Table 4.

Models testing the effects of maximum frequency of drug use (Grade 10 through age 20) on negative outcomes at age 21.

	Drug disorder		Mood disorder		No school/work		Poor/fair health		Violence		Property crime
	OR	95% CI	OR	95% CI	OR	95% CI	OR	95% CI	OR	95% CI	OR	95% CI
Model 1
Gender	1.15	0.64–2.07	0.31**	0.19–0.50	1.06	0.75–1.51	0.65**	0.48–0.89	1.01	0.75–1.36	1.70*	1.13–2.56
Alcohol	1.31*	1.04–1.66	1.05	0.92–1.21	0.87**	0.79–0.96	0.95	0.88–1.03	1.23**	1.14–1.33	1.16*	1.03–1.31
Cigarettes	1.46**	1.20–1.78	1.15	0.98–1.35	1.46**	1.30–1.64	1.25**	1.11–1.40	1.20**	1.09–1.32	1.28**	1.12–1.47
LLRa	−177.10 (4)		−273.68 (4)		−421.83 (4)		−494.24 (4)		−529.05 (4)		−328.21 (4)
Model 2
Gender	0.97	0.53–1.78	0.30**	0.18–0.49	1.01	0.71–1.44	0.64**	0.47–0.88	1.01	0.75–1.36	1.65*	1.09–2.49
Alcohol	1.03	0.80–1.33	1.01	0.86–1.18	0.80**	0.71–0.90	0.94	0.85–1.04	1.22**	1.11–1.35	1.11	0.96–1.27
Cigarettes	1.13	0.91–1.40	1.07	0.88–1.30	1.32**	1.15–1.52	1.23**	1.08–1.42	1.20**	1.06–1.35	1.20*	1.02–1.40
Marijuana	1.68**	1.33–2.13	1.09	0.95–1.26	1.16**	1.05–1.28	1.02	0.92–1.13	1.01	0.93–1.09	1.11	0.98–1.24
LLRa	−163.38 (5)		−272.69 (5)		−417.38 (5)		−494.15 (5)		−529.02 (5)		−326.74 (5)
Model 3
Gender	1.13	0.60–2.11	0.31**	0.19–0.52	1.05	0.74–1.50	0.64**	0.47–0.88	1.04	0.78–1.40	1.73**	1.15–2.62
Alcohol	0.97	0.75–1.25	1.00	0.85–1.17	0.79**	0.71–0.89	0.94	0.85–1.04	1.22**	1.11–1.35	1.09	0.95–1.26
Cigarettes	1.06	0.86–1.32	1.03	0.85–1.25	1.28**	1.12–1.47	1.23**	1.08–1.42	1.16*	1.03–1.31	1.16	0.99–1.36
Marijuana	1.51**	1.17–1.94	1.03	0.88–1.21	1.12	0.99–1.26	1.03	0.93–1.14	0.97	0.88–1.07	1.05	0.92–1.21
Other drugs       (not NMPO)	1.30**	1.11–1.52	1.19*	1.01–1.39	1.14*	1.01–1.28	0.97	0.88–1.07	1.09	0.99–1.21	1.13*	1.00–1.27
LLRa	−157.49 (6)		−269.95 (6)		−414.79 (6)		−494.02 (6)		−527.19 (6)		−324.70 (6)
Model 4
Gender	0.99	0.54–1.82	0.30**	0.18–0.50	1.02	0.72–1.45	0.64**	0.47–0.88	1.03	0.77–1.38	1.68*	1.11–2.54
Alcohol	0.98	0.76–1.26	0.98	0.84–1.15	0.80**	0.71–0.90	0.94	0.85–1.04	1.21**	1.10–1.33	1.08	0.94–1.24
Cigarettes	1.11	0.89–1.37	1.03	0.85–1.25	1.30**	1.13–1.49	1.22**	1.06–1.40	1.15*	1.02–1.29	1.16	0.99–1.36
Marijuana	1.62**	1.28–2.04	1.05	0.92–1.21	1.15	1.02–1.29	1.01	0.92–1.11	0.96	0.87–1.06	1.06	0.94–1.19
NMPOs (not       other drugs)	1.19*	1.01–1.39	1.19*	1.01–1.39	1.06	0.94–1.19	1.02	0.91–1.15	1.22**	1.11–1.35	1.17*	1.04–1.32
LLRa	−161.26 (6)		−270.15 (6)		−416.85 (6)		−494.06 (6)		−521.84 (6)		−323.43 (6)
Model 5
Gender	1.12	0.60–2.09	0.31**	0.18–0.51	1.05	0.74–1.50	0.64**	0.47–0.87	1.03	0.77–1.38	1.72*	1.14–2.59
Alcohol	0.96	0.74–1.24	0.99	0.85–1.16	0.79**	0.71–0.89	0.94	0.85–1.04	1.21**	1.10–1.33	1.08	0.94–1.24
Cigarettes	1.06	0.86–1.32	1.01	0.83–1.23	1.28**	1.12–1.47	1.23**	1.08–1.42	1.15*	1.02–1.29	1.15	0.98–1.35
Marijuana	1.49**	1.16–1.92	1.02	0.87–1.19	1.12	0.99–1.26	1.03	0.93–1.14	0.95	0.86–1.05	1.04	0.91–1.19
Other drugs	1.27**	1.09–1.49	1.13	0.96–1.32	1.14*	1.01–1.28	0.96	0.85–1.08	1.02	0.91–1.15	1.07	0.94–1.23
NMPOs	1.05	0.88–1.25	1.12	0.94–1.33	1.00	0.87–1.15	1.04	0.93–1.17	1.21**	1.08–1.36	1.14	0.99–1.31
LLR	−157.31 (7)		−268.99 (7)		−414.76 (7)		−493.79 (7)		−521.78 (7)		−322.95 (7)

^aLog likelihood ratio.

^*Significant at the .05-level in a two-tailed test.

^**Significant at the .01-level in a two-tailed test