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Table 1 Average annual population counts, number of invasive breast cancer cases, and incidence rates in California Health Interview Survey-defined California county groups for non-Hispanic white women aged 40–79, 1998–2002.

From: Population attributable risk of breast cancer in white women associated with immediately modifiable risk factors

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
  1. a per 100,000/year and age-adjusted to the 2000 U.S. standard.