Table 2 Waiting time (minutes) from arrival to treatment for mental health attendees at A&E.

Site	Study period	Number of attendees*	Mean waiting time (min)	SD (min)	95% CI for mean (min)
Hospital 1	Pre‐intervention (months 1–3)	700	65.9	53.4	62.0 to 70.0
	Intervention (months 4–6)	807	62.9	52.3	59.3 to 66.5
	Post‐intervention (months 7–12)	1514	74.1	54.7	71.3 to 76.8
	Total hospital 1	3021	69.2	54.0	67.3 to 71.1
Hospital 2	Pre‐intervention (months 1–6)	672	50.5	48.3	46.9 to 54.2
	Intervention (months 7–9)	331	46.0	48.9	40.7 to 51.2
	Post‐intervention (months 10–12)	340	48.8	46.3	43.8 to 53.7
	Total hospital 2	1343	49.0	48.0	46.4 to 51.5
Both hospitals	Pre‐intervention	1372	58.4	51.5	55.7 to 61.1
	Intervention	1138	58.0	51.9	55.0 to 61.0
	Post‐intervention	1854	69.4	54.1	67.0 to 71.9
	Total hospital 1 and 2	4364	63.0	53.0	61.4 to 64.6

*Waiting times data available for 72% (4364/6097) of attendees.