Table 1. Expected and Observed Mammogram Rates for March 20 to February 21 and March 21 to February 22 From a Prediction Model Using the 2017 to 2019 Cohortsa.
| Characteristic | March 20 to February 21 | March 21 to February 22 | ||||
|---|---|---|---|---|---|---|
| Mammogram rate | O/E ratio (95% CI) | Mammogram rate | O/E ratio (95% CI) | |||
| Expected, % (95% CI) | Observed, % | Expected, % (95% CI) | Observed, % | |||
| All | 47.79 (47.68-47.91) | 39.53 | 0.83 (0.82-0.83) | 48.92 (48.75-49.08) | 47.11 | 0.96 (0.96-0.97) |
| Age, y | ||||||
| 50-65 | 35.15 (34.88-35.40) | 27.50 | 0.78 (0.78-0.79) | 35.56 (35.19-35.93 | 32.98 | 0.93 (0.92-0.94) |
| 66-70 | 50.70 (50.54-50.87) | 42.31 | 0.83 (0.83-0.84) | 51.69 (51.45-51.92) | 49.83 | 0.96 (0.96-0.97) |
| 71-74 | 49.51 (49.31-49.71) | 40.91 | 0.83 (0.82-0.83) | 50.78 (50.49-51.07) | 48.80 | 0.96 (0.96-0.97) |
| Race | ||||||
| Black | 44.57 (44.19-44.95) | 37.15 | 0.83 (0.83-0.84) | 45.48 (44.93-46.02) | 43.80 | 0.96 (0.95-0.97) |
| Hispanic | 38.28 (37.80-38.75) | 29.29 | 0.77 (0.76-0.77) | 38.90 (38.22-39.58) | 36.22 | 0.93 (0.92-0.95) |
| White | 48.98 (48.85-49.11) | 40.83 | 0.83 (0.83-0.84) | 50.15 (49.97-50.34) | 48.33 | 0.96 (0.96-0.97) |
| Otherb | 45.36 (44.89-45.82) | 34.96 | 0.77 (0.76-0.78) | 46.55 (45.87-47.22) | 44.77 | 0.96 (0.95-0.98) |
| Medicaid | ||||||
| No | 50.80 (50.68-50.93) | 42.45 | 0.84 (0.83-0.84) | 51.90 (51.72-52.08) | 50.08 | 0.96 (0.96-0.97) |
| Yes | 31.61 (31.35-31.87) | 23.26 | 0.74 (0.73-0.74) | 31.80 (31.43-32.17) | 28.74 | 0.90 (0.89-0.91) |
| PCP | ||||||
| No | 45.82 (45.68-45.96) | 37.72 | 0.82 (0.82-0.83) | 46.99 (46.79-47.19) | 45.78 | 0.97 (0.97-0.98) |
| Yes | 52.57 (52.37-52.78) | 43.94 | 0.84 (0.83-0.84) | 53.92 (53.63-54.22) | 51.59 | 0.96 (0.95-0.96) |
| Comorbidity score | ||||||
| <0 | 51.58 (51.38-51.77) | 42.60 | 0.83 (0.82-0.83) | 53.00 (52.72-53.28) | 50.71 | 0.96 (0.95-0.96) |
| 0 | 46.62 (46.45-46.79) | 38.26 | 0.82 (0.82-0.83) | 47.52 (47.27- 47.77) | 46.04 | 0.97 (0.96-0.97) |
| >0 | 43.68 (43.43-43.92) | 36.89 | 0.84 (0.84-0.85) | 44.63 (44.27-44.98) | 43.72 | 0.98 (0.97-0.99) |
Abbreviations: O/E, observed/expected; PCP, primary care physician.
a
A linear probability model was used for each subcohort, with year as the only variable in the models.
b
Other includes Asian/Pacific Islanders, American Indian/Alaska native or others.