Don’t turn your back on the symptoms of psychosis: a proof-of-principle, quasi-experimental public health trial to reduce the duration of untreated psychosis in Birmingham, UK

Table 3 Confidence Intervals for the target area based on predicted increase in referral rate

Yearly referral rate increase	Predictedconfidence Interval (+/−)	CI width
30	218	90-526
40	187	121-495
50	166	142-474
60	151	157-459
70	139	169-447
80	130	178-438
90	123	185-431
100	116	192-424

ISSN: 1471-244X