Document Classification

Section Type: RESULTS

Text: Comorbidities such as congestive heart failure (estimate = -5. 64, 95 % CI = -7. 96 to -3. 32, P <. 001), leg pain (estimate = -2. 57, 95 % CI = -3. 04 to -2. 10, P <. 001), and diabetes (estimate = -1. 31, 95 % CI = -2. 04 to -0. 57, P <. 001) had statistically significant negative effects on physical function, as did current smoking (estimate = -2. 34, 95 % CI = -2. 97 to -1. 71, P <. 001) and time on study (estimate = -1. 20, 95 % CI = -1. 36 to -1. 03, P <. 001).