Multiple linear regression analysis for the 50-item Child Health Questionnaire and the associated dependent variables.
| Variable | Nonstandardized Coefficients | Standardized Coefficients | t | P | 95% CI | ||
| B | Error | β | Lower Limit | Upper Limit | |||
| Constant | 68.32 | 7.50 | 9.108 | 0.000 | 53.32 | 83.32 | |
| Age (y) | −0.29 | 0.49 | −0.074 | −0.586 | 0.560 | −1.27 | 0.70 |
| Gender (female) | 6.54 | 3.90 | 0.213 | 1.676 | 0.099 | −1.27 | 14.34 |
| Cobb angle (degree) | −1.34 | 4.33 | −0.039 | −0.310 | 0.758 | −9.99 | 7.31 |
| Etiology (neuromuscular) | −4.09 | 5.05 | −0.127 | −0.809 | 0.422 | −14.20 | 6.02 |
| Etiology (congenital) | 7.65 | 5.37 | 0.222 | 1.424 | 0.160 | −3.10 | 18.39 |
| Etiology (syndromic) | −14.97 | 6.23 | −0.348 | −2.403 | 0.019 | −27.42 | −2.51 |
| Treatment modality (surgery) | 2.12 | 4.13 | 0.064 | 0.512 | 0.610 | −6.15 | 10.37 |
| Ambulatory status (ambulatory) | −1.47 | 5.34 | −0.048 | −0.274 | 0.785 | −12.15 | 9.22 |