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Trial registered on ANZCTR
Registration number
ACTRN12619001058167
Ethics application status
Approved
Date submitted
23/05/2019
Date registered
29/07/2019
Date last updated
29/07/2019
Date data sharing statement initially provided
29/07/2019
Type of registration
Retrospectively registered
Titles & IDs
Public title
Aboriginal and non-Aboriginal women perpetrators of violence: a trial of a prison-based intervention (Beyond Violence)
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Scientific title
A trial of a prison-based intervention (Beyond Violence) to reduce re-offending in Aboriginal and non-Aboriginal women.
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Secondary ID [1]
296881
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APP1108115
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
violence
310813
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substance abuse
310814
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mental health
310815
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Condition category
Condition code
Public Health
309487
309487
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0
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Health service research
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Mental Health
309488
309488
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0
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Addiction
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Mental Health
309489
309489
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0
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Depression
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Mental Health
309490
309490
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0
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Other mental health disorders
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Beyond Violence (BV) is an evidence-based intensive program developed specifically for female violent offenders to target co-morbid substance use disorder, post-traumatic stress disorder and women’s experiences and perpetration of violence. The BV treatment employs trauma theory as a basis for the intervention.
A manualised intervention, BV is a tertiary prevention program which utilises a multi-level approach through a variety of evidence-based therapeutic strategies (i.e. psycho-education, role playing, mindfulness activities, cognitive-behavioural restructuring, and grounding skills for trauma triggers) to address issues of mental health, substance abuse, trauma histories, and anger regulation.
BV is an intensive program run over 20 x 2 hour sessions, delivered face-to-face in prison in groups of 8-10 (INTERVENTION GROUP). The intervention is provided by two co-facilitators (one Aboriginal and one non-Aboriginal woman). Facilitators will record session attendance and make brief clinical notes. To measure satisfaction with treatment, at the end of each session, participants complete a survey to assess the helpfulness of session components and satisfaction levels.
Recruitment to the intervention will occur through identification of potentially eligible participants from administrative databases of offenders, and self-referral (word-of-mouth, posters displayed in prison clinics). Allocation to the treatment group will occur on a first come basis.
The CONTROL GROUP will comprise women who meet the inclusion criteria who may participate in other programs offered in the prison setting (i.e. ‘Treatment as usual’ (TAU)) but do not receive the intervention. To avoid contamination we will initially recruit controls over one year then, over the following year, recruit for and administer the intervention at the same sites.
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Intervention code [1]
313156
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Treatment: Other
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Intervention code [2]
314741
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Behaviour
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Comparator / control treatment
The control group will comprise women who meet the inclusion criteria, who may participate in other programs offered in the prison setting (i.e. ‘Treatment as usual’).
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Control group
Active
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Outcomes
Primary outcome [1]
308446
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Re-offending within 15 months post-release defined as a conviction (which could include re-incarceration) for any offence. The primary endpoint (re-offending) will be determined objectively from court record outcomes of convictions obtained from administrative data collections.
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Assessment method [1]
308446
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Timepoint [1]
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Re-offending will be assessed 15 months post-release from prison.
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Secondary outcome [1]
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Depression (Beck Depression Inventory)
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Assessment method [1]
354983
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Timepoint [1]
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Assessed at baseline, 3 months, 9 months and 15 months.
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Secondary outcome [2]
371758
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PTSD (Posttraumatic Stress Disorder Checklist),
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Assessment method [2]
371758
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Timepoint [2]
371758
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Assessed at baseline, 3 months, 9 months and 15 months.
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Secondary outcome [3]
371760
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Anger (Anger Irritability and Aggression Questionnaire),
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Assessment method [3]
371760
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Timepoint [3]
371760
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Assessed at baseline, 3 months, 9 months and 15 months.
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Secondary outcome [4]
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Substance use/dependence (Alcohol Use Disorder Identification Test).
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Assessment method [4]
371761
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Timepoint [4]
371761
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Assessed at baseline, 3 months, 9 months and 15 months.
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Secondary outcome [5]
372931
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Impulsivity (Barratt Impulsiveness Scale-11)
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Assessment method [5]
372931
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Timepoint [5]
372931
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Assessed at baseline, 3 months, 9 months and 15 months.
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Eligibility
Key inclusion criteria
Adult Women, aged 18 and above; at least one conviction for a violent offence (current and/or historical); minimum of 3 months of their sentence remaining (for the intervention arm) and no more than 6 months left to serve; medium to high-risk offenders (LS/RNR); able to provide informed consent; willingness to be re-interviewed at 6, 12 and 24 months post-release; willingness to allow follow-up using data-linkage of offending records; able to provide future contact details for community follow-up.
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Females
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Can healthy volunteers participate?
No
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Key exclusion criteria
Severe active mental illness or profound cognitive impairment; conviction for sex-related violent offences only; inability to communicate in English; deportation on release or release to very remote areas.
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Non-randomised trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Other
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Other design features
The proposed study is a before-and-after trial, conducted over five years designed to measure the effectiveness of the multi-component violence prevention intervention among female offenders with a current and/or historical violent offences.
Contamination: Passage of intervention material to contemporaneous control prisoners within the same prison as the intervention group could, by providing a diluted form of the intervention to ‘controls’, bias the study and lead to a systematic underestimation of the true effect size. To avoid contamination as described by Zlotnick (2009), we will initially recruit controls over one year then, over the following year, recruit for and administer the intervention at the same sites.
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Phase
Not Applicable
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Type of endpoint/s
Efficacy
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Statistical methods / analysis
Primary outcome: The incidence rates of reoffending, the primary endpoint of interest, will be calculated and compared between two arms. For each member of the cohort, person-years at risk will be measured from the start date of release until the date of first offence. Kaplan-Meier methods will be used to assess the cumulative probability of offending after release. We will use Cox proportional hazard models to assess factors associated with offending. We will use an ‘intent-to-continue-treatment’ approach. A similar approach will be adopted for offences resulting in re-incarceration, a secondary outcome.
Secondary outcome: Repeated measure linear mixed models, with unstructured covariance matrix for random effects will be used to assess mental health and substance use responses to intervention during different time periods. By considering individual random slopes and intercepts, this model allows one to examine the influence of covariates over time. We also use an unstructured covariance matrix for random effects, allowing a correlation between the individual baseline level and the slopes for the mental health measures.
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Recruitment
Recruitment status
Recruiting
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Date of first participant enrolment
Anticipated
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Actual
1/11/2017
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
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Sample size
Target
207
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Accrual to date
108
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Final
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Recruitment in Australia
Recruitment state(s)
NSW,WA
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Recruitment postcode(s) [1]
26099
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6102 - Bentley
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Recruitment postcode(s) [2]
26100
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6055 - West Swan
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Recruitment postcode(s) [3]
26101
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6718 - Roebourne
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Funding & Sponsors
Funding source category [1]
301452
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Government body
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Name [1]
301452
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National Health and Medical Research Council
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Address [1]
301452
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National Health and Medical Research Council
GPO Box 1421
Canberra ACT 2601
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Country [1]
301452
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Australia
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Primary sponsor type
University
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Name
University of New South Wales
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Address
University of New South Wales
UNSW Australia
Kensington NSW 2052
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Country
Australia
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Secondary sponsor category [1]
301142
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None
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Name [1]
301142
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Address [1]
301142
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Country [1]
301142
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
303002
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Curtin University Human Research Ethics Committee
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Ethics committee address [1]
303002
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GPO Box U1987, Perth WA 6845
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Ethics committee country [1]
303002
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Australia
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Date submitted for ethics approval [1]
303002
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06/05/2016
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Approval date [1]
303002
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12/05/2016
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Ethics approval number [1]
303002
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HR88/2016
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Ethics committee name [2]
303003
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West Australian Aboriginal Health Ethics Committee
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Ethics committee address [2]
303003
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450 Beaufort Street, Highgate, Perth WA 6003
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Ethics committee country [2]
303003
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Australia
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Date submitted for ethics approval [2]
303003
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21/03/2016
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Approval date [2]
303003
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06/04/2016
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Ethics approval number [2]
303003
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HREC 704
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Ethics committee name [3]
303004
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Department of Corrective Services
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Ethics committee address [3]
303004
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GPO Box F317 PERTH WA 6841
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Ethics committee country [3]
303004
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Australia
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Date submitted for ethics approval [3]
303004
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03/05/2016
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Approval date [3]
303004
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27/01/2017
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Ethics approval number [3]
303004
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Project ID - 395
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Ethics committee name [4]
303009
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NSW Aboriginal Health and Medical Research Council
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Ethics committee address [4]
303009
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PO Box 1565 Strawberry Hills NSW 2012
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Ethics committee country [4]
303009
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Australia
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Date submitted for ethics approval [4]
303009
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16/10/2018
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Approval date [4]
303009
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Ethics approval number [4]
303009
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Ethics committee name [5]
303010
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Corrective Services NSW
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Ethics committee address [5]
303010
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GPO Box 31 SYDNEY NSW 2001
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Ethics committee country [5]
303010
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Australia
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Date submitted for ethics approval [5]
303010
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25/10/2017
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Approval date [5]
303010
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Ethics approval number [5]
303010
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Summary
Brief summary
While women comprise a small (8%), but rapidly growing segment of the prisoner population, 57% of incarcerated Aboriginal women were incarcerated for a violent offence, much higher than for non-Aboriginal women (33%). Violent women offenders pose a significant challenge to custodial authorities as they have more complex physical and mental health needs than men. The study aims to determine the effectiveness of a targeted substance, mental health and violence intervention (Beyond Violence) in reducing re-offending at 24 months among Aboriginal and non-Aboriginal women with convictions for a violent offence.
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Trial website
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Prof Tony Butler
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Address
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Level 6, Wallace Wurth Building
High Street, UNSW Australia
Kensington NSW 2052
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Country
89410
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Australia
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Phone
89410
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+61 (2) 9385 9257
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Fax
89410
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Email
89410
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[email protected]
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Contact person for public queries
Name
89411
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Tony Butler
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Address
89411
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Level 6, Wallace Wurth Building
High Street, UNSW Australia
Kensington NSW 2052
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Country
89411
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Australia
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Phone
89411
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+61 (2) 9385 9257
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Fax
89411
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Email
89411
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[email protected]
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Contact person for scientific queries
Name
89412
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Tony Butler
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Address
89412
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Level 6, Wallace Wurth Building
High Street, UNSW Australia
Kensington NSW 2052
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Country
89412
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Australia
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Phone
89412
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+61 (2) 9385 9257
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Fax
89412
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Email
89412
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[email protected]
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Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
No
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No/undecided IPD sharing reason/comment
The data being collected are very sensitive and as such cannot be released to the public.
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What supporting documents are/will be available?
No Supporting Document Provided
Doc. No.
Type
Citation
Link
Email
Other Details
Attachment
2989
Ethical approval
[email protected]
2990
Study protocol
[email protected]
Results publications and other study-related documents
Documents added manually
No documents have been uploaded by study researchers.
Documents added automatically
No additional documents have been identified.
Download to PDF