Fig. 1: Study design.
From: Trajectories of healthy lifestyle index and prediabetes risk of adult workers in Japan

Health-related lifestyles were assessed from 2006 to 2009 to determine the trajectories of health-related lifestyles over 3 years among participants without prediabetes and diabetes in 2009. Occurrence of prediabetes was assessed from 2010 to 2017 using annual health checkup data.