Table 2 Absolute and relative percent changes in invasive and in situ breast cancer rates among non-Hispanic white women aged 50 to 74 years by county rural/urban and poverty status for the years 2001 and 2004 (NAACCR, CINA Deluxe).
| Â | 2001 rate (95% CI) | 2004 rate (95% CI) | Absolute change (95% CI) | Relative change | P value for difference |
|---|---|---|---|---|---|
| Â | Invasive | ||||
Overall | 366.7 (363.8 to 369.6) | 318.4 (315.8 to 321.0) | -48.3 (-52.19 to -44.41) | -13.2% | <0.001 |
Rural/urban status | Â | Â | Â | Â | Â |
Urban | 375.1 (371.9 to 378.3) | 323.5 (320.6 to 326.4) | -51.6 (-55.9 to -47.3) | -13.8% | <0.001 |
Suburban | 327.9 (320.1 to 335.8) | 292.9 (285.7 to 300.2) | -35 (-45.7 to -24.3) | -10.7% | <0.001 |
Rural | 306.2 (292.9 to 320.1) | 283.1 (270.5 to 295.1) | -23.1 (-41.6 to -4.5) | -7.5% | 0.02 |
County poverty level | Â | Â | Â | Â | Â |
Low-poverty counties (<10% below FPL) | 370.4 (365.8 to 375.1) | 322.4 (318.2 to 326.6) | -48 (-54.3 to -41.8) | -13.0% | <0.001 |
Middle-poverty counties (10 to 19.9% below FPL) | 367.0 (363.1 to 371.0) | 316.5 (312.9 to 320.1) | -50.5 (-55.8 to -45.2) | -13.8% | <0.001 |
High-poverty counties (20+% below FPL) | 337.6 (326.2 to 349.2) | 305.1 (294.5 to 316.1) | -32.5 (-48.2 to -16.8) | -9.6% | <0.001 |
| Â | In situ | ||||
Overall | 89.0 (87.6 to 90.4) | 84.7 (83.3, 86.1) | -4.3 (-6.2 to -2.4) | -4.8% | <0.001 |
Rural/urban status | Â | Â | Â | Â | Â |
Urban | 93.2 (91.6 to 94.8) | 88.1 (86.5 to 89.6) | -5.1 (-7.3 to -2.9) | -5.5% | <0.001 |
Suburban | 67.5 (64.0 to 71.2) | 68.7 (65.2 to 72.3) | +1.2 (-3.8 to +6.2) | +1.7% | 0.6 |
Rural | 64.3 (58.2 to 70.8) | 59.1 (53.4 to 65.2) | -5.2 (-13.8 to +3.4) | -8.1% | 0.2 |
County poverty level | Â | Â | Â | Â | Â |
Low-poverty counties (<10% below FPL) | 97.4 (95.1 to 99.8) | 93.9 (91.6 to 96.1) | -3.5 (-6.7 to -0.3) | -3.6% | 0.03 |
Middle-poverty counties (10 to 19.9% below FPL) | 84.0 (82.2 to 86.0) | 78.9 (77.1 to 80.7) | -5.1 (-7.7 to -2.5) | -6.1% | <0.001 |
High-poverty counties (20+% below FPL) | 76.5 (71.1 to 82.2) | 72.6 (67.4 to 78.0) | -3.9 (-11.5 to +3.7) | -5.1% | 0.3 |