Table 2.

Multivariate Logistic Regression Models of Protein Carbonyls and Other Risk Factors for Mortality in Women Aged 65 and Older in the Women's Health and Aging Study I in Baltimore, Maryland (N = 746)

Variable	HR	95% Confidence Interval	P-Value
Model 1
Loge protein carbonyls*	1.37	1.05–1.80	.02
Model 2
Loge protein carbonyls*	1.40	1.05–1.85	.02
Age
65–69	1.00	—	—
70–74	1.24	0.72–2.11	.43
75–79	1.56	0.92–2.64	.1
80–84	2.66	1.55–4.57	<.001
85–89	2.60	1.59–4.22	<.001
≥90	4.10	2.33–7.18	<.001
Model 3
Loge protein carbonyls*	1.34	1.01–1.79	.04
Age
65–69	1.00	—	—
70–74	1.21	0.71–2.07	.49
75–79	1.44	0.84–2.47	.18
80–84	2.60	1.50–4.50	<.001
85–89	2.66	1.48–4.07	<.001
≥90	3.78	2.09–6.84	<.001
Current smoking	1.66	1.22–2.47	.01
Body mass index, kg/m2
<18.5	1.26	0.71–2.25	.43
18.5–24.9	1.00	—	—
25.0–29.9	0.79	0.57–1.11	.17
≥30.0	0.61	0.41–0.90	.01

^*Hazard ratio (HR) per 1 standard deviation increase in log_e protein carbonyls.