Table 4. All-cause mortality hazard ratios and 95% confidence intervals by frailty status and demographics.

	Hazard ratio	Lower 95% CI	Upper 95% CI
Unadjusted
Frailty Status1 (frail)	2.36*	1.74	3.20
Adjusted
Frailty Status (frail)	2.30*	1.67	3.18
Poverty status (below)	1.61	0.84	3.10
Sex (men)	2.16*	1.20	3.89
Race (African American)	1.13	0.60	2.12
BMI classes2
Underweight	1.38	0.73	2.61
Overweight	0.50*	0.35	0.72
Class 1	0.42*	0.27	0.65
Class 2	0.71	0.49	1.04
HS graduate3	0.76*	0.58	0.99
Poverty: Race	0.95	0.41	2.19
Sex: Poverty	0.39	0.14	1.07
Sex: Race	0.64	0.28	1.46
Sex: Poverty: Race	3.92*	1.13	13.54

*p < .05

¹Frail versus not or pre-frail

²Body mass index: Underweight BMI<18.5; Normal 18.5≤BMI<25 (reference group); Overweight 25≤BMI<30; Obesity class 1 30≤BMI<35; Obesity class 2 BMI≥35

³High-school graduate or obtained GED