Long-term effectiveness of supported employment: 5-year follow-up of a randomized controlled trial

Hoffmann, Holger; Jäckel, Dorothea; Glauser, Sibylle; Mueser, Kim T; Kupper, Zeno (2014). Long-term effectiveness of supported employment: 5-year follow-up of a randomized controlled trial. American journal of psychiatry, 171(11), pp. 1183-1190. American Psychiatric Association 10.1176/appi.ajp.2014.13070857

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Objective

The individual placement and support model of supported employment has been shown to be more effective than other vocational approaches in improving competitive work over 1-2 years in persons with severe mental illness. The authors evaluated the longer-term effects of the model compared with traditional vocational rehabilitation over 5 years.

Method

A randomized controlled trial compared supported employment to traditional vocational rehabilitation in 100 unemployed persons with severe mental illness. Competitive work and hospital admissions were tracked for 5 years, and interviews were conducted at 2 and 5 years to assess recovery attitudes and quality of life. A cost-benefit analysis compared program and total treatment costs to earnings from competitive employment.

Results

The beneficial effects of supported employment on work at 2 years were sustained over the 5-year follow-up period. Participants in supported employment were more likely to obtain competitive work than those in traditional vocational rehabilitation (65% compared with 33%), worked more hours and weeks, earned more wages, and had longer job tenures. Reliance on supported employment services for retaining competitive work decreased from 2 years to 5 years for participants in supported employment. Participants were also significantly less likely to be hospitalized, had fewer psychiatric hospital admissions, and spent fewer days in the hospital. The social return on investment was higher for supported employment participants, whether calculated as the ratio of work earnings to vocational program costs or of work earnings to total vocational program and mental health treatment costs.

Conclusions

The results demonstrate that the greater effectiveness of supported employment in improving competitive work outcomes is sustained beyond 2 years and suggest that supported employment programs contribute to reduced hospitalizations and produce a higher social return on investment.

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