All participants (n = 3817)
| | | |
Mean score (SD) at phase 1 | 65.8 (15.8) | 58.1 (20.3) | 76.0 (18.3) |
Mean score (SD) at phase 3 | 68.3 (14.9) | 61.7 (18.9) | 75.8 (17.5) |
Mean change* (SD) | 2.5 (11.9) | 3.6 (19.6) | −0.2 (19.7) |
p value† | p<0.0001 | p<0.0001 | p = 0.45 |
Number (%) with increased score | 926 (24) | 1196 (31) | 1113 (29) |
Number (%) with stable score‡ | 2407 (63) | 1868 (49) | 1472 (39) |
Number (%) with decreased score | 484 (13) | 753 (20) | 1232 (32) |
Stable employment grade (n = 2746)
| | | |
Mean score (SD) at phase 1 | 64.7 (16.2) | 57.3 (20.6) | 75.5 (18.7) |
Mean score (SD) at phase 3 | 66.3 (15.3) | 60.1 (19.1) | 75.7 (17.5) |
Mean change* (SD) | 1.6 (11.8) | 2.9 (19.5) | 0.2 (20.1) |
p value† | p<0.0001 | p<0.0001 | p = 0.63 |
Number (%) with increased score | 603 (22) | 828 (30) | 812 (30) |
Number (%) with stable score | 1758 (64) | 1353 (49) | 1066 (39) |
Number (%) with decreased score | 385 (14) | 565 (21) | 868 (32) |