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Systematic review evaluates effects of interventions on mental health and work performance, suggesting more conditions are needed for effectiveness.
This study did not confirm that POIs had a statistically significant effect on mental health or work performance. However, several studies that reported favorable results tended to emphasize active and structured participation, alignment with workers' needs, and attention to organizational context. Further research is needed to identify the conditions under which the interventions are effective. Trial registration: The study protocol was registered at the UMIN registry (registration number: UMIN000049453).
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Sakuraya et al. (2026) studied this question.
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