Fig. 2

Probabilistic sensitivity analysis results including incremental cost-effectiveness scatterplot and iterations cost-effective at different willingness-to-pay values. Legend: Probabilistic Sensitivity Analysis run with 1000 iterations. Incremental cost-effectiveness scatter plot (a) displays incremental costs and effectiveness of intervention compared to usual care for each iteration; the oval captures 95% of iterations. Part (b) displays the % of iterations for which control or intervention conditions were more cost-effective, at willingness-to-pay values (values a funder may be willing to pay for each carer reporting a two-point improvement in preparedness to care) from $AUD0 to $AUD5,000