Table 2 Comparisons of scores on main variables by group (n = 52 per group)

23.2 (2.7) ^a

20.1 (4.0) ^b

16.5 (3.8)

< 0.001 ^c

23.1 (2.8) ^a

21.2 (3.3)

20.3 (3.5)

< 0.001 ^c

23.4 (2.4) ^d

22.8 (3.7)

21.6 (3.3)

0.009 ^e

23.6 (4.0)

23.7 (5.2)

23.2 (4.0)

0.83^c

23.3 (2.3) ^a

21.5 (3.1) ^b

19.6 (2.9)

< 0.001 ^c

8.3 (0.4) ^a

7.3 (0.7) ^b

5.4 (0.9)

< 0.001 ^e

8.6 (0.6) ^a

7.1 (1.4) ^b

5.1 (1.1)

< 0.001 ^e

4.2 (0.3) ^a

4.0 (0.4) ^b

3.5 (0.4)

< 0.001 ^c

4.2 (0.3) ^a

4.0 (0.4) ^b

3.6 (0.5)

< 0.001 ^c

21.3 (8.1) ^f

25.3 (5.4) ^b

22.3 (5.1)

0.003 ^e

50.8 (22.0)

56.5 (12.1) ^b

49.2 (11.9)

0.009 ^e

29.6 (7.8)

32.3 (6.2)

30.4 (6.4)

0.13^c

67.3 (20.3)

68.8 (14.7)

66.6 (17.4)

0.77^e

6.8 (3.9) ^a

9.0 (4.3)

10.9 (4.0)

< 0.001 ^c

11.5 (8.3) ^a

17.0 (10.1) ^b

22.7 (10.6)

< 0.001 ^e

1.4 (1.3)

2.3 (3.3)

2.5 (3.0)

0.03 ^e

2.3 (2.4) ^d

4.5 (7.3)

4.8 (6.8)

0.009 ^e