Table 3 Summary of DIF by administration mode for each PU-QOL scale
Scale (no. of items) | Uniform | Non-uniform | ||
|---|---|---|---|---|
(sample size) | p < 0.01* | p < 0.05* | p < 0.01* | *p < 0.05* |
Pain (11) | ||||
(n = 70) | 0 | 0 | 0 | 1 |
(Adjusted n = 200) | 1 | 4 | 1 | 1 |
(Adjusted n = 300) | 4 | 6 | 1 | 4 |
Exudate (8) | ||||
(n = 70) | 0 | 0 | 0 | 0 |
(Adjusted n = 200) | 2 | 3 | 1 | 2 |
(Adjusted n = 300) | 2 | 4 | 1 | 2 |
Odour (6) | ||||
(n = 70) | 0 | 1 | 0 | 0 |
(Adjusted n = 200) | 3 | 3 | 3 | 3 |
(Adjusted n = 300) | 3 | 4 | 3 | 4 |
Sleep (6) | ||||
(n = 70) | 0 | 0 | 0 | 1 |
(Adjusted n = 200) | 2 | 3 | 3 | 3 |
(Adjusted n = 300) | 3 | 4 | 3 | 3 |
Malaise (3) | ||||
(n = 70) | 0 | 1 | 0 | 0 |
(Adjusted n = 200) | 2 | 3 | 1 | 1 |
(Adjusted n = 300) | 2 | 3 | 1 | 2 |
Mobility (11) | ||||
(n = 70) | 0 | 1 | 0 | 3 |
(Adjusted n = 200) | 2 | 3 | 7 | 7 |
(Adjusted n = 300) | 2 | 4 | 7 | 9 |
Daily activities (9) | ||||
(n = 70) | 0 | 1 | 0 | 1 |
(Adjusted n = 200) | 2 | 3 | 2 | 5 |
(Adjusted n = 300) | 3 | 4 | 4 | 6 |
Mood (7) | ||||
(n = 70) | 0 | 0 | 0 | 1 |
(Adjusted n = 200) | 0 | 2 | 2 | 4 |
(Adjusted n = 300) | 0 | 4 | 3 | 5 |
Anxiety (3) | ||||
(n = 70) | 0 | 0 | 0 | 0 |
(Adjusted n = 200) | 0 | 0 | 0 | 0 |
(Adjusted n = 300) | 0 | 0 | 0 | 0 |
Self-consciousness (7) | ||||
(n = 70) | 0 | 0 | 0 | 0 |
(Adjusted n = 200) | 1 | 4 | 1 | 2 |
(Adjusted n = 300) | 3 | 4 | 1 | 3 |
Autonomy (3) | ||||
(n = 70) | 0 | 0 | 0 | 0 |
(Adjusted n = 200) | 0 | 0 | 2 | 2 |
(Adjusted n = 300) | 0 | 0 | 2 | 2 |
Isolation (4) | ||||
(n = 70) | 0 | 0 | 0 | 1 |
(Adjusted n = 200) | 1 | 2 | 2 | 3 |
(Adjusted n = 300) | 2 | 3 | 3 | 3 |
Participation (9) | ||||
(n = 70) | 0 | 0 | 0 | 2 |
(Adjusted n = 200) | 4 | 8 | 7 | 7 |
(Adjusted n = 300) | 6 | 8 | 7 | 7 |