Change in Body Mass Index Associated With Lowest Mortality in Denmark, 1976-2013

Research has shown a U-shaped pattern in the association of body mass index (BMI) with mortality. Although average BMI has increased over time in most countries, the prevalence of cardiovascular risk factors may also be decreasing among obese individuals over time. Thus, the BMI associated with lowest all-cause mortality may have changed.To determine whether the BMI value that is associated with the lowest all-cause mortality has increased in...