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Table 3 Means (and SD) test scores for early-onset and adult-onset schizophrenia spectrum disorders and the results of an ANCOVA with current age and duration of illness as covariates

From: Effects of age of onset on clinical characteristics in schizophrenia spectrum disorders

 

Early onset (n = 19)

Adult onset (n = 85)

  
 

Mean

SD

Mean

SD

F(df = 103)

Significance

Education level a

12.0

2.00

13.38

2.86

0.052

0.821

BMI

26.28

6.29

24.85

4.20

2.373

0.127

Previous hospitalisations

7.37

3.93

7.21

4.38

0.004

0.95

SAIQ need treatment

10.63

3.34

10.74

3.09

0.069

0.793

SAIQ presence/outcome

9.47

3.52

9.00

3.64

0.308

0.58

PANSS positive

15.26

3.45

15.32

3.45

0.000

0.988

PANSS negative a

22.84

4.35

18.36

4.66

13.134

<0.001**

PANSS cognitive a

24.63

4.07

19.66

4.57

14.919

<0.001**

PANSS total score a

86.37

13.63

74.96

14.38

6.236

0.014*

BIS motor a

18.79

5.99

14.95

5.48

1.114

0.294

BIS attentional a

13.11

4.83

9.59

4.44

3.974

0.049*

BIS non-planning a

19.58

4.06

15.29

5.15

3.998

0.047*

BIS total score a

51.47

12.32

39.84

12.57

3.938

0.05*

BDI

17.89

13.89

13.79

11.13

0.092

0.763

BAI

19.00

16.01

15.52

14.14

0.07

0.792

BHS

7.21

4.5

6.31

4.21

0.414

0.646

SSI

3.68

6.90

4.24

6.21

0.777

0.38

QOL G1F a

2.68

1.00

3.18

0.76

1.035

0.312

QOL G4F a

2.26

0.93

3.08

1.03

2.707

0.103

QOL physical

20.52

4.41

22.39

4.17

0.233

0.063

QOL psychological a

15.05

4.93

18.21

4.0

3.936

0.05*

QOL social a

10.32

3.61

12.29

3.85

0.403

0.527

QOL environmental

25.58

5.88

26.33

5.46

0.001

0.971

QOL total score a

71.47

15.04

80.23

12.71

0.826.

0.366

GAF

47.63

8.72

52.18

11.99

1.895

0.172

  1. *p < 0.05; **p < 0.01 aIndicates significant differences in paired t-test
  2. 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.
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BMC Psychiatry

ISSN: 1471-244X

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