Citations reporting incidence of schizophrenia over time in England, 1881–1999, organised by study setting.

†Results from Dumfries & Galloway (Scotland) not officially part of present review but included as part of study.
‡First time period lies outside the scope of this review, but results presented in table for completeness.
∧(+) Increase in rate; (−) decrease in rate; (∼) no change in rate observed.