Document Classification

Section Type: RESULTS

Text: Postrandomization, participants in the aerobic exercise group had a 10 % lower adjusted mean (+ / - SE) score on the physical disability questionnaire (1. 71 + / - 0. 03 vs 1. 90 + / - 0. 04 units ; P <. 001), a 12 % lower score on the knee pain questionnaire (2. 1 + / - 0. 05 vs 2. 4 + / - 0. 05 units ; P =. 001), and performed better (mean [+ / - SE]) on the 6-minute walk test (1507 + / - 16 vs 1349 + / - 16 ft ; P <. 001), mean (+ / - SE) time to climb and descend stairs (12. 7 + / - 0. 4 vs 13. 9 + / - 0. 4 seconds ; P =. 05), time to lift and carry 10 pounds (9. 1 + / - 0. 2 vs 10. 0 + / - 0. 1 seconds ; P <. 001), and mean (+ / - SE) time to get in and out of a car (8. 7 + / - 0. 3 vs 10. 6 + / - 0. 3 seconds ; P <. 001) than the health education group.