Table 1 Demographic and clinical variables.

From: Polygenic scores for schizophrenia and general cognitive ability: associations with six cognitive domains, premorbid intelligence, and cognitive composite score in individuals with a psychotic disorder and in healthy controls

 

Healthy controls

Individuals with psychosis

N Total (% females)

851 (47)

731 (48)

Mean age (SD)

32.7 (9.0)

31.3 (10.8)

Education years (SD)

14.4 (2.2)

12.8 (2.6)

AP medicationa (SD)

 

1.0 (0.7)

Duration of illnessb (SD)

 

6.3 (7.4)

  1. SD standard deviation, AP antipsychotic.
  2. aDaily antipsychotic dosage relative to the average recommended daily dosage. One hundred and seventy-five individuals with missing data.
  3. bYears from first episode with psychosis or mania. Twenty-seven individuals with missing data.