Table 5 Mean and change (95% CI) of SF-12 physical and mental component summary scales between baseline and 6-month follow-up

39.4

47.9

8.5 (5.3 to 11.6)^a

31.9

38.6

6.7 (1.9 to 11.5)^a

34.5

47.4

12.9 (7.1 to 18.8)^a

24.4

33.4

9.0 (2.8 to 15.1)^a

32.4

48.4

16.1 (14 to 18.1)^a

26.2

38.8

12.6 (8.4 to 16.8)^a

34.6

48.2

13.6 (11.9 to 15.3)^a

27.5

37.1

9.7 (6.9 to 14.2)^a

52.2

53.6

1.4 (−0.8 to 3.5)

32.0

37.4

5.4 (−0.2 to 10.9)

48.2

49.6

1.4 (−3.6 to 6.4)

38.9

39.6

0.6 (−6.0 to 7.3)

52.6

54.5

2.0 (−0.1 to 4.0)

39.7

46.9

7.2 (2.6 to 11.9)^a

52.0

53.7

1.7 (0.3 to 3.2)^a

37.0

41.7

4.7 (1.6 to 7.8)^a