Table 1.

Mean health and social care costs (£, 2003) for 6-month period at T0, T1, T2, and T3

		IPS			Vocational services			Difference between IPS and vocational servicesa
	Time	N	Mean	SD	Valid N	Mean	SD	Mean	95% CI
Accommodation	0	156	822	4612	156	928	4801	−107	−1141, 946
	1	141	531	1952	130	391	1389	146	−222, 523
	2	133	499	1821	130	523	1977	−23	−479, 438
	3	132	536	1981	120	748	2165	−206	−715, 311
Inpatient services	0	156	6034	10,575	156	5007	10,044	1027	−1121, 3293
	1	141	1861	6830	130	4056	9737	−2580	−4335, −717
	2	133	2499	7951	130	3222	8490	−1253	−3126, 696
	3	132	3441	10,915	120	3475	9176	−606	−2837, 1640
Outpatient services	0	156	442	1415	156	269	1137	172	−119, 423
	1	141	296	1189	130	132	644	161	−40, 396
	2	133	107	467	130	105	637	3	−139, 128
	3	132	242	1314	120	41	183	199	18, 455
Community−based services	0	156	512	1531	156	480	1388	32	−273, 353
	1	141	605	1475	130	626	1484	1	−285, 286
	2	133	543	1546	130	544	1241	19	−274, 348
	3	132	911	3006	120	498	1626	417	−156, 1027
Community−based professions	0	156	977	1437	156	811	1182	166	−132, 467
	1	141	835	1233	130	1198	2960	−464	−1036, 13
	2	133	1073	4435	130	706	1172	355	−219, 1237
	3	132	834	1643	120	790	1352	−11	−377, 355
Medication	0	156	483	490	156	502	596	−19	−144, 103
	1	141	559	538	130	522	569	49	−50, 156
	2	133	520	613	128	522	604	22	−99, 155
	3	132	624	756	120	700	935	−62	−254, 117
Total (excl. intervention cost)	0	156	9269	10,980	156	7998	10,991	1271	−994, 3661
	1	141	4688	7236	130	6926	10,417	−2720	−4624, −813
	2	133	5241	9428	128	5694	9460	−960	−3228, 1443
	3	132	6589	12,560	120	6253	9905	−319	−2781, 2336

IPS – Individual Placement and Support

^aBased on bootstrapped linear regression of group upon cost (1000 repetitions)

T1, T2, and T3 mean differences are adjusted for baseline estimate of relevant cost component