Table 3.

Prevalence of psychotic symptoms

	Total prevalence	Prevalence males	Prevalence females	P values males versus females	Prevalence NU2	Prevalence NU3	P values NU2 versus NU3
Psychotic symptoms in the last 12 months	2.7% (2.2 to 3.4)	2.9% (2.1 to 4.1)	2.6% (1.9 to 3.5)	0.66	2.4% (1.4 to 4.0)	2.8% (2.2 to 3.6)	0.68
Lifetime presence of any psychotic symptoms*	7.1% (6.2 to 8.1)	7.4% (6.0 to 9.1)	6.8% (5.6 to 8.2)	0.57	7.8% (6.0 to 10.2)	6.8% (5.8 to 8.0)	0.44
Visual hallucinations	3.9% (3.2 to 4.7)	3.6% (2.6 to 4.9)	4.1% (3.2 to 5.2)	0.60	4.2% (2.8 to 6.1)	3.8% (3.0 to 4.7)	0.73
Auditory hallucinations	3.3% (2.7 to 4.0)	3.9% (2.9 to 5.3)	2.8% (2.1 to 3.8)	0.13	3.3% (2.1 to 5.1)	3.3% (2.6 to 4.2)	1.0
Delusions: thought insertion and thought broadcasting	0.4% (0.21 to 0.73)	0.6% (0.26 to 1.3)	0.3% (0.1 to 0.6)	0.22†	0.6% (0.2 to 1.7)	0.3% (0.2 to 0.7)	0.30†
Delusions: ‘made’ feelings and impulses	0.3% (0.2 to 0.6)	0.3% (0.1 to 0.9)	0.3% (0.1 to 0.7)	1†	0.6% (0.2 to 1.6)	0.2% (0.1 to 0.6)	0.23†
Delusions of reference	1.1% (0.7 to 1.5)	1.5% (0.9 to 2.4)	0.7% (0.4 to 1.3)	0.11	2.0% (1.1 to 3.4)	0.7% (0.5 to 1.3)	0.015‡
Delusions of persecution	0.9% (0.6 to 1.3)	0.9% (0.5 to 1.7)	0.9% (0.5 to 1.6)	0.98	1.1% (0.5 to 2.3)	0.9% (0.5 to 1.4)	0.81
N	2773	1170	1603		665	2151

Cells report prevalence % (95% CI). P values calculated using a χ² test unless stated otherwise.

*Includes any of the psychotic symptoms.

†Fisher’s exact test used.

‡Would not survive multiple testing correction of 0.05/16=0.0031.