Table 6. Results of the meta-regression.

Random-effects model sizes of the prevalence of psychotic disorders.

Variables	Coefficients	LCI	UCI	p
Intercept	0.0108	0.0064	0.0152	< .0001
Prevalence type
12-month (reference)
Point	-0.0006	-0.0025	0.0014	0.5537
Lifetime	0.0050	0.0031	0.0070	< .0001
Case-finding setting
Population attended in any health service (reference)
General population	0.0028	0.0008	0.0047	0.0059
Diagnosis categories
Schizophrenia(reference)
Schizophrenia and related disorders	-0.0004	-0.0026	0.0019	0.7586
Non-affective psychosis	0.0026	0.0006	0.0045	0.0091
Probable psychotic disorders	0.0042	0.0006	0.0078	0.0222
Quality of the studies	-0.0008	-0.0012	-0.0004	0.0002

I² = 99.8%; R² = 40.6

LCI = Lower bound of 95% Confidence Interval; UCI: Upper bound of 95% Confidence Interval

I² = variability due to true heterogeneity

R² = Coefficient of Determination