. Author manuscript; available in PMC: 2013 May 15.

Published in final edited form as: Biol Psychiatry. 2012 Feb 14;71(10):864–872. doi: 10.1016/j.biopsych.2012.01.007

Table 1.

Sample Characteristics

	Schizophrenia Spectrum (n=33)		Other Psychosis (n=45)		Controls (n=33)		Group Comparison

	N	%	N	%	N	%
Gender
Male	24	72.7	29	64.4	22	66.7	χ²(2)=.61
Female	9	27.3	16	35.6	11	33.3
Ethnicity
Caucasian	26	78.8	36	80.0	23	69.7	χ²(2)=1.26
Other	7	21.2	9	20.0	10	30.3
Socioeconomic Status
Blue Collar or Below	14	42.4	20	44.4			χ²(1)=.03
White Collar	19	57.6	25	55.6
Medication
Antipsychotic	27	81.8	10	22.2			χ²(1)=27.12^***
Antidepressant	12	36.3	14	31.1			χ²(1)=.24
Mood Stabilizer	10	30.3	10	22.2			χ²(1)=.65
Benzodiazepine	4	12.1	7	15.6			χ²(1)=.19
Rehospitalizations, Year 0–4
None or One	24	72.7	34	75.6			χ²(1)=.08
Two or More	9	27.3	11	24.4
Rehospitalizations, Year 4–10
None or One	21	63.6	34	77.3			χ²(1)=1.72
Two or More	12	36.3	10	22.7
Occupational Status
Employed	14	42.4	36	80.0			χ²(1)=12.85^***
Unemployed	19	57.6	8	17.8
Social Functioning
Not Impaired	7	21.2	33	75.0			χ²(1)=21.86^***
Impaired	26	78.8	11	25.0

	M	SD	M	SD	M	SD

Age	44.0	7.8	43.3	9.6	43.8	12.8	F(2,108)=.05
Symptoms—Total Scores
Negative	18.2	12.0	6.8	9.8			t(76)=4.59^***
Psychotic	4.1	7.4	.9	3.6			t(76)=2.48^*
Disorganized	2.7	4.4	1.6	3.0			t(76)=1.37
Antipsychotic Dosage (mg)	582.3	451.2	495.9	550.1			t(30)=.46
Neuroticism	15.5	7.5	16.2	6.8			t(75)=.47
Premorbid IQ (WRAT3 score)	46.3	5.9	48.1	4.8			t(75)=1.67

Note: Antipsychotic dosage is the chlorpromazine equivalent computed for participants prescribed antipsychotics.

p<.05,

^***

p<.001