Four clusters and eight groups defined by bullying and current violence from adult family members.

Abbreviation: CVA; current violence from adult family members; Group 1) uninvolved in bullying without CVA; Group 2) uninvolved in bullying with CVA; Group 3) bullies without CVA; Group 4) bullies with CVA; Group 5) victims without CVA; Group 6) victims with CVA; Group 7) bully-victims without CVA; Group 8) bully-victims with CVA.