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Table 2 Overview of demographic and clinical data in relatives in the total sample and by family subtype

From: The identification of family subtype based on the assessment of subclinical levels of psychosis in relatives

  

Total sample (N = 1392)

“Healthy” (N = 637)

“At risk” (N = 755)

Test statistic (df)

P

Mean age (SD)

 

40.37 (15.68)

40.40 (15.41)

40.35 (15.91)

Wald(1) = .00

.95

N male (%)

 

605 (43.5)

280 (44.0)

325 (43.0)

Wald(1) = .12

.73

N diagnosis (%)

Control

1111 (79.8)

586 (92)

525 (69.5)

Wald(2) = 95.93

<.001

 

Depression

258 (18.5)

42 (6.6)

216 (28.6)

  
 

Rest

23 (1.7)

9 (1.4)

14 (1.8)

  

WAIS-IQ

 

103.65 (16.15)

104.11 (15.72)

103.28 (15.91)

Wald(1) = 0.90

.34

  1. Note:- As a posthoc analysis, we repeated these analyses in relatives unaffected for depression. The differences between relatives from the two subtypes became somewhat smaller, but were still highly significant.
  2. - These analyses were performed in LatentGold and were corrected for family structure by taking into account possible correlations within families.