Table 3.

 Association between incident cannabis use at T2 (3.5 years after baseline) and incident psychotic experiences at T3 (8.4 years after baseline) Figures are odds ratios (95% confidence intervals) and P values

Cannabis use at T2	Risk of psychotic experiences at T3
	Unadjusted	Adjusted*
Whole sample	1.8 (1.3 to 2.4), <0.001	1.5 (1.1 to 2.1), 0.018
After exclusion†	2.1 (1.3 to 3.4), 0.004	1.9 (1.1 to 3.1), 0.021

*Adjusted for age, sex, socioeconomic status, use of other drugs, childhood trauma, and urban/rural environment.

†Excludes individuals with baseline cannabis use and pre-existing psychotic symptoms.