“…Regulators in Shanghai, China, have introduced relevant policies (e.g., setting content, age, and price limits, publishing probability disclosures, avoiding overmarketing, and implementing "pity mechanics") that indicate blind box engagement may relate to gambling since blind box engagement could incur increased economic pressure and even debt on some occasions, suggesting the current situation warrants further guidance and regulations. 28 The association between gambling and suicide has been well underscored by previous research, 2,7,29 we hypothesised that blind box engagement shares a similar psychological mechanism as gambling. Therefore, this study aims to explore: 1) whether blind box overengagement is associated with suicide risk; 2) whether there are gender differences within the relationship between blind box engagement and suicide risk.…”