Snider et al developed a brief risk assessment for intimate partner violence that is based on 5 questions. This can help to identify a person at increased risk for severe injury or lethal assault. The authors are from St Michael's Hospial, University of Toronto, and the Johns Hopkins University.
Items:
(1) increase in frequency or severity of violence over the past 6 months (odds ratio 3.7)
(2) ever use or threaten to use a weapon (odds ratio 2.1)
(3) capable of killing (odds ratio 2.6)
(4) ever beaten while pregnant (odds ratio 2.2)
(5) violently and constantly jealous (odds ratio 3.0)
Response
Points
no
0
yes
1
total score =
= SUM(points for all 5 parameters)
Interpretation:
• minimum score: 0
• maximum score: 5
• A score >= 3 had a sensitivity of 83% and specificity 56%.
Performance:
• The area under the ROC curve is 0.79.
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