Table 1.
Change in Screening Mammogram Rates per 100 Female Residents Age 40 to 64 Living in Households at less than 150% of the Poverty Level (N = 398 Census Tracts in Chicago’s Near South and Southwest Side)
| Mean (SD) Rate per 100 Baseline Cycle (8/2011–7/2013) | Mean (SD) Rate per 100 Follow-up Cycle (8/2013–7/2015) | Mean (SD) Change in Rate per 100 | |
|---|---|---|---|
| Study catchment area census tracts (N = 398) | |||
| All area Medicaid/age 40–49 | 21.2 (29.6) | 29.1 (38.0) | 7.8 (13.2) |
| All area Medicaid/age 50–64 | 15.8 (24.9) | 31.4 (31.8) | 15.5 (15.8) |
| All area IBCCP/free care age 40–49 | 10.8 (13.3) | 22.3 (35.5) | 11.9(22.3) |
| All area IBCCP/free care age 50–64 | 16.1 (19.2) | 22.8 (30.6) | 6.3 (24.1) |
| All area both programs/age 40–49 | 32.0 (35.2) | 51.9 (51.5) | 19.8 (25.5) |
| All area both programs age 50–64 | 31.1 (35.2) | 53.7 (53.0) | 21.8 (30.4) |
| < 1% Chinese ancestry census tracts (n = 297) | |||
| Medicaid <1% Chinese census tracts age 40–49 | 19.4 (13.6) | 27.4 (20.7) | 8.0 (11.7) |
| Medicaid <1% Chinese census tracts age 50–64 | 14.9 (12.4) | 30.4 (22.6) | 15.5 (14.9) |
| IBCCP/free care <1% Chinese census tracts age 40–49 | 8.8 (11.5) | 18.9 (27.6) | 10.1 (20.0) |
| IBCCP/free care <1% Chinese census tracts age 50–64 | 15.4 (19.4) | 20.1 (35.7) | 4.8 (23.3) |
| Both programs <1% Chinese census tracts age 40–49 | 28.2 (21.2) | 46.3 (37.6) | 18.1 (22.2) |
| Both programs <1% Chinese census tracts age 50–64 | 30.3 (27.1) | 50.5 (49.5) | 20.3 (29.4) |
| 1%–20% Chinese ancestry census tracts (n = 85) | |||
| Medicaid 1%–20% Chinese census tracts age 40–49 | 25.2 (58.3) | 32.3 (72.0) | 7.1 (17.9) |
| Medicaid 1%–20% Chinese census tracts age 50–64 | 20.0 (48.8) | 35.7 (54.1) | 15.7 (19.8) |
| IBCCP/free care 1%–20% Chinese census tracts age 40–49 | 14.1 (15.0) | 25.9 (29.2) | 11.9 (21.9) |
| IBCCP/free care 1%–20% Chinese census tracts age 50%–64 | 16.6 (19.4) | 25.7 (36.1) | 9.1 (27.1) |
| Both programs 1%–20% Chinese census tracts age 40–49 | 39.3 (62.0) | 58.2 (77.0) | 19.0 (27.6) |
| Both programs 1%–20% Chinese census tracts age 50–64 | 36.6 (53.6) | 61.4 (66.5) | 24.8 (34.4) |
| > 20% Chinese ancestry census tracts (n = 16) | |||
| Medicaid >20% Chinese census tracts age 40–49 | 34.2 (14.9) | 42.7 (22.8) | 8.6 (10.7) |
| Medicaid >20% Chinese census tracts age 50%–64 | 9.4 (3.5) | 26.3 (7.4) | 16.9 (7.7) |
| IBCCP/free care >20% Chinese census tracts age 40–49 | 31.7 (15.9) | 78.5 (38.1) | 46.8 (35.4) |
| IBCCP/free care >20% Chinese census tracts age 50–64 | 26.4 (11.1) | 45.7 (18.5) | 19.3 (16.1) |
| Both programs >20% Chinese census tracts age 40–49 | 65.9 (27.2) | 121.2 (57.9) | 55.4 (42.3) |
| Both programs >20% Chinese census tracts age 50–64 | 35.9 (11.3) | 72.0 (24.1) | 36.2 (21.7) |