Duration and degree of weight change and risk of incident diabetes: Japan Epidemiology Collaboration on Occupational Health Study

We prospectively examined diabetes risk in association with a summary measure of degree and duration of weight change. The study participants were 51,777 employees from multiple companies in Japan, who were aged 30–59 years, free of diabetes at baseline, and followed up for 7 years (2008–2015). Exposure was cumulative body mass index (BMI)-years, which was defined as the area of BMI units above or below baseline BMI during follow-up, and was...