$\mathit{IPV}=\left\{\begin{array}{c}\mathit{No}\mathit{\text{if}},y=0\\ \mathit{Yes}\mathit{\text{if}},1\le y\le 13\end{array}\right.$

$\mathit{EV}=\left\{\begin{array}{c}\mathit{No}\mathit{\text{if}},y=0\\ \mathit{Yes}\mathit{\text{if}},1\le y\le 3\end{array}\right.$

$\mathit{PV}=\left\{\begin{array}{c}\mathit{No}\mathit{\text{if}},y=0\\ \mathit{Yes}\mathit{\text{if}},1\le y\le 7\end{array}\right.$

$\mathit{SV}=\left\{\begin{array}{c}\mathit{No}\mathit{\text{if}},y=0\\ \mathit{Yes}\mathit{\text{if}},1\le y\le 3\end{array}\right.$

Where “y” is the number of items of violence previously experienced