Impact of overweight or obesity trajectory on health expenditure in Korea

Background This study aimed to identify the effect of the overweight or obesity (OWOB) trajectory on current health care expenditure in South Korea. Methods Ten years of publicly released data (2002–12) were obtained in 2016 from a retrospective cohort of National Health Insurance System claims. This study included 51,844 adults (aged 30–59 years in 2002) and 21,196 elderly adults (aged ≥ 60 years in 2002). Results Compared with adults who...