Table 3.
Multiple Linear Regression of Variables Associated with the University of Washington Physical Quality of Life Subscale.
| Variables | Coefficient (95% CI) | P Value |
|---|---|---|
| Age, y | −0.095 (−0.306, 0.115) | .373 |
| Time since treatment completion, y | 0.326 (−0.029 to −.680) | .072 |
| AJCC stage | ||
| Tis-IIa | 8.235 (1.612 to 14.858) | .015 |
| III-IV | (Base) | |
| Tumor site | ||
| Oral cavity | −11.350 (−17.855 to −4.844) | .003 |
| Oropharynx | −4.910 (−10.189 to 0.368) | |
| Larynx/hypopharynx | (Base) | |
| Treatment modality | ||
| Surgery alone | 13.654 (6.362 to 20.945) | .0008 |
| Nonsurgical | 0.099 (−4.840 to 5.038) | |
| Surgery + adjuvant treatment | (Base) | |
| Neck disability | ||
| No | 16.640 (12.520 to 20.760) | <.0001 |
| Yes | (Base) | |
| Marital status | ||
| Married | 2.001 (−2.519 to 6.521) | .384 |
| Divorced/LWP/widowed/single | (Base) |
Abbreviations: AJCC, American Joint Committee on Cancer; CI, confidence interval; LWP, living with partner.
a
Tis = 1.