TABLE 3.

Hazard ratios for AD, by race and by co-morbidity present at time of diagnosis

	Hazard ratio (HR), 95% CI*
Diabetes	1.04 (1.04–1.05)
Hypertension	1.16 (1.15–1.17)
Stroke	1.59 (1.58–1.60)
Congestive heart failure (CHF)	1.10 (1.10–1.11)
Ischemic heart disease (IHD)	1.07 (1.07–1.08)
Depression	2.40 (2.39–2.42)
Black vs. White race	1.18 (1.16–1.19)

^*Adjusted for region (n = 5), calendar year, race (Black vs. White), county-level smoking prevalence, mean BMI, and number of hospitals, and at ZIP-code level the log of population density, the log of mean household income, and percent with education under high-school. Stratified by sex, age at entry to cohort, and Medicaid eligibility.

Abbreviations: AD, Alzheimer’s disease; BMI, body mass index; CI, confidence interval.