Table 7 Multiple linear regression analysis of associations between variables and pain interference score
Model | Unstandardized Coefficients | Standardized Coefficients | t | P-value* | 95.0 % Confidence Interval for B | Collinearity Statistics | |||
|---|---|---|---|---|---|---|---|---|---|
B | Std. Error | Beta | Lower Bound | Upper Bound | VIF | ||||
1 | (Constant) | -11.13 | 9.09 | -1.22 | 0.222 | -29.02 | 6.76 | ||
Age | 5.58 | 2.11 | 0.15 | 2.64 | 0.009 | 1.42 | 9.73 | 1.22 | |
Gender | 4.06 | 2.09 | 0.11 | 1.94 | 0.053 | -0.06 | 8.18 | 1.24 | |
BMI category | 2.32 | 1.19 | 0.11 | 1.95 | 0.052 | -0.02 | 4.65 | 1.17 | |
Educational level | -2.29 | 0.88 | -0.15 | -2.59 | 0.010 | -4.02 | -0.55 | 1.29 | |
Employment | 1.75 | 2.71 | 0.04 | 0.64 | 0.520 | -3.59 | 7.09 | 1.43 | |
Income | -3.3 | 1.8 | -0.1 | -1.84 | 0.067 | -6.85 | 0.24 | 1.24 | |
Number of co-morbidities | 4.91 | 1.05 | 0.27 | 4.7 | < 0.001 | 2.85 | 6.97 | 1.25 | |
Residency | 1.93 | 1.56 | 0.06 | 1.24 | 0.216 | -1.13 | 5 | 1.03 | |
Dialysis vintage | 5.34 | 1.99 | 0.14 | 2.68 | 0.008 | 1.41 | 9.26 | 1.03 | |