Prevalance

Question 1

% of those held in police custody with a mental disorder

Answer 1

39%

Question 2

Psychotic disorders in prisons

Answer 2

10 times higher than the general population

Question 3

Conviction rates

Answer 3

M:F = 5:1

Peak rates 18-20 in males, 2-3 years earlier for females

Question 4

Stalking

Answer 4

1 in 50 cases reported
1 in 435 charged
1 in 556 prosecuted
1 in 1000 convicted

Question 5

Discharge from medium secure unit

Answer 5

1 in 6 men will be convicted of a violent crime within 5 years (reoffending is 1 in 3)

Reconviction rate for any offence within 2 years is 15%

25% will be readmitted within 12 months

Question 6

Discharge from high-secure unit

Answer 6

At least 20% will never live in the community in the 10 years following discharge

At least 15% will be convicted of another serious crime

Question 7

Psychiatrists

Answer 7

1 in 10 stalked

30% report harassment

Question 8

Elderly prisoners

Answer 8

> 50% have a mental illness (most commonly depression, psychoses and anxiety disorders)

Depression rate is 30%

Question 9

DV

Answer 9

<25% reported to the police

70% of victims are women, 30% are men

Question 10

Homicide

Answer 10

10% have a mental illness (mainly schizophrenia) at time off offence

Question 11

Indecent exposure

Answer 11

Most don’t re offend

20-30% re offend

Question 12

Violent crimes attributable to psychosis

Answer 12

5% (1 in 20)

Question 13

Elderly sex offenders

Answer 13

33% have a PD

Most commonly - schizoid, obsessive-compulsive, avoidant

Question 14

Homicide

Answer 14

30% have a mental disorder - within this 18% schizophrenia, 18% affective disorder, 18% substance / alcohol misuse, 27% PD

Question 15

Proportion of shoplifters that will re offend after conviction

Answer 15

10%

Question 16

Proportion of prisoners that will self harm during their prison sentence

Answer 16

10%

Question 17

Lifetime rate of any mental health illness in perpetrators of homicide

Answer 17

30%

Question 18

Proportion of homicide perpetrators with a primary diagnosis of PD that received a prison sentence

Answer 18

9%

Question 19

Proportion of homicide perpetrators with a primary diagnosis of PD that had no contact with mental health services the year before

Answer 19

7%

Question 20

% of PD patients had no other psychiatric disorder at the time of committing the homicide

Answer 20

45%

Question 21

Proportion of homicide perpetrators with a history of a mental disorder have ‘PD’ as their primary diagnosis

Answer 21

25-30%

Question 22

Prison psychiatry

Answer 22

90% have at least one mental or substance disorder

Personality disorder in 2/3 of prisoners

Anxiety / depression in 1/2

Psychosis 1 in 12