A cost-effectiveness analysis of a housing and recovery program for people with severe and persistent mental illnesses and precarious housing

Figures & data

Table 1. Doorway costs 2015–2018 (A$ nominal and A$ 2015–2016).

Costs	1-yearly	Multiplier	3-yearly	3 Year per capita costs based on 157^% participants
Housing Costs (excluding personnel)
Participant rental in advance	61,320	X1	61,320
Rental subsidy	133,120	X3	399,360
Landlord insurance	8500	X3	25,500
Surety fund	75,000	X1	75,000
Brokerage	75,000	X1	75,000
Lease, property licensing costs	120,984	X3	362,952
Corporate costs^A$	107,250	X3	321,750
Housing Sub-total	581,174		1,320,882	8,413
Personnel support costs
HRWs^%%	690,300	X3	2,070,900
Leading staff	234,992	X3	704,976
Corporate costs	35,750	X3	107,250
Personnel subtotal	961,042	X3	2,883,126	18,364
TOTAL	1,542,216		4,204,008	26,777
In 2015–2016 Dollars^#	1,52,6543		4,161,284	26,505

Notes:

^% Not all of the participants were housed, or in fact housed for the full 18 months period, 89 were housed generating 30,809 housed days (8966 non-housed days) and 68 were not housed at all (7734 days not housed).

^A$ Admin (corporate) costs of A$429,000 over 3 years allocated 75% to Housing (non-personnel) 25% to Personnel i.e. A$321,750 and A$107,250 respectively.

^%% HRW costs are A$17,000 per staff member. There were 5.9 FTE staff members including 0.6FTE funded by Wellways.

# Calculated using the General Government Final Consumption Expenditure (GGFCE) price deflator.

Table 2. Costs for Hospital admissions (2015–2016 A$) for whole Doorway program.

Type of admission	CONTROL (N = 80)			DOORWAY (N = 157)
Six monthly period	Number of admissions	Length of stay	Total cost (A$)	Number of admissions	Length of stay	Total cost (A$)
COMMUNITY
Period 1	5	86	43,901	13	432	220,527
Period 2	1	1	510	15	1061	541,619
Period 3*	3	68	34,713	11	547	279,233
Period 4	1	17	8,678	8	272	138,851
Period 5			–	3	32	16,335
Community Total	10	172	87,803	50	2344	1,196,565
ACUTE
Period 1	66	1402	1,272,029	22	466	577,181
Period 2	24	658	341,850	19	446	552,410
Period 3*	25	576	403,779	7	191	236,570
Period 4	16	236	308,408	7	90	111,473
Period 5	30	704	460,754	6	120	148,630
Acute Total	161	3575	2,786,820	61	1313	1,626,265
TOTAL
Period 1	71	1488	1,315,930	35	898	797,709
Period 2	25	659	342,360	34	1507	1,094,029
Period 3^%	28	644	438,492	18	738	515,803
Period 4	17	253	317,086	15	362	250,323
Period 5	30	704	460,754	9	152	164,966
TOTAL	171	3747	2,874,623	111	3657	2,822,830
Cost pre-Doorway (Periods 1,2)			1,658,290			1,891,738
Costs Intake to Exit (Periods 3,4,5)			1,216,333			931,092
Pre-post costs (savings)			441,958			960,646
Savings per participant			5524			11,860
Savings difference between Control and Doorway per participant						6335

Note: *First six months in the program for Doorway participants.

Figure 1. Cost-effectiveness acceptability curve for the Doorway compared with Treatment As usual.

Figure 2. Point estimate and confidence ellipses for the Doorway compared with Treatment As Usual.

Table

Period presentation type	CONTROL (N = 80)			DOORWAY (N = 157)
	Number of participants	Number of presentations	Total cost A$	Number of participants	Number of presentations	Total cost A$
PERIOD 1
Admitted		25	22,675		20	18,140
Missing		40	16,320		14	5712
Not admitted					11	4488
Sub-Total 1	80	65	38,995	74	45	28,340
PERIOD 2
Admitted		6	5442		14	12,698
Missing		17	6936		12	4896
Not admitted					7	2856
Sub-Total 2	68	23	12,378	74	33	20,450
PERIOD 3
Admitted		12	10,884		10	9070
Missing		23	9384		7	2856
Not admitted					5	2040
Sub-Total 3	61	35	20,268	74	22	13,966
PERIOD 4
Admitted		3	2721		6	5442
Missing		13	5304		9	3672
Not admitted					3	1224
Sub-Total 4	54	16	8025	60	18	10,338
PERIOD 5
Admitted		5	4535		2	1814
Missing		22	8976		2	816
Not admitted					1	408
Sub-Total 5	38	27	13,511	41	5	3038
TOTAL		166	93,177		123	76,132
Cost pre Doorway (Periods 1,2)			51,373			48,790
Costs Intake to Exit (Periods 3,4,5)			41,804			27,342
Pre-Post Costs (Savings)			9569			21,448
Savings per participant			120			265
Savings difference in favor of Doorway						145