Table 2 Skills and knowledge scores at 0, 6, and 12 months

29.9 (24.7 to 35.2)

1.6 (− 2.8 to 6.0)

28.3 (21.5 to 35.2)

29.6 (24.2 to 35.1)

1.8 (− 2.7 to 6.3)

27.8 (20.5 to 35.0)

12.6 (7.7 to 17.4)

3.6 (0.4 to 7.7)

8.9 (2∙6 to 15∙3)

13.3 (8.3 to 18.3)

3.1 (− 1.0 to 7.3)

10.2 (3∙4 to 16∙9)

42.5 (37.1 to 47.9)

5.2 (0.7 to 9.7)

37.3 (30.3 to 44.3)

42.9 (37.2 to 48.6)

4.9 (0.2 to 9.7)

38.0 (30.4 to 45.6)

8.9 (4.3 to 13.5)

1.7 (− 2.2 to 5.5)

7.3 (1.3 to 13.3)

8.5 (3.8 to 13.3)

1.9 (− 2.0 to 5.9)

6.6 (0.3 to 13.0)

4.2 (− 0.1 to 9.4)

0.3 (− 3.3 to 3.8)

3.9 (− 1.6 to 9.4)

3.0 (− 1.2 to 7.2)

1.1 (− 2.4 to 4.6)

1.9 (− 3.4 to 7.5)

13.1 (8.3 to 17.9)

1.9 (− 2.1 to 5.7)

11.2 (4.9 to 17.4)

11.5 (7.7 to 16.4)

3.0 (− 1.0 to 7.1)

8.5 (2.0 to 15.0)