Table 5.
Results (RR and 95% CI) on the interaction between lifetime positive psychotic experiences and JTC bias on psychosis risk outcome
Psychosis risk = 0 (controls) Reference group | Psychosis risk= 1 (siblings)a |
Psychosis risk = 2 (patients)a |
|||
---|---|---|---|---|---|
RR (95% CI) | p | RR (95% CI) | p | ||
Interaction of lifetime psychotic experiences and reasoning bias: | |||||
Delusions × JTC bias | – | 3.77 (1.67–8.51) | 0.001b | 2.15 (0.94–4.92) | 0.071b |
Visual hallucinations × JTC bias | – | 2.28 (0.71–7.35) | 0.166 | 1.39 (0.58–3.35) | 0.465 |
Auditory hallucinations × JTC bias | – | 1.63 (0.37–7.08) | 0.517 | 1.51 (0.41–5.55) | 0.535 |
Note: CI = confidence interval, RR = relative risk ratio.
Model adjusted for socio-demographics (age, sex, level of education, cognitive score, country and being a member of the same family).
Difference in interaction term siblings v. patients: χ2 = 3.06, df = 1, p = 0.08.