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. Author manuscript; available in PMC: 2012 Aug 1.
Published in final edited form as: Am J Geriatr Psychiatry. 2011 Aug;19(8):721–729. doi: 10.1097/JGP.0b013e3181faee19

Table 2.

Unadjusted and Adjusted Cox Proportional Hazard Relative Risksa

Outcome No. of
events		 Unadjusted Demographics
adjustedb 		Cardiovascular Risk
Factor adjustedc
RR (95% CI) p value RR (95% CI) p value RR (95% CI) p value
Acute MI/CHD Death 727 1.36 (1.13–1.64) 0.0014 1.50 (1.24–1.81) < 0.0001 1.46 (1.20–1.77) 0.0001
CHD Death 269 1.31 (0.97–1.78) 0.0796 1.51 (1.11–2.06) 0.0092 1.48 (1.09–2.02) 0.0128
Acute MI 517 1.49 (1.20–1.85) 0.0003 1.59 (1.28–1.98) <0.0001 1.55 (1.24–1.93) 0.0001
All-Cause Mortality 1646 1.08 (0.95–1.23) 0.2378 1.20 (1.05–1.37) 0.0071 1.16 (1.01–1.33) 0.0320

Note: RR=relative risk, CI=confidence interval, MI=myocardial infarction, CHD= coronary heart disease

a

each p-value was based upon a Wald chi-square test with 1 degree of freedom

b

adjusted for age, gender, and race

c

adjusted for age, gender, race, diabetes, hypertension, history of smoking, cholesterol, and ideal body weight