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Demographic information
| Immediate Reading | |||
|---|---|---|---|
| Yes (n = 564) | No (n = 576) | p-Value | |
| Age (%) | |||
| 40–49 | 37.8 | 41.7 | |
| 50–64 | 44.7 | 46.2 | |
| 65–74 | 12.4 | 10.1 | |
| 75+ | 5.1 | 2.1 | .020 |
| Current smokers, (%) | 11.5 | 10.6 | .615 |
| Ever smoked (%) | 48.8 | 47.9 | .776 |
| Family history of breast cancer (%) | 33.2 | 31.8 | .618 |
| Caucasian (%) | 79.1 | 79.3 | .913 |
| Married (%) | 58.7 | 62.3 | .209 |
| Some college or higher (%) | 77.5 | 84.7 | .002 |
| Charlson score, mean (SD) | 0.25 (0.51) | 0.26 (0.53) | .985 |
t-Test for continuous data, chi square for count/categorical data
