Table 2. Adjusted^* Mortality by Body Mass Index Category, without and with Adjustment for Diabetes and Hypertension

Model Variables	Model without Diabetes or Hypertension		Model with Diabetes or Hypertension
Model Variables	HR (95% CI)	P	HR (95% CI)	P
Age	1.09 (1.08–1.10)	<.001	1.09 (1.08–1.09)	<.001
Female	0.54 (0.47–0.62)	<.001	0.54 (0.47–0.62)	<.001
Race/ethnicity (reference = white)
Hispanic	0.65 (0.54–0.78)	<.001	0.62 (0.52–0.75)	<.001
Black	1.26 (1.04–1.52)	.02	1.18 (0.98–1.42)	.09
Other	1.05 (0.80–1.39)	.72	1.04 (0.79–1.37)	.77
Education (reference = <high school)
Some high school	0.99 (0.83–1.18)	.91	0.98 (0.82–1.17)	.85
High school graduate	0.83 (0.71–0.97)	.02	0.85 (0.73–0.99)	.03
Some college	0.76 (0.61–0.93)	.009	0.78 (0.63–0.96)	.02
College graduate	0.64 (0.52–0.80)	<.001	0.67 (0.54–0.83)	<.001
Income, % FPL (reference = <100% FPL)
100-<125	1.02 (0.76–1.37)	.87	1.03 (0.77–1.37)	.84
125-<200	0.98 (0.80–1.20)	.84	0.97 (0.80–1.19)	.79
200-<400	0.88 (0.74–1.05)	.16	0.89 (0.74–1.06)	.19
≥400	0.77 (0.62–0.96)	.02	0.78 (0.63–0.97)	.02
Health insurance (reference = private)
Public	1.30 (1.12–1.51)	.001	1.26 (1.08–1.46)	.003
None	1.08 (0.77–1.49)	.66	1.13 (0.81–1.58)	.46
Urban residence	0.89 (0.78–1.01)	.07	0.89 (0.78–1.02)	.09
Census region (reference = Northeast)
Midwest	0.98 (0.82–1.17)	.80	0.99 (0.83–1.18)	.88
South	1.20 (1.02–1.40)	.02	1.18 (1.01–1.36)	.03
West	1.14 (0.96–1.35)	.15	1.13 (0.95–1.34)	.16
Smoker	1.71 (1.49–1.96)	<.001	1.75 (1.52–2.00)	<.001
Diabetes	—	—	1.80 (1.56–2.08)	<.001
Hypertension	—	—	1.22 (1.07–1.38)	.003
BMI category, kg/m² (reference = 20–<25 kg/m²)
<20	1.78 (1.44–2.20)	<.001	1.90 (1.54–2.34)	<.001
25-<30	0.80 (0.69–0.92)	.002	0.75 (0.65–0.87)	<.001
30-<35	0.93 (0.78–1.11)	.44	0.81 (0.68–0.97)	.02
≥35	1.26 (1.00–1.59)	.05	1.02 (0.80–1.30)	.89

↵* Analyses also adjusted for Medical Expenditure Panel Survey response year.
BMI, body mass index; CI, confidence interval; FPL, Federal Poverty Level; HR, hazard ratio.