Hazard ratios and 95% confidence intervals for risk of death by BMI category.

aModels use attained age as the underlying time metric and were adjusted for sex and study.bModels use attained age as the underlying time metric, and are adjusted for sex, race/ethnicity (white [all participants in the Swedish and Australian cohorts were coded as white], black, Asian/Pacific Islander, Hispanic, other/unknown), education (high school or less, post–high school, college, unknown), alcohol intake (grams of ethanol per day: 0, >0 to cUsing BMI = 40.0–44.9 kg/m2 as the reference group.