Table 1. Percent Distribution of Mammography Rescreening for California Fee-for-Service Medicare Women, by Demographic Characteristic, 1992-1998.
| Demographic Characteristic | Mammography Use | |||
|---|---|---|---|---|
|
|
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| Total | Non-Screener | Irregular Screener | Regular Screener | |
|
|
||||
| (N = 515,746) | (n =167,982) | (n = 244,619) | (n = 103,145) | |
|
| ||||
| Percent Distribution | ||||
| Overall Individual Level Factors | — | 32.57 | 47.43 | 20.00 |
| Age | ||||
| 65-69 Years | 172,843 | 23.45 | 49.90 | 26.65 |
| 70-74 Years | 148,937 | 26.91 | 50.06 | 23.03 |
| 75-79 Years | 104,460 | 35.54 | 48.36 | 16.10 |
| 80-84 Years | 58,647 | 48.79 | 42.45 | 8.76 |
| 85 Years or Over | 30,859 | 70.09 | 27.20 | 2.71 |
| Race | ||||
| White | 446,049 | 31.02 | 47.51 | 21.47 |
| Black | 22,898 | 42.64 | 46.68 | 10.68 |
| Other | 46,799 | 42.43 | 47.05 | 10.52 |
| Medicaid | ||||
| Medicare-Only | 393,921 | 28.00 | 48.24 | 23.76 |
| Medicare and Medicaid | 121,825 | 47.35 | 44.82 | 7.83 |
| Region | ||||
| Orange | 34,300 | 29.72 | 44.66 | 25.63 |
| North | 47,167 | 30.47 | 47.66 | 21.87 |
| Sacramento | 48,955 | 29.12 | 49.58 | 21.30 |
| Tri-County | 26,594 | 29.51 | 50.20 | 20.29 |
| Bay Area | 65,402 | 32.93 | 46.69 | 20.38 |
| Central | 53,506 | 31.17 | 50.17 | 18.66 |
| San Diego | 39,590 | 32.58 | 47.42 | 20.00 |
| Santa Clara | 37,471 | 31.78 | 49.24 | 18.97 |
| Los Angeles | 131,337 | 36.58 | 44.98 | 18.45 |
| Inland Empire | 31,424 | 32.63 | 49.39 | 17.98 |
| Community Level Factors Income Quintile | ||||
| Lowest | 104,055 | 36.97 | 47.04 | 15.98 |
| Low | 100,812 | 33.98 | 47.78 | 18.25 |
| Middle | 102,401 | 32.51 | 47.81 | 19.68 |
| High | 102,884 | 31.27 | 47.34 | 21.39 |
| Highest | 105,594 | 28.22 | 47.20 | 24.59 |
| College Education (Quintiles) | ||||
| 1st (Low) | 112,723 | 37.59 | 47.23 | 15.18 |
| 2nd | 242,460 | 32.78 | 47.60 | 19.62 |
| 3rd | 134,636 | 29.35 | 47.24 | 23.42 |
| 4th | 24,777 | 25.50 | 47.76 | 26.74 |
| 5th (High) | 1,150 | 26.26 | 46.96 | 26.78 |
| Persons in ZIP Code Mexican | ||||
| Less than or Equal to 50 Percent | 483,718 | 31.99 | 47.51 | 20.51 |
| More than 50 Percent | 32,028 | 41.41 | 46.24 | 12.34 |
| Asian | ||||
| Less than or Equal to 50 Percent | 512,772 | 32.49 | 47.46 | 20.05 |
| More than 50 Percent | 2,974 | 45.93 | 42.27 | 11.80 |
| Rural | ||||
| Less than or Equal to 50 Percent | 475,688 | 32.73 | 47.34 | 19.93 |
| More than 50 Percent | 40,058 | 30.65 | 48.51 | 20.83 |
SOURCES: Centers for Medicare & Medicaid Services Enrollment Database and Medicare Part B billing data 1992-1998 and U.S. Census Bureau 1990 data.