Table 2. Results of the unadjusted proportional odds models examining the association between demographic and clinical characteristics of the 145 MAP+ methamphetamine abusers with the frequency of psychotic episodes.

	OR (95% CI)	p-value
Demographic Characteristics
Age (years)	1.02 (0.98 – 1.06)	0.28
Female Gender	0.93 (0.52 – 1.66)	0.81
Education (years)	0.99 (0.86 – 1.15)	0.94
Parental Education (years)1	0.93 (0.83 – 1.05)	0.24
NART	0.99 (0.94 – 1.05)	0.82
Family History of Psychiatric Disorder2	1.16 (0.62 – 2.17)	0.64
Clinical Characteristics
WURS score1	1.04 (1.02 – 1.05)	< 0.0001
Methamphetamine use
Age of first use	1.01 (0.96 – 1.05)	0.84
Years of use	1.02 (0.98 – 1.06)	0.40
Mean Dose (g)	1.61 (1.17 – 2.20)	0.003
Months Abstinent	1.00 (0.99 – 1.01)	0.61
Alcohol Abuse/Dependence	1.01 (0.57 – 1.80)	0.98
Tobacco use	2.00 (0.92 – 4.39)	0.08
Cocaine Abuse/Dependence	0.94 (0.49 – 1.78)	0.84
Cannabis Abuse/Dependence	2.00 (0.99 – 4.04)	0.06

Note: unadjusted models with frequency of psychosis as a dependent variable were fit for each of the demographic and clinical characteristics

¹Frequency missing = 3

²Frequency missing = 2