Table 3.

Association of BMI and WC with all-cause mortality in 2,017 older adults

BMI categories	n/Events	Model 1		Model 2		Model 3		Model 3
		HR (95% CI)	p value	HR (95% CI)	p value	HR (95% CI)	p value	women n/events	HR (95% CI)	p value	Men n/events	HR (95% CI)	p value
Underweight	43/20	1.55 (0.99–2.43)	0.06	1.40 (0.88–2.23)	0.15	1.30 (0.77–2.19)	0.31	38/16	1.36 (0.77–2.40)	0.30	5/4	0.90 (0.21–3.75)	0.90
Normal	1,067/400	Reference		Reference		Reference		701/221	Reference		366/179	Reference
Overweight	718/299	1.01 (0.87–1.18)	0.90	0.96 (0.82–1.12)	0.64	0.80 (0.66–0.97)	0.02	325/108	0.77 (0.57–1.06)	0.11	393/191	0.82 (0.64–1.06)	0.13
Obesity	175/83	1.33 (1.05–1.70)	0.02	1.20 (0.94–1.54)	0.15	0.78 (0.56–1.09)	0.15	110/42	0.67 (0.42–1.08)	0.10	65/41	0.89 (0.56–1.40)	0.62
WC	n/events	HR (95% CI)	p value	HR (95% CI)	p value	HR (95% CI)	p value	n/events	HR (95% CI)	p value	n/events	HR (95% CI)	p value
Nonabdominal obesity	1,247/441	Reference		Reference		Reference		727/193	Reference		547/248	Reference
Abdominal obesity	528/232	1.37 (1.17–1.61)	<0.001	1.31 (1.11–1.55)	0.001	1.49 (1.22–1.83)	<0.001	325/119	1.63 (1.21–2.20)	0.001	203/113	1.41 (1.06–1.88)	0.01

BMI categories: underweight (<18.5), normal (18.5–24.9), overweight (25–29.9), obese (≥30). WC groups: nonabdominal obesity (low WC: <102 cm for men and <88 cm for women), abdominal obesity (high WC: ≥102 cm for men and ≥88 cm for women). Model 1: gender (and age as the timescale in the model). Model 2: model 1 + adjusted for education, living alone, smoking, alcohol consumption, depression, ischemic pathologies, chronic conditions, and recent cancer. Model 3: model 2 + adjusted for WC or BMI, respectively.