Fig. 3

Weighted restricted cubic spline regression of BRI and BMI with all-cause mortality. Notes: The adjusted restricted cubic spline model was adjusted for age, sex, race, marital status, education, poverty-to-income ratio, drinking, smoking, total energy intake, weekly physical activity level, hyperlipidemia, DM, arthritis, CVD, thyroid problems, liver problem, hypertension, CKD, and cancer. DM, diabetes; CVD, cardiovascular disease; CKD, chronic kidney disease; BRI, body roundness index; BMI, body mass index