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Table 1 Number of womena diagnosed with breast cancer, population estimatesb, and age-adjusted breast cancer incidence ratec in Texas, 1995–2011, stratified by median household income and tumor staged factors

From: Risks of developing breast and colorectal cancer in association with incomes and geographic locations in Texas: a retrospective cohort study

Breast cancer: median household income quintiles

Counties

Casesa

Populationb

Crude incidence rate per 100,000

Age-adjusted incidence rate per 100,000c

Early stage age-adjusted incidence rate per 100,000c,d

Late stage age-adjusted incidence rate per 100,000c,d

1995–1999

       

 Income Low < = $24,561

51

3,611

3,866,891

93.38

112.12

74.62

37.86

$24,561 < Income 2nd < = $27,991

51

4,746

3,799,073

124.93

133.27

88.80

44.36

$27,991 < Income 3rd < = $29,928

51

5,569

3,760,530

148.09

147.20

103.60

43.92

$29,928 < Income 4th < = $33,652

51

14,210

10,583,649

134.26

150.55

106.60

43.93

$33,652 < Income High < = $68,003

50

35,470

27,844,877

127.38

166.25

118.21

47.93

 Total 1995–1999

254

63,606

49,855,020

127.58

153.87

108.32

45.56

2000–2003

       

 Income Low < = $27,903

51

2,967

2,998,469

98.95

114.85

81.19

33.81

$27,903 < Income 2nd < = $30,837

51

4,310

3,575,541

120.54

131.13

89.05

41.98

$30,837 < Income 3rd < = $33,259

51

4,654

3,299,143

141.07

143.66

100.71

43.16

$33,259 < Income 4th < = $37,476

51

7,568

5,025,927

150.58

155.20

111.73

43.65

$37,476 < Income High < = $76,188

50

38,077

28,387,872

134.13

168.50

121.09

47.33

 Total 2000–2003

254

57,576

43,286,952

133.01

157.58

112.52

45.05

2004–2007

       

 Income Low < = $31,024

51

2,901

3,184,129

91.11

104.48

77.26

45.47

$31,024 < Income 2nd < = $34,102

51

4,209

3,846,869

109.41

118.38

82.69

51.54

$34,102 < Income 3rd < = $37,540

51

6,271

4,491,946

139.61

137.83

96.68

52.90

$37,540 < Income 4th < = $42,068

51

6,290

4,600,724

136.72

136.46

96.73

49.81

$42,068 < Income High < = $75,467

50

38,373

30,404,444

126.21

152.32

106.24

47.39

 Total 2004–2007

254

58,044

46,528,112

124.75

142.81

100.50

48.52

2008–2011

       

 Income Low < = $34,647

51

3,117

3,467,854

89.88

98.95

73.97

41.65

$34,647 < Income 2nd < = $38,040

51

5,041

4,502,366

111.96

119.40

87.47

45.37

$38,040 < Income 3rd < = $42,072

51

6,448

4,582,487

140.71

132.31

95.02

49.30

$42,072 < Income 4th < = $48,438

51

17,738

13,333,909

133.03

144.10

104.09

43.68

$48,438 < Income High < = $80,876

50

32,107

24,519,373

130.95

151.51

111.76

41.16

 Total 2008–2011

254

64,451

50,405,989

127.86

141.07

103.59

43.08

  1. aCases with unknown county were excluded
  2. bFemale population estimates were obtained from US Census Bureau's Population Estimates Program
  3. cIncidence rate was number of cases per 100,000 population, and was age adjusted to the 2000 US population
  4. dBreast cancer early stage includes in situ and localized. Late stage includes regional and distant