Table 3.
Factors affecting reported pain and regularity of analgesic use: Simple and multiple linear regression.
| Variable | Factors affecting regularity of analgesic use | Factors affecting pain severity | ||||||||||
| Simple Linear Regression | Multiple Linear Regression* | Simple Linear Regression | Multiple Linear Regression# | |||||||||
|
β (9%% CI) |
SE | p value |
β (95% CI) |
SE | p value |
β (95% CI) |
SE | p value |
β (95% CI) |
SE |
p value |
|
| Pain | 0.35 (0.12 to 0.58) |
0.12 | 0.003 | 0.37 (0.11 to 0.63) |
0.13 | 0.006 | - | - | - | - | - | - |
| Self-efficacy | -0.15 (-0.67 to 0.38) |
0.27 | 0.578 | 0.09 (-0.49 to 0.67) |
0.29 | 0.768 | -0.85 (-1.13 to -0.58) |
0.14 | <0.001 | -0.82 (-1.13 to -0.52) |
0.16 | <0.001 |
| Gender | 0.83 (-1.40 to 3.06) |
1.13 | 0.464 | 0.64 (-0.60 to 2.87) |
1.13 | 0.574 | 0.58 (-0.68 to 1.84) |
0.64 | 0.368 | 0.52 (-0.77 to 1.80) |
0.65 | 0.431 |
| Age | 0.04 -0.03 to 0.1) |
0.03 | 0.245 | 0.04 (-0.03 to 0.11) |
0.04 | 0.308 | 0.01 (-0.03 to 0.05) |
0.02 | 0.53 | 0.01 (-0.03 to 0.05) |
0.02 | 0.541 |
| Ethnicity | 1.69 (-0.68 to 4.07) |
1.20 | 0.161 | 0.98 (-1.54 to 3.5) |
1.28 | 0.446 | 1.46 (0.12 to 2.81) |
0.68 | 0.034 | 1.39 (0.04 to 2.82) |
0.73 | 0.057 |
| Disease duration | 0.04 (-0.05 to 0.14) |
0.05 | 0.4 | 0.03 (-0.08 to 0.13) |
0.05 | 0.629 | -0.01 (-0.07 to 0.05) |
0.03 | 0.68 | -0.01 (-0.07 to 0.05) |
0.03 | 0.769 |
| Regularity of analgesic use | - | - | - | - | - | - | 0.14 (0.05 to 0.23) |
0.05 | 0.003 | 0.12 (0.04 to 0.21) |
0.04 | 0.006 |
*Percentage of explained variance 3.7
Variables adjusted for: pain, self-efficacy, gender, age, ethnicity, disease duration
# Percentage of explained variance 13.5
Variables adjusted for: self-efficacy, gender, age, ethnicity, disease duration, regularity of analgesic use