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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.