A clinical comparison of schizophrenia with and without pre-onset cannabis use disorder: a retrospective cohort study using categorical and dimensional approaches

Table 4 Logistic regression predicting likelihood of schizophrenia with pre-onset cannabis use disorder for the second model including categorical variables and factor scores

	B	SE	df	p	Odds ratio	95% Confidence interval for odds ratio
	B	SE	df	p	Odds ratio	Lower	Upper
Categorical variables
Sex^a	2.79	1.05	1	0.008	16.29	2.09	126.75
Age at assessment	−0.07	0.03	1	0.008	0.93	0.89	0.98
Factor scores
Affective	0.06	0.08	1	0.47	1.06	0.91	1.14
Reality distortion	0.09	0.09	1	0.31	1.10	0.92	1.32
Disorganised/negative	0.02	0.17	1	0.91	1.02	0.72	1.43
Motor	0.07	0.24	1	0.77	1.07	0.66	1.73

^aMale gender is coded “1” and female gender “0”, patients with pre-onset CUD were coded “1” and those without “0”

ISSN: 1744-859X