The rising prevalence of obesity in military personnel has raised great concerns. Previous studies suggest that body mass index (BMI)- and waist-to-hip ratio (WHR)-based obesity classifications in US military personnel and firefighters have high false negative and subsequently cause obesity misclassifi...
more people come to the cities. For example, an increasing number of young people find jobs and settle down in cities, leading to the urbanization of the rural places. Therefore, the share of urban population has been on rise for years. ...