Table 4.
Age-adjusted incidence rates (number of breast cancer cases per 100,000 women) by age groups, race/ethnicity, and time period
| Race/Ethnicity | Age 20–44 yrs | Age 45–54 yrs | Age ≥55 yrs | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N. Population | N. Cases | Incidence rate (95% CI) | Rate ratio (95% CI) | N. Population | N. Cases | Incidence rate (95% CI) | Rate ratio (95% CI) | N. Population | N. Cases | Incidence rate (95% CI) | Rate ratio (95% CI) | |
| 2000–2005 | ||||||||||||
| Non-Hispanic Asians and Pacific Islanders | 8,720,162 | 3,663 | 45.3 (43.8, 46.8) | 1.00 (ref) | 3,050,172 | 5,628 | 184.5 (179.7, 189.4) | 1.00 (ref) | 4,091,879 | 10,168 | 247.5 (242.7, 252.4) | 1.00 (ref) |
| Non-Hispanic white | 49,156,031 | 25,126 | 49.2 (48.6, 49.8) | 1.09 (1.05, 1.13) | 22,354,647 | 50,484 | 225.0 (223.1, 227.0) | 1.22 (1.19, 1.25) | 40,237,302 | 168,182 | 418.3 (416.3, 420.3) | 1.69 (1.66, 1.72) |
| Non-Hispanic black | 11,228,415 | 5,656 | 52.9 (51.6, 54.3) | 1.17 (1.12, 1.22) | 3,864,214 | 8,104 | 210.1 (205.5, 214.7) | 1.14 (1.10, 1.18) | 5,022,800 | 17,213 | 347.7 (342.5, 353.0) | 1.40 (1.37, 1.44) |
| American Indians and Alaska Natives | 789,144 | 258 | 34.2 (30.2, 38.7) | 0.76 (0.67, 0.86) | 289,763 | 425 | 146.9 (133.2, 161.5) | 0.80 (0.72, 0.88) | 324,474 | 724 | 231.6 (214.5, 249.8) | 0.94 (0.86, 1.01) |
| Hispanics | 18,853,130 | 5,778 | 36.7 (35.7, 37.6) | 0.81 (0.78, 0.84) | 4,459,288 | 7,188 | 162.2 (158.5, 166.0) | 0.88 (0.85, 0.91) | 5,003,640 | 13,248 | 269.9(265.3, 274.7) | 1.09 (1.06, 1.12) |
| Total (2000–2005) | 88,746,882 | 40,481 | 46.9 (46.5, 47.4) | 34,018,084 | 71,829 | 210.9 (209.4, 212.5) | 54,680,095 | 209,535 | 384.6 (383.0, 386.3) | |||
| 2006–2011 | ||||||||||||
| Non-Hispanic Asians | 9,865,153 | 4,339 | 46.9 (45.5, 48.3) | 1.00 (ref) | 3,677,948 | 6,979 | 189.3 (184.9, 193.8) | 1.00 (ref) | 5,643,157 | 14,402 | 257.1 (252.8, 261.4) | 1.00 (ref) |
| Non-Hispanic white | 44.816,003 | 22,417 | 51.3 (50.7, 52.0) | 1.10 (1.06, 1,13) | 22,828,283 | 50,544 | 220.2 (218.3, 222.1) | 1.16 (1.13, 1.19) | 44,464,380 | 176,378 | 403.0 (401.1, 405.0) | 1.57 (1.54, 1.60) |
| Non-Hispanic black | 11,158,040 | 5,731 | 55.7 (54.2, 57.1) | 1.19 (1.14, 1.24) | 4,421,680 | 9,192 | 207.4 (203.1, 211.7) | 1.10 (1.06, 1.13) | 6,125,728 | 21,951 | 368.8 (363.8, 373.8) | 1.43 (1.40, 1.47) |
| American Indians and Alaska Natives | 763,242 | 254 | 37.5 (33.0, 42.4) | 0.80 (0.70, 0.91) | 320,396 | 462 | 143.9 (131.1, 157.7) | 0.76 (0.69, 0.84) | 408,905 | 1,057 | 264.2 (247.8, 281.4) | 1.03 (0.96, 1.10) |
| Hispanics | 21,536,450 | 6,801 | 36.8 (35.9, 37.7) | 0.78 (0.76, 0.82) | 5,993,616 | 9,515 | 159.2 (156.0, 162.5) | 0.84 (0.82, 0.87) | 6,882,215 | 18,144 | 271.0 (267.0, 275.1) | 1.05 (1.03, 1.08) |
| Total (2006–2011) | 88,138,888 | 39,542 | 48.0 (47.5, 48.5) | 37,241,923 | 76,692 | 205.1 (203.7, 206.6) | 63,524,385 | 231,932 | 372.4 (370.9, 374.0) | |||
| 2012–2018 | ||||||||||||
| Non-Hispanic Asians | 13,058,803 | 6,160 | 49.5 (48.3, 50.8) | 1.00 (ref) | 4,828,472 | 10,180 | 210.5 (206.4, 214.6) | 1.00 (ref) | 8,913,612 | 24,942 | 280.7 (277.2, 284.3) | 1.00 (ref) |
| Non-Hispanic white | 50,295,413 | 24,146 | 52.9 (52.2, 53.5) | 1.07 (1.04, 1.10) | 23,638,499 | 53,601 | 224.4 (222.5, 226.3) | 1.07 (1.04, 1.09) | 58,230,079 | 231,912 | 404.1 (402.4, 405.7) | 1.44 (1.42, 1.46) |
| Non-Hispanic black | 13,690,032 | 6,549 | 55.2 (53.9, 56.6) | 1.12 (1.08, 1.16) | 5,214,970 | 11,247 | 213.8 (209.8, 217.8) | 1.02 (0.99, 1.04) | 9,035,451 | 33,532 | 382.2 (378.0, 386.4) | 1.36 (1.34, 1.38) |
| American Indians and Alaska Natives | 916,560 | 334 | 44.1 (39.5, 49.2) | 0.89 (0.80, 1.00) | 347,538 | 566 | 161.2 (148.1, 175.1) | 0.77 (0.70, 0.83) | 619,325 | 1,749 | 290.0 (276.0, 304.5) | 1.03 (0.98, 1.09) |
| Hispanics | 27,662,537 | 9,644 | 40.5 (39.7, 41.4) | 0.82 (0.79, 0.86) | 8,461,741 | 14,126 | 166.9 (164.2, 169.7) | 0.79 (0.77, 0.81) | 11,197,018 | 30,865 | 282.9 (279.6, 286.2) | 1.01 (0.99, 1.03) |
| Total (2012–2018) | 105,623,345 | 46,833 | 49.6 (49.1, 50.0) | 42,491,220 | 89,720 | 209.5 (208.1, 210.9) | 87,995,485 | 323,000 | 374.3 (373.0, 375.6) | |||
| Total (2000–2018) | 282,509,115 | 126,856 | 48.2 (48.0, 48.5) | 113,751,227 | 238,241 | 208.4 (207.6, 209.3) | 206,199,965 | 764,467 | 376.5 (375.7, 377.4) | |||
*
Incidence rates were age adjusted to the 2000 US population in each of the 3 age groups.