Table 7.

Persistence of Positive Symptoms

	10-Year Psychosis Persistence (T0–T3)a %, (n, N)
	Never	Once	Twice	Thrice	OR (95% CI)
T2–T3 no psychotic symptoms, (n = 3892)	84.5% (3290/3892)	12.5% (487/3892)	2.7% (105/3892)	0.3% (10/3892)	1b
T2–T3 isolated hallucinations, (n = 65)	61.5% (40/65)	24.6% (16/65)	13.9% (9/65)	0.0% (0/65)	2.3 (1.7, 3.2)*
T2–T3 isolated delusions, (n = 656)	69.1% (453/656)	20.4% (134/656)	8.7% (57/656)	1.8% (12/656)	2.0 (1.7, 2.3)*
T2–T3 hallucinations and delusions, (n = 121)	52.9% (64/121)	22.3% (27/121)	16.5% (20/121)	8.3% (10/121)	3.3 (2.7, 4.2)*c,d

^aPersistence of positive symptoms was measured at T0, T2, and T3 and derived from the SCL-90R. Persistence of positive psychotic symptoms was expressed as how often they occurred during the 3 different interview waves.

^bReference category.

^cOR T2–T3 hallucinations and delusions > OR T2–T3 isolated hallucinations, P < .05.

^dOR T2–T3 hallucinations and delusions > OR T2–T3 isolated delusions, P < .001.

*P ≤ .001.