Table 3.

Comparison of classes: Raw means (SD), group test p values, and post-hoc Bonferonni test p values. Some of the most salient features (based on 2-group comparisons) are shown in bold.

Variable	Class 1	Class 2	Class 3	p value, group test	p value, 1 vs 2	p value, 1 vs 3	p value, 2 vs 3
Male, %	80.3	76.4	64.6	0.088	---	---	---
Employed, %	24.6	40.7	36.6	0.154	---	---	---
PANSS positive symptoms†	3.57 (0.78)	3.57 (0.88)	3.16 (0.80)	0.003	1.000	0.011	0.014
PANSS negative symptoms†	2.93 (0.59)	2.54 (0.75)	2.55 (0.97)	0.009	0.029	0.016	1.000
PANSS activation symptoms†	2.49 (0.86)	2.46 (0.84)	2.41 (0.99)	0.903	---	---	---
PANSS dysphoric symptoms†	2.76 (1.01)	2.82 (0.87)	2.44 (0.84)	0.030	1.000	0.113	0.056
PANSS preoccupation symptoms†	3.18 (0.62)	2.98 (0.74)	2.77 (0.87)	0.008	0.515	0.006	0.339
Birchwood Insight Scale	6.25 (3.70)	6.22 (3.50)	5.06 (3.18)	0.083	---	---	---
SOFAS	37.3 (10.6)	37.7 (12.9)	42.9 (12.8)	0.011	1.000	0.023	0.055
GAF	32.5 (10.3)	32.9 (11.3)	37.1 (12.0)	0.032	1.000	0.059	0.112
Total number of Axis IV problems	5.00 (1.87)	4.52 (1.87)	3.61 (2.02)	<0.0005	0.587	<0.0005	0.029
Proxy for the Deficit Syndrome	-4.48 (3.21)	-6.44 (3.11)	-5.04 (3.16)	0.003	0.003	0.886	0.036
DUP (weeks)‡	41.0	40.0	13.0	0.002

Class 1 – poor premorbid/early onset

Class 2 – long prodrome/late onset

Class 3 – good premorbid/shortprodrome

^†subscales of the pentagonal model of White et al., 1997

^‡nonparametric test of medians