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. 2010 Aug 18;10:63. doi: 10.1186/1471-244X-10-63

Table 1.

Means (and SD) of demographic and clinical characteristics for the schizophrenia (n = 52) and schizoaffective (n = 52) groups

Schizophrenic disorder Mean (SD) Schizoaffective disorder Mean (SD) t Significance
Age 40.23 (10.06) 38.25 (10.51) 0.982 0.329
Education 12.88 (2.66) 12.88 (2.86) 0.000 1
BMI 24.95 (5.23) 25.27 (4.03) -0.354 0.724
Age of illness onset 25.56 (7.94) 22.73 (6.98) 1.927 0.06
Illness duration 14.67 (8.85) 15.52 (8.33) -0.502 0.617
Previous hospitalization 6.51 (3.80) 7.96 (4.64) -1.734 0.086
SAIQ need for treatment 10.13 (2.90) 11.31 (3.25) -1.941 0.055
SAIQ presence/outcome of illness 8.29 (3.27) 9.88 (3.78) -2.303 0.023*
PANSS positive 15.13 (3.44) 15.48 (3.44) -0.513 0.609
PANSS negative 19.25 (5.32) 19.11 (4.50) 0.139 0.889
PANSS cognitive 19.35 (5.16) 21.79 (4.25) -2.633 0.01*
PANSS total score 73.71 (16.33) 80.38 (12.51) -2.339 0.021*
BIS motor 14.67 (5.38) 16.63 (5.97) -1.76 0.081
BIS attention 9.21 (4.52) 11.25 (4.68) -2.26 0.026*
BIS non-planning 15.25 (5.53) 16.90 (4.81) -1.628 0.107
BIS total score 39.13 (13.28) 44.79 (12.75) -2.215 0.029*
BDI 12.25 (10.14) 16.87 (12.78) -2.056 0.042*
ACL 14.52 (13.7) 17.79 (15.47) -1.115 0.252
BHS 6.42 (4.23) 6.52 (4.32) -0.115 0.909
SSI 3.56 (5.33) 4.71 (7.16) -0.932 0.353
QOL G1F 3.29 (0.8) 2.88 (0.81) 2.56 0.012*
QOL G4F 3.29 (0.91) 2.58 (1.07) 3.64 <0.001**
QOL physical 23.10 (4.53) 21 (3.71) 2.58 0.011*
QOL psychological 19.0 (4.14) 16.27 (4.12) 3.37 0.001**
QOL social 12.98 (4.35) 10.88 (3.01) 2.86 0.005**
QOL environmental 26.60 (6.33) 25.79 (4.58) 0.745 0.458
QOL total score 81.67 (13.99) 73.94 (11.75) 3.05 0.003**
GAF 52.01 (13.0) 50.67 (10.0) 0.592 0.555

*p < 0.05; **p < 0.01

Abbreviations: SAIQ = Self-Appraisal of Illness Questionnaire; PANSS = Positive and Negative Syndrome Scale; BIS = Barrett Impulsiveness Scale; BDI = Beck Depression Inventory; ACL = Anxiety Checklist; BHS = Beck Hopelessness Scale; SSI = Scale for Suicide Ideation; QOL = Quality of Life; GAF = Global Assessment of Functioning.