Table 1.
Parameter | Base case value | Lower limit | Upper limit | Distribution | Source |
Probabilities | |||||
Proportion of people experiencing abuse—all ages | 0.055 | 0.038 | 0.106 | Beta | Adjusted estimate* |
Prevalence of DVA in adults (males and females)—aged 16–90+ years | 0.055 | 0.036 | 0.073 | Beta | 14 |
Prevalence of children exposed to DVA | 0.080 | 0.040 | 0.140 | Beta | 24 |
Starting distribution for those experiencing abuse—all ages | |||||
Abused and identified, seeing advocate | 0.003 | 0 | 0.0066 | Uniform | † |
Abused and identified, not seeing advocate | 0.033 | 0 | 0.0660 | Uniform | † |
Abused but not identified | 0.964 | – | – | Uniform | Complement |
Transition probabilities—intervention and control | |||||
Not abused to abused but not identified | 0.0037 | 0.0004 | 0.0106 | Dirichlet | † |
Not abused to dead | 0.0052 | 0.0027 | 0.0087 | Dirichlet | 14 |
Stay in not abused | 0.9911 | – | – | Dirichlet | Complement |
Abused and identified, seeing advocate to not abused | 0.1408 | 0.0707 | 0.2301 | Dirichlet | 27 |
Abused and identified, seeing advocate to dead | 0.0052 | 0.0000 | 0.0299 | Dirichlet | 14 |
Stay in Abused and identified, seeing advocate | 0.8540 | – | – | Dirichlet | Complement |
Abused and identified, not seeing advocate to not abused | 0.0781 | 0.0136 | 0.1912 | Dirichlet | 27 |
Abused and identified, not seeing advocate to dead | 0.0052 | 0.0000 | 0.0424 | Dirichlet | 14 |
Stay in abused and identified, not seeing advocate | 0.9167 | – | – | Dirichlet | Complement |
Transition probabilities—intervention | |||||
Abused but not identified to not abused | 0.0500 | 0.0412 | 0.0596 | Dirichlet | † |
Abused but not identified to abused and identified, not seeing advocate | 0.0374 | 0.0298 | 0.0458 | Dirichlet | IRIS+ data |
Abused but not identified to abused and identified, seeing advocate | 0.0312 | 0.0243 | 0.0390 | Dirichlet | IRIS+ data |
Abused but not identified to dead | 0.0055 | 0.0029 | 0.0091 | Dirichlet | 14 |
Stay in abused but not identified | 0.8762 | – | – | Dirichlet | Complement |
Transition probabilities—control | |||||
Abused but not identified to not abused | 0.0500 | 0.0412 | 0.0596 | Dirichlet | † |
Abused but not identified to abused and identified, not seeing advocate | 0.0091 | 0.0055 | 0.0135 | Dirichlet | IRIS data |
Abused but not identified to abused and identified, seeing advocate | 0.0226 | 0.0168 | 0.0293 | Dirichlet | IRIS data |
Abused but not identified to dead | 0.0055 | 0.0029 | 0.0091 | Dirichlet | 14 |
Stay in abused but not identified | 0.9131 | – | – | Dirichlet | Complement |
*Weighted average for adults and children.
†Internal calculation based on model calibration.
DVA, domestic violence/abuse; IRIS+, Identification and Referral to Improve Safety plus.