Background
Methods
Analytic rationale
Breast cancer incidence and population data
Risk factor prevalence data
Estimates of relative risk
EPRT
Alcohol consumption
Physical inactivity
Breastfeeding
Results
Subpopulation variation in breast cancer incidence
California county group | Population | Cases | Ratea
|
---|---|---|---|
Siskiyou/Lassen/Modoc/Trinity | 20,055 | 55 | 258.3 |
Imperial | 6,795 | 21 | 273.5 |
Tulare | 37,287 | 112 | 281.0 |
Tehama/Colusa/Glenn | 17,096 | 53 | 284.8 |
Kern | 72,647 | 215 | 285.1 |
Stanislaus | 58,641 | 179 | 294.6 |
Mendocino/Lake | 29,368 | 93 | 295.9 |
Madera | 15,356 | 48 | 299.2 |
San Joaquin | 62,562 | 195 | 300.0 |
Humboldt/Del Norte | 28,529 | 88 | 304.6 |
San Luis Obispo | 46,319 | 151 | 306.0 |
San Bernardino | 163,317 | 512 | 307.1 |
Butte | 38,390 | 131 | 309.7 |
Monterey/San Benito | 46,548 | 151 | 309.8 |
Riverside | 194,069 | 666 | 309.9 |
Merced | 20,340 | 67 | 310.4 |
Tuolumne/Alpine/Amador/Calaveras/Inyo/Mariposa/Mono | 40,654 | 138 | 312.3 |
Shasta | 34,222 | 115 | 318.1 |
Yolo | 20,875 | 66 | 318.6 |
Santa Cruz | 40,217 | 123 | 318.7 |
Sonoma | 87,289 | 283 | 322.7 |
El Dorado | 33,311 | 106 | 322.8 |
Fresno | 76,816 | 262 | 323.2 |
Santa Barbara | 54,635 | 190 | 324.2 |
Placer | 49,738 | 165 | 328.2 |
Sutter/Yuba | 19,714 | 68 | 329.6 |
Nevada/Plumas/Sierra | 28,648 | 100 | 329.8 |
San Diego | 349,009 | 1,193 | 330.0 |
Kings | 10,115 | 35 | 333.5 |
Los Angeles | 744,519 | 2,656 | 338.5 |
Solano | 42,593 | 142 | 338.6 |
Orange | 348,248 | 1,217 | 340.2 |
Ventura | 98,544 | 344 | 348.3 |
Sacramento | 161,327 | 581 | 349.8 |
Alameda | 139,371 | 490 | 353.1 |
Santa Clara | 177,331 | 643 | 354.9 |
Contra Costa | 136,317 | 488 | 355.7 |
Napa | 22,552 | 87 | 361.1 |
San Mateo | 90,534 | 341 | 362.6 |
San Francisco | 63,036 | 242 | 374.4 |
Marin | 54,688 | 206 | 374.8 |
All California | 3,781,621 | 13,019 | 331.6 |
SEER | 80,072 | 315.6 |
EPRT
Estrogen/progestin hormone therapy | Consumption of 2+ alcoholic beverages | Physical inactivity | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
California county group | Exposure prevalence | PAR forRR = 1.26 | Ratea if exposure removed | N cases due to exposure | Exposure prevalence | PAR for RR = 1.4 | Ratea if exposure removed | N cases due to exposure | Exposure prevalence | PAR for RR = 1.3 | Ratea if exposure removed | N cases due to exposure |
Siskiyou/Lassen/Trinity/Modoc | 10.00% | 2.50% | 251.8 | 1 | 5.00% | 2.00% | 253.2 | 1 | 30.8 | 8.50% | 236.5 | 8 |
Imperial | 16.70% | 4.20% | 262.1 | 1 | 0.00% | 0.00% | 273.5 | 0 | 34.1 | 9.30% | 248.1 | 4 |
Tulare | 19.40% | 4.80% | 267.5 | 5 | 5.60% | 2.20% | 274.9 | 2 | 33 | 9.00% | 255.7 | 17 |
Tehama/Glenn/Colusa | 11.80% | 3.00% | 276.4 | 2 | 0.00% | 0.00% | 284.8 | 0 | 32.1 | 8.80% | 259.8 | 9 |
Kern | 11.40% | 2.90% | 276.9 | 6 | 8.60% | 3.30% | 275.7 | 7 | 30.7 | 8.40% | 261.1 | 25 |
Stanislaus | 13.00% | 3.30% | 285 | 6 | 7.30% | 2.80% | 286.3 | 5 | 34.6 | 9.40% | 266.9 | 22 |
Mendocino, Lake | 13.30% | 3.40% | 286 | 3 | 6.50% | 2.50% | 288.5 | 2 | 30.5 | 8.40% | 271.1 | 13 |
Madera | 13.30% | 3.40% | 289.2 | 2 | 0.00% | 0.00% | 299.2 | 0 | 24.8 | 6.90% | 278.5 | 5 |
San Joaquin | 12.10% | 3.10% | 290.8 | 6 | 4.60% | 1.80% | 294.6 | 3 | 29.4 | 8.10% | 275.7 | 23 |
Humboldt/Del Norte | 17.90% | 4.40% | 291.1 | 4 | 7.10% | 2.80% | 296.1 | 2 | 27.5 | 7.60% | 281.4 | 8 |
San Luis Obispo | 15.70% | 3.90% | 294 | 6 | 5.90% | 2.30% | 299 | 3 | 23.5 | 6.60% | 285.8 | 19 |
San Bernadino | 16.80% | 4.20% | 294.3 | 21 | 5.80% | 2.30% | 300.2 | 12 | 29.8 | 8.20% | 281.9 | 52 |
Butte | 12.50% | 3.20% | 300 | 4 | 7.50% | 2.90% | 300.7 | 4 | 26.9 | 7.50% | 286.6 | 21 |
Monterey/San Benito | 18.20% | 4.50% | 295.8 | 7 | 9.10% | 3.50% | 298.9 | 5 | 26.5 | 7.40% | 287 | 17 |
Riverside | 13.10% | 3.30% | 299.7 | 22 | 7.50% | 2.90% | 300.8 | 19 | 30.2 | 8.30% | 284.2 | 115 |
Merced | 16.70% | 4.20% | 297.5 | 3 | 0.00% | 0.00% | 310.4 | 0 | 36.7 | 9.90% | 279.6 | 10 |
Tuolumne/Calaveras/Amador/Inyo/Mariposa/Mono/Alpine | 14.00% | 3.50% | 301.4 | 5 | 11.60% | 4.40% | 298.4 | 6 | 23.7 | 6.60% | 291.6 | 19 |
Shasta | 14.30% | 3.60% | 306.7 | 4 | 5.70% | 2.20% | 311 | 3 | 26.8 | 7.40% | 294.4 | 14 |
Yolo | 19.10% | 4.70% | 303.6 | 3 | 9.50% | 3.70% | 306.9 | 2 | 30.8 | 8.50% | 291.7 | 5 |
Santa Cruz | 21.10% | 5.20% | 302.2 | 6 | 12.80% | 4.90% | 303.2 | 6 | 19.4 | 5.50% | 301.2 | 2 |
Sonoma | 18.60% | 4.60% | 307.8 | 13 | 12.80% | 4.90% | 307 | 14 | 22.8 | 6.40% | 302 | 19 |
El Dorado | 13.20% | 3.30% | 312.1 | 3 | 12.80% | 4.90% | 307.1 | 5 | 20.7 | 5.80% | 303.9 | 5 |
Fresno | 16.90% | 4.20% | 309.6 | 11 | 6.50% | 2.50% | 315 | 7 | 28.7 | 7.90% | 297.6 | 33 |
Santa Barbara | 16.70% | 4.20% | 310.7 | 8 | 7.40% | 2.90% | 314.9 | 5 | 24.8 | 6.90% | 301.7 | 25 |
Placer | 13.20% | 3.30% | 317.3 | 5 | 9.40% | 3.60% | 316.3 | 6 | 20.5 | 5.80% | 309.2 | 11 |
Sutter/Yuba | 10.00% | 2.50% | 321.3 | 2 | 5.00% | 2.00% | 323.1 | 1 | 30.9 | 8.50% | 301.6 | 9 |
Nevada/Plumas/Sierra | 17.20% | 4.30% | 315.7 | 4 | 13.80% | 5.20% | 312.6 | 5 | 21.5 | 6.10% | 309.8 | 11 |
San Diego | 19.30% | 4.80% | 314.2 | 57 | 9.90% | 3.80% | 317.4 | 46 | 23.4 | 6.60% | 308.4 | 117 |
Kings | 11.10% | 2.80% | 324.1 | 1 | 0.00% | 0.00% | 333.5 | 0 | 41.2 | 11.00% | 296.8 | 5 |
Los Angeles | 18.10% | 4.50% | 323.3 | 119 | 7.90% | 3.10% | 328.2 | 81 | 30.5 | 8.40% | 310.1 | 347 |
Solano | 15.60% | 3.90% | 325.4 | 6 | 8.90% | 3.40% | 327 | 5 | 23.6 | 6.60% | 316.2 | 7 |
Orange | 19.30% | 4.80% | 324 | 58 | 9.20% | 3.60% | 328.1 | 43 | 27.7 | 7.70% | 314.1 | 123 |
Ventura | 17.00% | 4.20% | 333.6 | 15 | 5.00% | 1.90% | 341.5 | 7 | 26.2 | 7.30% | 322.9 | 26 |
Sacramento | 18.20% | 4.50% | 334 | 26 | 10.70% | 4.10% | 335.5 | 24 | 25.1 | 7.00% | 325.3 | 56 |
Alameda | 22.90% | 5.60% | 333.3 | 27 | 12.10% | 4.60% | 336.7 | 23 | 24.1 | 6.70% | 329.3 | 31 |
Santa Clara | 18.80% | 4.70% | 338.4 | 30 | 9.30% | 3.60% | 342.1 | 23 | 26.7 | 7.40% | 328.6 | 60 |
Contra Costa | 20.10% | 5.00% | 338 | 24 | 11.00% | 4.20% | 340.8 | 20 | 24.2 | 6.80% | 331.6 | 36 |
Napa | 22.70% | 5.60% | 341 | 5 | 9.10% | 3.50% | 348.4 | 3 | 24.1 | 6.70% | 336.8 | 11 |
San Mateo | 13.30% | 3.40% | 350.5 | 11 | 14.10% | 5.40% | 343.2 | 18 | 25 | 7.00% | 337.3 | 36 |
San Francisco | 20.30% | 5.00% | 355.7 | 12 | 13.50% | 5.10% | 355.2 | 12 | 22.2 | 6.20% | 351 | 21 |
Marin | 20.40% | 5.00% | 356 | 10 | 16.40% | 6.10% | 351.8 | 13 | 16.2 | 4.60% | 357.4 | 11 |
All California | 17.50% | 4.40% | 317.2 | 567 | 9.00% | 3.50% | 320.1 | 450 | 27.1 | 7.50% | 306.7 | 1422 |