Document Classification

Section Type: RESULTS

Text: At 12 weeks, there was a significant between-group difference in the mean change in disability (-6. 8 [95 % confidence interval (95 % CI) -12. 6, -1. 0] ; P = 0. 022), function (-3. 0 [95 % CI -5. 0, -0. 5] ; P = 0. 011), nondominant handgrip strength (31. 3 N [95 % CI 9. 8, 52. 8] ; P = 0. 009), self-efficacy (10. 5 [95 % CI 1. 6, 19. 5] ; P = 0. 021 for pain and 9. 3 [95 % CI 0. 5, 18. 2] ; P = 0. 039 for symptoms), and disease activity (-0. 7 [95 % CI -1. 4, 0. 0] ; P = 0. 047), all favoring the EXTRA program.