Table 2.

Factors contributing to risk of less frequent cannabis use in ordinal regression analysis.

Variable	β	Odds Ratio (95%CI)	p-value
No medication relative to clozapine	1.96	7.1 (2.3–22.3)	0.001*
Other antipsychotics relative to clozapine	1.02	2.8 (0.97–7.9)	0.06
Time (in months)	−0.09	0.91 (0.84–0.98)	0.02*
Placement	−0.38	0.69 (0.32–1.47)	0.33

^*Indicates p<0.05