Here, we observed a similar interaction as for APOE (MBI‐psychosis*top tertile: HR: 7, 95% CI: 1.4–3.5, p = 0.02; MBI‐psychosis*middle tertile: HR: 3.4, 95% CI: 0.6–1.9, p = 0.6). The gene discussed is APOE; the disease is psychotic disorder.