Table 5.

Incident cannabis use as a function of psychotic experiences at the preceding interview over the periods T0–T1, T1–T2, and T2–T3 in a combined sample of NEMESIS-2 study and EDSP study

	Prediction from T0 to T1					Prediction from T1 to T2					Prediction from T2 to T3
	T1 cannabis use					T2 cannabis use					T3 cannabis use
T0 psychotic experiences		0	1	Total	T1 psychotic experiences		0	1	Total	T2 psychotic experiences		0	1	Total
No	N a	5190	77	5267	No	N a	4856	106	4962	No	N a	4126	101	4227
	%	98.5	1.5	100.0		%	97.9	2.1	100.0		%	97.6	2.4	100.0
Yes	N a	608	39	647	Yes	N a	282	18	300	Yes	N a	232	36	268
	%	94.0	6.0	100.0		%	94.0	6.0	100.0		%	86.6	13.4	100.0
Total	N a	5798	116	5914	Total	N a	5138	124	5262	Total	N a	4358	137	4495
	%	98.0	2.0	100.0		%	97.6	2.4	100.0		%	97.0	3.1	100.0

^aNumber of participants.