Table 1.
Variable definition and measurement used in the analysis.
Variable name | Definition and measurement |
---|---|
VR-6D index | A single utility index generated from VR-12 |
Radiation therapy | 1 if the patient received radiation therapy after BCS, otherwise 0 |
Race | 0 if the patient was white |
1 if the patient was black | |
2 if the patient was not white nor black (others) | |
Marital status | 0 if the patient was unmarried (single, divorced, and widowed) |
1 if the patient was married | |
Age at diagnosis | 0 if the patient age was 65–69 years |
1 if the patient age was 70–74 years | |
2 if the patient age was 75–79 years | |
3 if the patient age was 80 years or older | |
Tumor grade | 0 if the tumor was well differentiated |
1 if the tumor was moderately differentiated | |
2 if the tumor was poorly differentiated or undifferentiated |
|
Education | 0 if the patient was high-school graduate or less (≤high school) |
1 if the patient had some college degree or 2 years degree |
|
2 if the patient was college graduate or higher | |
Comorbidity | 0 if the patient had no comorbidity |
1 if the patient had 1–2 comorbidities | |
2 if the patient had >2 comorbidities | |
Proxy | If the survey was completed by a third party, i.e. not self-reported |
0 if the survey was completed by the patient herself | |
1 if the survey was completed by a third party | |
Time from cancer diagnosis to survey |
0 if time from cancer diagnosis was ≥0 months but <7 months |
1 if time from cancer diagnosis was ≥7 months but <12 months |
|
2 if time from cancer diagnosis was ≥13 months but <19 months |
|
Time from diagnosis to treatment |
0 if time from diagnosis to treatment <2 months |
1 if time from diagnosis to treatment is ≥2 months | |
Area of residence | 0 if the women reside in non-metro area at the time diagnosis |
1 if the women reside in metro area at the time of diagnosis |
|
Year of diagnosis | The year the patient diagnosis breast cancer |