

^***p<.0001