Table 1.

Detail of population and referrals in the South West of England across age including: total population; total number of referrals; referrals as a proportion of population; and estimated prevalence

Age, years		18–19	20–24	25–29	30–34	35–39	40–44	45–49	50–54	55–59	60–64	65–69	70–74
Population	(count)	253 936	293 070	260 578	299 820	354 084	361 746	324 621	307 731	345 264	285 479	243 231	214 057

Estimated CMHP cases	(count)	35 001	44 942	49 269	51 344	63 188	72 673	66 849	62 190	55 179	43 676	23 892	20 270
Estimated CMHP cases	(% of population)	13.78	15.33	18.91	17.12	17.85	20.09	20.59	20.21	15.98	15.30	9.82	9.47

Referrals	(count)	3527	10 313	10 199	9568	9582	10 071	8885	6681	5152	3595	2321	1217
	(% of population)	1.39	3.52	3.91	3.19	2.71	2.78	2.74	2.17	1.49	1.26	0.95	0.57
	(% of CMHP cases)	10.08	22.95	20.70	18.64	15.16	13.86	13.29	10.74	9.34	8.23	9.71	6.00

Attenders	(count)	2033	5913	6205	6155	6438	6916	6400	4868	3954	2767	1774	905
	(% of population)	0.80	2.02	2.38	2.05	1.82	1.91	1.97	1.58	1.15	0.97	0.73	0.42
	(% of CMHP cases)	5.81	13.16	12.59	11.99	10.19	9.52	9.57	7.83	7.17	6.34	7.43	4.46
	(% of referrals)	57.64	57.34	60.84	64.33	67.19	68.67	72.03	72.86	76.75	76.97	76.43	74.36

Completers (≥2 sessions)	(count)	675	2384	2492	2486	2716	2949	2723	2139	1819	1266	797	412
	(% of population)	0.27	0.81	0.96	0.83	0.77	0.82	0.84	0.70	0.53	0.44	0.33	0.19
	(% of CMHP cases)	1.93	5.30	5.06	4.84	4.30	4.06	4.07	3.44	3.30	2.90	3.34	2.03
	(% of referrals)	19.14	23.12	24.43	25.98	28.34	29.28	30.65	32.02	35.31	35.22	34.34	33.85
	(% of attenders)	33.20	40.32	40.16	40.39	42.19	42.64	42.55	43.94	46.00	45.75	44.93	45.52

Reliable improvement (achieving MCID)	(count)	263	884	983	994	1121	1269	1143	906	789	560	368	135
	(% of population)	0.10	0.30	0.38	0.33	0.32	0.35	0.35	0.29	0.23	0.20	0.15	0.06
	(% of CMHP cases)	0.75	1.97	2.00	1.94	1.77	1.75	1.71	1.46	1.43	1.28	1.54	0.67
	(% of referrals)	7.46	8.57	9.64	10.39	11.70	12.60	12.86	13.56	15.31	15.58	15.86	11.09
	(% of attenders)	12.94	14.95	15.84	16.15	17.41	18.35	17.86	18.61	19.95	20.24	20.74	14.92
	(% of completers)	38.96	37.08	39.45	39.98	41.27	43.03	41.98	42.36	43.38	44.23	46.17	32.77

CMHP = common mental health problem. MCID = minimal clinical important difference.