Table 3

Prevalence of psychotic symptoms

Total prevalencePrevalence malesPrevalence femalesP values males versus femalesPrevalence NU2Prevalence NU3P values NU2 versus NU3
Psychotic symptoms in the last 12 months2.7% (2.2 to 3.4)2.9% (2.1 to 4.1)2.6% (1.9 to 3.5)0.662.4% (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)0.577.8% (6.0 to 10.2)6.8% (5.8 to 8.0)0.44
Visual hallucinations3.9% (3.2 to 4.7)3.6% (2.6 to 4.9)4.1% (3.2 to 5.2)0.604.2% (2.8 to 6.1)3.8% (3.0 to 4.7)0.73
Auditory hallucinations3.3% (2.7 to 4.0)3.9% (2.9 to 5.3)2.8% (2.1 to 3.8)0.133.3% (2.1 to 5.1)3.3% (2.6 to 4.2)1.0
Delusions: thought insertion and thought broadcasting0.4% (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 impulses0.3% (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 reference1.1% (0.7 to 1.5)1.5% (0.9 to 2.4)0.7% (0.4 to 1.3)0.112.0% (1.1 to 3.4)0.7% (0.5 to 1.3)0.015‡
Delusions of persecution0.9% (0.6 to 1.3)0.9% (0.5 to 1.7)0.9% (0.5 to 1.6)0.981.1% (0.5 to 2.3)0.9% (0.5 to 1.4)0.81
N2773117016036652151
  • 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.