期刊
BRITISH JOURNAL OF PSYCHIATRY
卷 214, 期 2, 页码 63-73出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1192/bjp.2018.167
关键词
Schizophrenia; psychosis; antipsychotic; obesity; overweight; exercise; healthy diet; lifestyle; cost benefit analysis
类别
资金
- National Institute for Health Research (NIHR) Health Technology Assessment programme [12/28/05]
Background Obesity is a major challenge for people with schizophrenia. Aims We assessed whether STEPWISE, a theory-based, group structured lifestyle education programme could support weight reduction in people with schizophrenia. Method In this randomised controlled trial (study registration: ISRCTN19447796), we recruited adults with schizophrenia, schizoaffective disorder or first-episode psychosis from ten mental health organisations in England. Participants were randomly allocated to the STEPWISE intervention or treatment as usual. The 12-month intervention comprised four 2.5 h weekly group sessions, followed by 2-weekly maintenance contact and group sessions at 4, 7 and 10 months. The primary outcome was weight change after 12 months. Key secondary outcomes included diet, physical activity, biomedical measures and patient-related outcome measures. Cost-effectiveness was assessed and a mixed-methods process evaluation was included. Results Between 10 March 2015 and 31 March 2016, we recruited 414 people (intervention 208, usual care 206) with 341 (84.4%) participants completing the trial. At 12 months, weight reduction did not differ between groups (mean difference 0.0 kg, 95% CI -1.6 to 1.7, P = 0.963); physical activity, dietary intake and biochemical measures were unchanged. STEPWISE was well-received by participants and facilitators. The healthcare perspective incremental cost-effectiveness ratio was 246 pound 921 per quality-adjusted life-year gained. Conclusions Participants were successfully recruited and retained, indicating a strong interest in weight interventions; however, the STEPWISE intervention was neither clinically nor cost-effective. Further research is needed to determine how to manage overweight and obesity in people with schizophrenia.
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