No incidents 7,582 30.0 17,671 70.0 Alcohol use definite At least one incident 6,636 54.2 5,611 45.8 <.0001 No incidents 8,678 33.6 17,182 66.4 Drug use possible At least one incident 8,949 68.3 4,155 31.7 <.0001 No incidents 6,365 25.5 18,638 74.5 Drug use definite At least one incident 4,972 80.0 1,242 20.0 <.0001 No incidents 10,342 32.4 21,551 67.6 Table 4. Perpetrator risk factors (historical) recorded at family incidents involving generalist and specialist perpetrators, October 2011 to September 2016 Generalist Perpetrator Specialist Perpetrator n % n % p History of any violent behaviour At least one incident 5,305 72.9 1,976 27.1 <.0001 No incidents 10,009 32.5 20,817 67.5 History of choking AFM At least one incident 976 75.7 313 24.3 <.0001 No incidents 14,338 38.9 22,480 61.1 History of sexually assaulting AFM 320 59.9 214 40.1 <.0001 At least one incident 14,994 39.9 22,579 60.1 No incidents History of controlling behaviour At least one incident 4,827 66.0 2,490 34.0 <.0001 No incidents 10,487 34.1 20,303 65.9 History of stalking AFM At least one incident 920 75.0 307 25.0 <.0001 No incidents 14,394 39.0 22,486 61.0 History of firearms 173 83.6 34 16.4 <.0001 At least one incident 15,141 40.0 22,759 60.0
No incidents 7,582 30.0 17,671 70.0 Alcohol use definite At least one incident No incidents 6,636 8,678 54.2 33.6 5,611 17,182 45.8 66.4 <.0001 Drug use possible At least one incident No incidents 8,949 6,365 68.3 25.5 4,155 18,638 31.7 74.5 <.0001 Drug use definite At least one incident No incidents 4,972 10,342 80.0 32.4 1,242 21,551 20.0 67.6 <.0001 Table 4. Perpetrator risk factors (historical) recorded at family incidents involving generalist and specialist perpetrators, October 2011 to September 2016 Generalist Perpetrator Specialist Perpetrator n % n % p History of any violent behaviour At least one incident No incidents 5,305 10,009 72.9 32.5 1,976 20,817 27.1 67.5 <.0001 History of choking AFM At least one incident No incidents 976 14,338 75.7 38.9 313 22,480 24.3 61.1 <.0001 History of sexually assaulting AFM At least one incident No incidents 320 14,994 59.9 39.9 214 22,579 40.1 60.1 <.0001 History of controlling behaviour At least one incident No incidents 4,827 10,487 66.0 34.1 2,490 20,303 34.0 65.9 <.0001 History of stalking AFM At least one incident No incidents 920 14,394 75.0 39.0 307 22,486 25.0 61.0 <.0001 History of firearms At least one incident 173 15,141 83.6 40.0 34 22,759 16.4 60.0 <.0001