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Published in: BMC Psychiatry 1/2015

Open Access 01-12-2015 | Study protocol

Employment of ex-prisoners with mental health problems, a realistic evaluation protocol

Authors: Ian S. Hamilton, Justine Schneider, Eddie Kane, Melanie Jordan

Published in: BMC Psychiatry | Issue 1/2015

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Abstract

Background

Offenders with a mental illness are routinely excluded from vocational services due to their mental health. Employment has shown to be very important in improving mental health, reducing recidivism, and connecting people to society. This study examines the effectiveness of an established intervention which is relatively untested in this population, Individual Placement and Support (IPS), to help offenders with mental health problems into competitive employment. The overall research question is whether IPS is effective in gaining and sustaining competitive employment for offenders with a Severe Mental Illness (SMI). The context is an English criminal justice setting across different populations. The study will also measure non-vocational outcomes such as recidivism, mental health and social stability.

Methods/Design

A Realistic Evaluation (RE) design will address the questions “What works, for whom, and in what circumstances?” This study includes pre and post comparisons for a cohort of approximately 20 people taking part in IPS, and a similar number of controls, over a one year period. The RE also consists of interviews with practitioners and offenders in order to understand how IPS works and develops within the criminal justice system (CJS). By applying this framework the research can go from discovering whether IPS works, to how and why (or why not) IPS works. This is achieved by examining where the intervention is occurring (Context (C)), the mechanisms (M) that create particular behaviours, and how the outcomes (O) from the intervention all come together (CMOs). Employment outcomes will also be examined for all participants.

Discussion

By applying RE the research will permit inferences to be drawn about how and why (or why not) IPS works, by examining context, mechanisms and outcomes. IPS has never been implemented within the CJS in the United Kingdom. As a result, this evaluative research will not only provide a novel insight into the core research areas, but also how the intervention can be improved for others in the future.
Footnotes
1
The primary outcome measure for the current study is more than or equal to one day worked in paid employment. As a result of this binary measure, a Chi-square analysis is required. In line with the estimation and previous research detailed above proportion two, participants not on IPS, equates to 0.33 (25/75), and proportion one, participants on IPS, equates to 0.64 (39/61). Thus, a full study sample size of 34 (IPS) compared against a sample size of 34 (No IPS) at 6 and 12 month intervals, concerning more than or equal to one day worked in paid employment, would have the power (.80) and critical z score = 1.645 [40].
 
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Metadata
Title
Employment of ex-prisoners with mental health problems, a realistic evaluation protocol
Authors
Ian S. Hamilton
Justine Schneider
Eddie Kane
Melanie Jordan
Publication date
01-12-2015
Publisher
BioMed Central
Published in
BMC Psychiatry / Issue 1/2015
Electronic ISSN: 1471-244X
DOI
https://doi.org/10.1186/s12888-015-0553-3

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