“…By including a wide range of job types, such as manufacturing, services, and professional sectors, researchers can capture variations in working conditions, job demands, and exposure to working time variation, enhancing the generalizability of the findings and allowing for a comprehensive understanding of the relationship. Third, China's unique cultural and social context adds depth to the study of the association between working time variation and mental health ( Nawakitphaitoon & Tang, 2020 ; Wu, 2019 ). Traditional cultural values, such as strong work ethic and family-oriented priorities, may influence individuals' perceptions of working time variation and its impact on their mental well-being.…”