Table 2 Descriptive statistics of SF BPI-Sin scores (n = 151)
BPI Item | Mean | SD | Minimum | Maximum | Skewness | Kurtosis |
|---|---|---|---|---|---|---|
Worst pain | 8.06 | 1.79 | 3 | 10 |  − 0.522 |  − 0.780 |
Least pain | 1.11 | 1.37 | 0 | 6 | 1.233 | 1.245 |
Average pain | 4.75 | 1.54 | 1 | 8 |  − 0.168 |  − 0.410 |
Pain now | 3.87 | 1.81 | 0 | 8 |  − 0.330 |  − 0.351 |
General activity | 5.59 | 2.57 | 0 | 10 |  − 0.507 |  − 0.545 |
Walking ability | 5.23 | 3.24 | 0 | 10 |  − 0.320 |  − 1.293 |
Normal works | 6.93 | 2.46 | 0 | 10 |  − 1.122 | 0.698 |
Sleep | 6.17 | 2.62 | 0 | 10 |  − 1.115 | 0.582 |
Relationships | 4.58 | 2.34 | 0 | 10 | 0.295 |  − 0.527 |
Enjoyment of life | 7.87 | 2.13 | 0 | 10 |  − 1.813 | 4.060 |
Mood | 7.70 | 2.21 | 0 | 10 |  − 1.693 | 2.993 |