The diagnoses by the clinical teams of the participants
were schizophrenia (n = 111), delusional disorder
(n = 7), schizo-affective disorder (n = 9), and psychotic
disorder (n = 1). Almost all participants (n = 121) were
currently taking antipsychotic medication. The mean
length of illness was 14.2 years (SD = 10.3). From the
SAPS ratings, 119 were experiencing persecutory delusions,
87 were experiencing auditory hallucinations, and
20 were experiencing grandiose delusions. The mean
score for state paranoia was 163.9 (SD = 147.0). The full
range of scores from 0 to 500 were reported for state
paranoia, with 19 individuals scoring zero and 3 individuals
reporting 500. The state paranoia score positively
correlated with the SAPS persecutory delusions item,
r = .38, P < .001.