Table 4. Linear Regression Weighted Model of Local Therapy Decisional Regret.
| Characteristic | Respondents, No. (N = 534) | Effect size (SE) [95% CI] | P value |
|---|---|---|---|
| Intercept | NA | 11.36 (3.41) [4.68 to 18.04] | <.001 |
| Treatment | |||
| BCS with RT | 302 | 1 [Reference] | NA |
| Mastectomy and breast reconstruction | 232 | 1.32 (2.59) [–3.77 to 6.40] | .61 |
| Race and ethnicity | |||
| American Indian/Alaska Native | 5 | 15.66 (7.82) [0.33 to 30.98] | .046 |
| Asian American/Pacific Islander | 74 | 9.73 (7.10) [–4.18 to 23.64] | .17 |
| Black | 124 | 2.06 (2.42) [–2.69 to 6.81] | .40 |
| Hispanic | 119 | 5.44 (3.00) [–0.44 to 11.32] | .07 |
| White | 212 | 1 [Reference] | NA |
| Grade | |||
| Low | 93 | 1 [Reference] | NA |
| Intermediate | 201 | 1.52 (3.33) [–5.00 to 8.04] | .65 |
| High | 198 | 9.28 (3.86) [1.72 to 16.85] | .02 |
| Unknown | 42 | 4.20 (4.75) [–5.12 to 13.52] | .38 |
| Tumor size, cm | |||
| 0-2 | 335 | 1 [Reference] | NA |
| 2.1-4.9 | 115 | –2.76 (3.10) [–8.84 to 3.33] | .37 |
| ≥5 | 16 | –11.87 (4.64) [–20.97 to –2.77] | .01 |
| Unknown | 68 | –5.98 (4.32) [–14.44 to 2.48] | .17 |
Abbreviations: BCS, breast-conserving surgery; NA, not applicable; RT, radiation therapy.