Table 3. Adjusted HR of All-Cause Mortality According to the Quantiles of Body Roundness Index^a .

Weibull Regression Model	HR (95% CI)
	Q1: 1.05 to <3.41	Q2: 3.41 to <4.45	Q3: 4.45 to <5.46	Q4: 5.46 to <6.91	Q5: ≥6.91
Without adjustment	0.57 (0.49-0.67)b	0.81 (0.69-0.95)c	1 [Reference]	1.48 (1.30-1.69)b	1.62 (1.42-1.85)b
Adjusted only for age and sex	1.21 (1.03-1.44)c	1.10 (0.95-1.28)	1 [Reference]	1.31 (1.15-1.49)b	1.58 (1.39-1.81)b
Partially adjustedd	1.26 (1.07-1.49)e	1.13 (0.97-1.31)	1 [Reference]	1.26 (1.10-1.44)b	1.52 (1.33-1.74)b
Fully adjustedf	1.25 (1.05-1.47)c	1.13 (0.97-1.31)	1 [Reference]	1.25 (1.09-1.43)e	1.49 (1.31-1.70)b

Abbreviations: HR, hazard ratio; Q, quantile.

^a Data on US adults 20 years or older from the National Health and Nutrition Examination Survey Linked Mortality Files, 1999 to 2018. There were 3452 all-cause deaths in 32 995 participants (329 393 total person-years).

^b P < .001.

^c P < .05.

^d Adjusted for age, sex, race and ethnicity, education, and income.

^e P < .01.

^f Adjusted for age, sex, race and ethnicity, education, income, smoking, drinking, family history of cardiovascular disease, and family history of diabetes.