To explore the mediating role of visceral adiposity, as assessed by the visceral adiposity index (VAI), in the relationship among schooling, physical inactivity, and unhealthy metabolic phenotype (UMP).

中文翻译：

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内脏肥胖在上学，缺乏运动和不健康的代谢表型之间的关系中起中介作用。

探讨内脏肥胖指数（VAI）评估的内脏肥胖在学校教育，身体不活动和不健康代谢表型（UMP）之间的关系中的中介作用。