Table 1.
Characteristics of the study population
| Enrolled 1 (n = 59) | Refused 2 (n = 81) | Unable to contact (n = 130) | p-value 3 | |
|---|---|---|---|---|
| Mean age (range) |
59.9 (55–69) |
60.7 (55–69) |
59.1 (55–68) |
0.54 |
| Non-hispanic white4 |
84.7% |
67.9% |
71.5% |
0.07 |
| Mean years in KPCO |
12.0 |
12.4 |
11.4 |
0.72 |
| Attended College |
70.1% |
67.1% |
66.5% |
0.41 |
| Mean BMI |
28.0 |
26.3 |
29.2 |
0.81 |
| History of breast biopsy | 6.8% | 2.5% | 5.4% | 0.49 |
1Enrolled and returned specimens and questionnaire.
2Opt-out or refused over the phone.
3p-value compares enrolled to all others.
4Self reported race/ethnicity.