Table 3.

Hazard Ratios From a Fully Adjusted Cox Model for Mortality Among Veterans With Type 2 Diabetes (n = 8,812), Charleston, South Carolina, April 1997–May 2006

Parameter	Hazard Ratioa	95% Confidence Interval	P Value
Slope of HbA1c levelb	7.28	0.93, 57.10	0.06
Baseline HbA1c level	2.14	1.27, 3.60	<0.01
Last observed HgbA1c value	0.55	0.26, 1.20	0.13
Last observed HbA1c value squared	1.00	0.97, 1.03	0.83
Age group, years (referent: <50)
50–64	1.39	1.11, 1.73	<0.01
65–74	2.37	1.89, 2.96	<0.01
≥75	4.10	3.25, 5.18	<0.01
Non-Hispanic black race/ethnicity (referent: non-Hispanic white)	0.87	0.78, 0.98	0.02
Female gender (referent: male)	0.53	0.31, 0.88	0.01
Marital status (referent: never married)
Married	0.69	0.55, 0.86	<0.01
Separated/divorced/widowed	0.74	0.58, 0.93	0.01
Employment status (referent: employed)
Not employed	2.67	2.11, 3.38	<0.01
Retired	1.95	1.51, 2.50	<0.01
Coronary heart disease (referent: none)	1.24	1.06, 1.45	0.01
Hypertension (referent: none)	1.30	1.13, 1.50	<0.01

Abbreviation: HbA1c, hemoglobin A1c.

^aResults were adjusted for all covariates.

^bSlope of HbA1c concentration over time from a linear mixed model.