This is a prospective matched cluster randomised controlled trial. All SMEs have been randomly sorted into either the in clinical trials

The Supply chain Health INitiative Evaluation (SHINE) study protocol: Evaluating health and wellbeing services delivered through the supply chain.

This study looks at how larger companies can help smaller businesses offer health and wellbeing services to their staff. It aims to see if this approach improves employee health and work happiness, and if smaller businesses would be willing to pay for these services.