Thesis

120 Chapter 5 signed a DCIA confidentiality agreement to handle research data appropriately. Before filling in the survey, participants received information about the research project and confidentiality was emphasized. Participants gave informed consent, and agreed to voluntary participation, with the possibility to discontinue participation at any moment without specifying reasons. RESULTS Data was collected between October 2017 and September 2020: 459 participants completed the pre-measurement and the post-measurement was completed by 456 participants. In the pre-measurement, 45% of the participants were included in the intervention group (versus 55% in the control group), in the post-measurement 39% (versus 61%). Most participants were men and most were aged between 45 and 64 years. More about the characteristics of participants from the main analysis can be found in Table 1. The pre- and post-measurements could be linked for 163 participants (326 questionnaires out of the total of 915). The characteristics of these participants are presented in Appendix 7. Table 1. Characteristics of respondents Pre-measurement (n=459) Post-measurement (n=456) Control group Intervention group Control group Intervention group Discipline Healthcare professionals 15.5% (39) 11.1% (23) 12.9% (36) 11.8% (21) Correctional officers 22.7% (57) 20.3% (42) 25.2% (70) 15.7% (28) Case managers reintegration services 6.8% (17) 15.5% (32) 5.0% (14) 11.2% (20) Office staff reintegration services 6.4% (16) 6.8% (14) 6.1% (17) 9.0% (16) Security guards 20.7% (52) 12.6% (26) 19.1% (53) 11.2% (20) Middle management 11.2% (28) 11.1% (23) 10.8% (30) 15.7% (28) Labour instructors 11.2% (28) 13.5% (28) 14.7% (41) 14.0% (25) Management team 5.6% (14) 9.2% (19) 6.1% (17) 11.2% (20) Contact with prisoner No, never 3.6% (9) 2.9% (6) 3.6% (10) 2.2% (4) Yes 96.4% (243) 97.1% (201) 96.4% (268) 96.6% (172)

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