Table 5.

Association between Six Minute Walk Test Distance and Incident Cardiovascular Events among participants without prevalent Cardiovascular Disease

Event	Events n (Rate†)	Unadjusted Model	Age- and Sex-Adjusted	Multivariable Adjustment*
		Hazard Ratio(95% CI)
Incident CVD(n=525)
>414	90(36)	1.0	1.0	1.0
373-414	83(33)	0.9(0.7-1.2)	0.9(0.7-1.3)	0.9(0.7-1.3)
338-373	114(48)	1.3(1.0-1.8)	1.4(1.0-1.8)	1.1(0.8-1.6)
290-338	116(52)	1.5(1.1-1.9)	1.5(1.1-1.9)	1.3(0.9-1.8)
0-290	122(55)	1.6(1.2-2.1)	1.5(1.1-2.0)	1.2(0.8-1.7)
Incident CHD(n=305)
>414	59(23)	1.0	1.0	1.0
373-414	46(18)	0.8(0.5-1.1)	0.8(0.5-1.2)	1.0(0.6-1.5)
338-373	62(25)	1.1(0.8-1.6)	1.1(0.8-1.6)	1.0(0.7-1.6)
290-338	67(28)	1.3(0.9-1.8)	1.3(0.9-1.9)	1.2(0.8-1.9)
0-290	71(30)	1.4(1.0-1.9)	1.6(1.0-2.0)	1.3(0.8-2.1)

^*Adjusted for age, sex, race, general health status, education level, smoking status, systolic blood pressure, total cholesterol, fasting glucose, C-Reactive Protein, body mass index, prevalent medical conditions (pulmonary disease, diabetes mellitus, arthritis), any difficulty in Activities of Daily Living or Instrumental Activities of Daily Living, CES-Depression scale score, Modified Mini-Mental State score, major electrocardiogram abnormalities, ankle-brachial index, and medication use (aspirin, any lipid lowering, any anti-hypertensive).

^†Rate per 1,000 person-years