Table 4.

Associations between Cannabis Use and Features of Schizotypal Personality Disorder (SPD)

	All Subjects
Comparison	OR	95% CI		AO R*	95% CI
Cannabis use (lifetime) vs. Symptoms of SPD
Ideas of reference
No use	1.00	1.00	1.00	1.00	1.00	1.00
Use	0.93	0.63	1.38	0.95	0.63	1.43
Abuse	2.13	1.44	3.15	2.26	1.51	3.38
Dependence	5.20	3.12	8.66	5.15	3.04	8.75
Odd beliefs or magical thinking
No use	1.00	1.00	1.00	1.00	1.00	1.00
Use	2.08	1.63	2.65	2.21	1.73	2.82
Abuse	2.38	1.83	3.10	2.55	1.94	3.36
Dependence	6.36	4.42	9.15	6.66	4.60	9.65
Unusual perceptual experiences
No use	1.00	1.00	1.00	1.00	1.00	1.00
Use	2.07	1.47	2.92	2.16	1.53	3.06
Abuse	2.21	1.43	3.40	2.39	1.52	3.77
Dependence	6.55	3.96	10.85	6.47	3.86	10.85
Odd thinking and speech
No use	1.00	1.00	1.00	1.00	1.00	1.00
Use	2.58	1.88	3.52	2.62	1.91	3.60
Abuse	3.69	2.63	5.18	3.79	2.66	5.39
Dependence	8.26	5.47	12.49	8.47	5.53	12.97
Suspicious or paranoid ideation
No use	1.00	1.00	1.00	1.00	1.00	1.00
Use	1.81	1.56	2.10	1.75	1.50	2.03
Abuse	2.72	2.31	3.20	2.69	2.27	3.18
Dependence	6.12	4.64	8.08	5.62	4.27	7.40
Inappropriate or constricted affect
No use	1.00	1.00	1.00	1.00	1.00	1.00
Use	1.80	1.53	2.12	1.70	1.45	2.01
Abuse	2.71	2.29	3.20	2.42	2.04	2.87
Dependence	4.35	3.25	5.81	3.76	2.81	5.02
Behavior or appearance that is odd, eccentric or peculiar
No use	1.00	1.00	1.00	1.00	1.00	1.00
Use	2.48	1.86	3.31	2.54	1.89	3.40
Abuse	3.51	2.68	4.60	3.59	2.71	4.76
Dependence	7.94	5.61	11.25	8.04	5.66	11.42
Lack of close friends or confidants other than first degree relatives
No use	1.00	1.00	1.00	1.00	1.00	1.00
Use	2.48	1.90	3.24	2.42	1.83	3.20
Abuse	2.73	1.93	3.85	2.76	1.93	3.96
Dependence	5.40	3.09	9.42	5.33	3.06	9.31
Excessive social anxiety
No use	1.00	1.00	1.00	1.00	1.00	1.00
Use	2.03	1.49	2.78	2.04	1.48	2.82
Abuse	2.49	1.81	3.42	2.62	1.90	3.60
Dependence	9.18	5.91	14.26	9.32	5.99	14.49

^*adjusted for sociodemographic characteristics