BMI in Evaluating Obesity of Contemporary College Students

: Background: Changes in lifestyle and reduction in physical activity have led to a continuous increase in the number of obese people in my country, but the criteria for determining obesity are different. Body mass index (BMI) is the most commonly used indicator for obesity research. Objective: To evaluate the authenticity, reliability and profitability of the obesity determination standard of body mass index (BMI) of college students, using the body fat rate obesity determination standard proposed by the National Center for Disease Control and Prevention as the gold standard, and to discuss BMI as a diagnostic performance and suitable cut-off value for excess body fat percentage. Methods: 1208 college students (557 males and 651 females) were tested, the height and weight were measured to calculate BMI, and the electrical impedance method was used to measure the percentage of body fat (BF%) and the ROC curve cutoff value to construct the BMI obesity diagnosis. standard. Results: The authenticity evaluation of BMI as an obesity screening