Changes of patient hygiene performance index
| Group | N | Patient hygiene performance index (mean±SD) | |||||
|---|---|---|---|---|---|---|---|
| Base | After 1 week | After 2 weeks | After 4 weeks | After 8 weeks | After 16 weeks | ||
| C | 30 | 2.26±0.68 | 2.21±0.73 | 2.13±0.58 | 2.34±0.56 | 2.28±0.43 | 2.15±0.75 |
| E | 30 | 1.90±0.92 | 1.93±0.98 | 1.60±0.79 |
1.52±0.86 |
1.28±0.81 |
1.17±0.76 |
| p-value | 0.094 | 0.226 | 0.005 | <0.001 | <0.001 | <0.001 |
C: control group, E: experimental group, SD: standard deviation, p-value: p value by 2-sample t-test.
**p<0.01 by paired t-test between base and after.
