Table 3.
Pretest scores, post-test scores, and comparison of change score on the Zarit Burden Interview between intervention and control groups
Intervention
|
Control
|
U | P | |||
---|---|---|---|---|---|---|
Median (range) | Mean (SD) | Median (range) | Mean (SD) | |||
Pretest | 37.0 (17–54) |
37.4 (8.66) |
34.0 (15–57) |
34.1 (13.3) |
||
Post-test | 36.5 (24–50) |
35.6 (7.52) |
34.0 (20–62) |
36.4 (11.4) |
||
Change scorea | −2.50 (−14–9) |
−1.83 (5.26) |
3.00 (−22–13) |
2.25 (7.09) |
83.0 | 0.002* |
Notes:
Change score = post-test (raw score) – pretest (raw score);
P < 0.01 (one-tailed).