Discrepancies between Self- and Clinical Staff Members’ Perception of Cognitive Functioning among Patients with Schizophrenia Undergoing Long-Term Hospitalization

Table 1

Comparison of sociodemographic characteristics between the three groups.

	All patients ()	Underestimators ()	Accurate raters ()	Overestimators ()	value
	Mean (SD)	Mean (SD)	Mean (SD)	Mean (SD)
Sex
Male	23	12	6	5	.840^c
Female	25	11	8	6
Age (years)	60.72 (10.74)	59.91 (10.56)	64.21 (11.64)	58.00 (9.73)	.237^b
Onset age of illness	25.66 (10.95)	22.59 (8.41)	30.27 (12.38)	25.50 (12.30)	.151^b
Disease duration (years)	34.93 (12.88)	36.74 (13.11)	33.31 (12.23)	33.09 (13.83)	.653^a
Current length of stay in hospital (months)	139.20 (133.28)	149.52 (139.98)	117.21 (141.80)	145.45 (115.43)	.284^b
Number of hospitalizations	5.27 (4.79)	6.26 (5.15)	3.75 (3.31)	4.78 (5.38)	.350^b
Education (years)	12.31 (2.42)	11.82 (2.22)	12.83 (2.86)	12.73 (2.37)	.246^b
Marital history
Presence	14	4	7	3	.105^c
Absence	34	19	7	8
Current marital status
Presence	2	1	1	0	.673^c
Absence	46	22	13	11
Work experience
Presence	26	11	8	7	.070^c
Absence	14	10	4	0
Unknown	8	2	2	4
Chlorpromazine equivalents (mg)	757.86 (534.66)	664.20 (447.95)	883.64 (699.4)	793.64 (471.59)	.475^a

Note: ^aone-way analysis of variance; ^bKruskal-Wallis test; ^cchi-square test.