Table 3 Comparison of Evaluation and Validation Subsample Characteristics

Sample

3593

3594

Continuous

Mean (sd)

Mean (sd)

t (7185)

p

Cohen's d

Age

39.49 (12.21)

39.43 (12.27)

0.048

0.962

0.005

PANSS

   Positive

19.43 (6.60)

19.57 (6.80)

- 0.961

0.373

- 0.021

   Negative

22.70 (6.92)

22.71 (6.93)

- 0.049

0.961

- 0.001

   General

40.82 (10.09)

40.85 (10.14)

- 0.142

0.887

- 0.003

   Total Score

82.95 (19.30)

83.13 (19.60)

- 0.471

0.638

- 0.009

Categorical

n (Percent)

n (Percent)

Chi Square

Gender

Cramer'sφ

   Male

2391 (66.55%)

2383 (66.30%)

Χ ² (1) = 1.40

0.595

0.014

   Female

1202 (33.45%)

1210 (33.67%)

Diagnosis

   Schizophrenia

3437 (95.66%)

3429 (95.41%)

Χ ² (1) = 1.04

0.669

0.012

   Schizoaffective

156 (4.34%)

165 (4.59%)

Race

   Caucasian

2407 (66.99%)

2432 (67.67%)

Χ ² (4) = 13.70

0.134

0.044

   Asian

255 (7.10%)

246 (6.84%)

   Black

614 (17.09%)

648 (18.03%)

   Hispanic

187 (5.20%)

177 (4.92%)

   Other

130 (3.62%)

91 (2.53%)