Table 3.
|
Total |
Worsened |
Unchanged |
---|---|---|---|
(n=809) | (n=113) | (n=485) | |
Pre, Mean (SD) |
5.65 (2.87) |
3.34 (2.77) |
6.58 (2.36) |
Post, Mean (SD) |
4.97 (3.08) |
1.15 (1.50) |
5.91 (2.60) |
Change, Mean (SD) |
−0.98 (2.12) |
−2.19 (2.61)† |
−0.73 (1.90)† |
p-value* |
<0.0001 |
<0.0001 |
<0.0001 |
% at floor |
|
|
|
Pre-intervention |
7.06 |
14.41 |
3.98 |
Post-intervention |
11.97 |
42.73 |
4.94 |
% at ceiling |
|
|
|
Pre-intervention |
47.37 |
16.22 |
61.22 |
Post-intervention |
36.52 |
0 |
44.85 |
SES** |
0.34 |
0.79 |
0.31 |
SRM*** | 0.46 | 0.84 | 0.38 |
* p-value from a paired t-test to compare whether there were significant differences between pre and post scores.
† Superscripts indicate significant differences between “worsened” and “unchanged” groups by means of the t-test.
**SES: standardized effect size.
***SRM: standardized response mean.