Table 4.
Coefficients from the Backward Elimination Method of Multiple Linear Regression Analysis Models for Factors Predicting Quality of Life and Function at Three Different Times; Before Surgery, One Month After Surgery and Three Months After Surgery
| Questionnaire | Predicting Factor | Before Surgery | One Month After Surgery | Three Months After Surgery | |||
|---|---|---|---|---|---|---|---|
| Unstandardized Beta Coefficients (95.0% Confidence Interval) | p-value | Unstandardized Beta Coefficients (95.0% Confidence Interval) | p-value | Unstandardized Beta Coefficients (95.0% Confidence Interval) | p-value | ||
| MDADI | Age | −0.846 (−4.104, 2.412) | 0.610 | 3.391 (−.203, 6.985) | 0.064 | 0.050 (−0.414,0.514) | 0.832 |
| Occupation | −1.786 (−3.682,0.110) | 0.065 | −1.897 (−4.082, 0.288) | 0.089 | 0.124 (−0.146,0.394) | 0.367 | |
| Denture | 3.370 (−0.942,7.681) | 0.125 | −14.393 (−19.288, −9.498) | 0.000 | 0.453 (−0.161,1.068) | 0.148 | |
| Drinking | 1.843 (−0.302,3.987) | 0.092 | 0.032 (−2.600,2.664) | 0.981 | 0.346 (0.049, 0.644) | 0.023 | |
| Diet | 0.521 (−6.741, 7.784) | 0.888 | 0.673 (−8.241,9.586) | 0.882 | 1.026 (0.075, 1.977) | 0.035 | |
| EAT-10 | Occupation | −1.114 (−1.808, −0.419) | 0.002 | −0.427 (−1.159,0.306) | 0.252 | −0.027 (−0.258,0.205) | 0.821 |
| Drinking | 0.791 (−0.045, 1.627) | 0.064 | −0.146 (−0.974,0.683) | 0.729 | −0.124 (−.385,0.138) | 0.354 | |
| Marriage | 0.812 (−.368,1.992) | 0.176 | 1.029 (−.018, 2.076) | 0.054 | −0.310 (−0.666,0.047) | 0.088 | |
| Denture | 2.135 (0.393,3.877) | 0.016 | −3.592 (−5.020, −2.165) | 0.000 | −.0200 (−0.726,0.326) | 0.455 | |
| Tumor size | 0.470 (−1.049,1.988) | 0.543 | 1.305 (−0.071, 2.680) | 0.063 | −0.013 (−0.472,0.446) | 0.956 | |
| Tumor site | −0.769 (−2.704,1.167) | 0.435 | −1.983 (−3.809, −.157) | 0.033 | −0.029 (−0.614,0.556) | 0.921 | |
| FACT-H&N | Age | 0.838 (−0.022, 1.698) | 0.056 | −0.456 (−2.788,1.876) | 0.701 | −1.144 (−3.318,1.029) | 0.301 |
| Marriage | −0.803 (−1.574, −0.032) | 0.041 | −1.085 (−3.175,1.005) | 0.308 | 0.651 (−1.297,2.599) | 0.511 | |
| Graduation | −0.489 (−1.046, 0.068) | 0.085 | −0.496 (−2.120,1.128) | 0.548 | −0.138 (−1.652,1.376) | 0.858 | |
| Betelnut | 0.837 (0.406, 1.268) | 0.000 | −0.528 (−1.665,0.610) | 0.362 | −0.176 (−1.236,0.884) | 0.744 | |
| Denture | −5.365 (−6.425, −4.305) | 0.000 | −4.334 (−7.086, −1.581) | 0.002 | −0.713 (−3.589,2.164) | 0.626 | |
| Income | 0.214 (−0.416,0.845) | 0.504 | 1.294 (−0.123, 2.711) | 0.073 | 0.425 (−1.083,1.932) | 0.580 | |
| Diet | 1.389 (−0.639,3.417) | 0.179 | 7.536 (2.561, 12.512) | 0.003 | −0.049 (−4.894,4.797) | 0.984 | |
Note: Values in bold are statistically significant.