Table 1.
Woman and Community Level Factors of the Study Population by Urban and Nonurban Location, Breast Cancer Surveillance Consortium 2012–2017
| All,a(N = 393,430), N (%) | Urban (N = 304,104), N (%) | Nonurban (N = 75,954), N (%) | |
|---|---|---|---|
| Woman level factors | |||
| Age group, years | |||
| 40–49 | 90,002 (22.9) | 73,118 (24.0) | 14,049 (18.5) |
| 50–59 | 123,629 (31.4) | 95,987 (31.6) | 23,434 (30.9) |
| 60–69 | 115,805 (29.4) | 87,960 (28.9) | 23,931 (31.5) |
| 70–79 | 52,029 (13.2) | 38,356 (12.6) | 11,759 (15.5) |
| 80+ | 11,965 (3.0) | 8,683 (2.9) | 2,781 (3.7) |
| Race/Ethnicity | |||
| White | 256,535 (65.5) | 172,471 (56.9) | 71,764 (94.8) |
| Black | 14,985 (3.8) | 14,210 (4.7) | 668 (0.9) |
| Asian | 75,587 (19.3) | 74,907 (24.7) | 489 (0.7) |
| Hispanic | 32,547 (8.3) | 30,807 (10.2) | 1,403 (1.9) |
| Other | 12,177 (3.1) | 10,482 (3.5) | 1,376 (1.8) |
| Missing | 1,599 | 1,227 | 254 |
| Education | |||
| <High school graduate | 30,436 (7.8) | 27,057 (9.0) | 2,637 (3.5) |
| High school graduate or GED | 58,605 (15.0) | 34,486 (11.4) | 20,287 (26.8) |
| Some college | 86,298 (22.1) | 64,036 (21.2) | 19,033 (25.2) |
| College graduate | 214,957 (55.1) | 175,869 (58.3) | 33,679 (44.5) |
| Missing | 3,134 | 2,656 | 318 |
| First degree family history breast cancer | |||
| No | 318,827 (82.0) | 249,184 (82.8) | 59,302 (79.5) |
| Yes | 69,976 (18.0) | 54,949 (17.3) | 15,297 (20.5) |
| Missing | 4,627 | 2,971 | 1,355 |
| Personal history of breast cancer | |||
| No | 362,370 (93.4) | 278,622 (93.3) | 71,101 (93.7) |
| Yes | 25,486 (6.6) | 20,020 (6.7) | 4,758 (6.3) |
| Missing | 5,574 | 5,462 | 95 |
| Time since prior mammogram | |||
| No prior mammogram | 15,233 (4.2) | 13,174 (4.7) | 1,639 (2.2) |
| 0–11 months | 7,636 (2.1) | 4,858 (1.7) | 2,544 (3.5) |
| 12–23 months | 227,391 (62.0) | 165,649 (59.0) | 53,012 (72.2) |
| 24–35 months | 85,131 (23.2) | 73,480 (26.2) | 9,639 (13.1) |
| 36–47 months | 15,557 (4.2) | 11,967 (4.3) | 2,972 (4.1) |
| 48+ months | 15,999 (4.4) | 11,496 (4.1) | 3,605 (4.9) |
| Missing | 26,483 | 23,480 | 2,543 |
| Other breast imaging in prior year | |||
| No | 388,742 (98.8) | 300,848 (98.9) | 74,677 (98.3) |
| Yes | 4,688 (1.2) | 3,256 (1.1) | 1,277 (1.7) |
| Community level factors | |||
| Median household income in census block | |||
| < $54,450 | 81,114 (25.0) | 30,204 (12.1) | 42,867 (67.0) |
| $54,452–74,787 | 80,350 (24.8) | 60,055 (24.1) | 18,132 (28.3) |
| $74,816–101,408 | 80,590 (24.9) | 77,850 (31.2) | 2,430 (3.8) |
| > $101,463 | 82,021 (25.3) | 81,132 (32.6) | 588 (0.9) |
| Missing | 69,355 | 54,863 | 11,937 |
| Average health insurance costs in census block | |||
| < $1,828 | 81,012 (25.0) | 43,214 (17.3) | 31,766 (49.6) |
| $1,828–2,281 | 80,035 (24.7) | 53,529 (21.5) | 23,031 (36.0) |
| $2,282–3,188 | 81,394 (25.1) | 72,673 (29.2) | 7,799 (12.2) |
| > $3,188 | 81,634 (25.2) | 79,825 (32.0) | 1,421 (2.2) |
| Missing | 69,355 | 54,863 | 11,937 |
| Proportion with Internet access in census block | |||
| <82 | 81,012 (25.0) | 67,869 (27.2) | 11,247 (17.6) |
| 82–88 | 87,126 (26.9) | 38,360 (15.4) | 41,269 (64.4) |
| 89–94 | 94,190 (29.1) | 82,126 (32.9) | 11,032 (17.2) |
| >94 | 61,766 (19.1) | 60,966 (24.5) | 496 (0.8) |
| Missing | 69,246 | 54,783 | 11,910 |
| Unemployment rate in census block | |||
| <6.8 | 82,771 (25.5) | 43,645 (17.5) | 33,275 (52.0) |
| 6.8–8.7 | 82,620 (25.5) | 61,912 (24.8) | 17,350 (27.1) |
| 8.8–11.3 | 79,688 (24.6) | 70,219 (28.2) | 8,283 (12.9) |
| >11.3 | 78,996 (24.4) | 73,465 (29.5) | 5,109 (8.0) |
| Missing | 69,355 | 54,863 | 11,937 |
| Proportion with households in which no adult speaks English very well in census tract | |||
| None | 249,033 (76.8) | 174,594 (70.0) | 63,748 (99.5) |
| Any (>0%) | 75,151 (23.2) | 74,727 (30.0) | 316 (0.5) |
| Missing | 69,246 | 54,783 | 11,910 |
| Diversity index in census tract | |||
| <25 | 83,950 (25.9) | 17,109 (6.9) | 56,748 (88.7) |
| 25–48 | 82,115 (25.3) | 76,646 (30.8) | 5,037 (7.9) |
| 49–63 | 80,474 (24.8) | 79,069 (31.7) | 1,279 (2.0) |
| >63 | 77,536 (23.9) | 76,417 (30.7) | 953 (1.5) |
| Missing | 69,355 | 54,863 | 11,937 |
a
“All” column includes 13,372 examinations with missing urban status; of these, 385 (2.9%) reported a barrier and 12,987 (97.1%) did not.
GED, general education department.