Table 2.

Model input parameters: utilities and costs

Parameter	Base case value	Lower limit	Upper limit	Distribution	Source
Utilities
Not abused (adults)	0.850	0.840	0.860	Beta	31
Not abused (children)	0.950	0.940	0.959	Beta	31
Abused but not identified (women)	0.656	0.522	0.749	Beta	Assumption
Abused but not identified (men)	0.626	0.500	0.744	Beta	Assumption
Abused but not identified (children)	0.801	0.623	0.932	Beta	Assumption
Abused and identified, seeing advocate (women)	0.659	0.518	0.782	Beta	IRIS+ data
Abused and identified, seeing advocate (men)	0.701	0.555	0.828	Beta	IRIS+ data
Abused and identified, seeing advocate (children)	0.804	0.625	0.935	Beta	IRIS+ data
Abused and identified, not seeing advocate (women)	0.656	0.522	0.749	Beta	IRIS+ data
Abused and identified, not seeing advocate (men)	0.626	0.500	0.744	Beta	IRIS+ data
Abused and identified, not seeing advocate (children)	0.801	0.623	0.932	Beta	IRIS+ data
Costs (2019/2020£)
Costs of the intervention, per patient exposed to DV, per 6 months	£0.75	£0.02	£2.73	Gamma	IRIS+ budget
Cost of onward referral, once	£658	£11	£1908	Gamma	IRIS+ data and IRIS data
Cost of Abused but not identified (weighted average–exposed population)	£4276	£108	£15 774	Gamma	Weighted average*
Cost of abused but not identified (adults)	£4858	£123	£17 919	Gamma	35
Cost of abused but not identified (children)	£1950	£1000	£2500	Gamma	20
Weighted costs abused and identified, seeing advocate	1	0.75	1.25	Gamma	Assumption
Weighted costsabused and identified, not seeing advocate	1	0.9	1.1	Gamma	Assumption

Costs are in 2019/2020 UK£.

*Excludes the cost of harms, which in this modelled are measured as benefits.

DV, domestic violence.