Table 2.
Colorectal 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 | 2,613 | 7,519,132 | 34.75 | 44.41 | 24.58 | 30.72 |
$24,561 < Income 2nd < = $27,991 | 51 | 3,684 | 7,501,518 | 49.11 | 54.85 | 31.52 | 35.10 |
$27,991 < Income 3rd < = $29,928 | 51 | 4,491 | 7,507,206 | 59.82 | 61.25 | 35.68 | 37.63 |
$29,928 < Income 4th < = $33,652 | 51 | 10,311 | 20,848,852 | 49.46 | 60.50 | 30.93 | 32.53 |
$33,652 < Income High < = $68,003 | 50 | 21,738 | 55,378,453 | 39.25 | 61.48 | 29.92 | 32.49 |
Total 1995–1999 | 254 | 42,837 | 98,755,161 | 43.38 | 59.17 | 30.32 | 32.92 |
2000–2003 | |||||||
Income Low < = $27,903 | 51 | 2,327 | 5,906,663 | 39.40 | 48.68 | 28.46 | 31.80 |
$27,903 < Income 2nd < = $30,837 | 51 | 3,240 | 7,061,942 | 45.88 | 53.79 | 32.40 | 31.46 |
$30,837 < Income 3rd < = $33,259 | 51 | 3,584 | 6,640,631 | 53.97 | 57.95 | 33.09 | 35.15 |
$33,259 < Income 4th < = $37,476 | 51 | 5,695 | 9,934,760 | 57.32 | 61.86 | 35.11 | 31.87 |
$37,476 < Income High < = $76,188 | 50 | 22,503 | 56,441,381 | 39.87 | 59.17 | 29.49 | 30.29 |
Total 2000–2003 | 254 | 37,349 | 85,985,377 | 43.44 | 58.11 | 30.67 | 31.06 |
2004–2007 | |||||||
Income Low < = $31,024 | 51 | 2,358 | 6,269,232 | 37.61 | 46.00 | 28.52 | 27.89 |
$31,024 < Income 2nd < = $34,102 | 51 | 3,280 | 7,689,131 | 42.66 | 50.03 | 29.97 | 28.91 |
$34,102 < Income 3rd < = $37,540 | 51 | 4,973 | 8,987,466 | 55.33 | 57.25 | 33.86 | 29.34 |
$37,540 < Income 4th < = $42,068 | 51 | 4,971 | 9,094,178 | 54.66 | 56.86 | 31.52 | 29.81 |
$42,068 < Income High < = $75,467 | 50 | 22,220 | 60,318,599 | 36.84 | 51.78 | 25.67 | 26.77 |
Total 2004–2007 | 254 | 37,802 | 92,358,606 | 40.93 | 52.49 | 27.83 | 27.59 |
2008–2011 | |||||||
Income Low < = $34,647 | 51 | 2,322 | 6,774,871 | 34.27 | 40.30 | 26.36 | 22.43 |
$34,647 < Income 2nd < = $38,040 | 51 | 3,643 | 9,040,888 | 40.29 | 46.76 | 27.54 | 26.13 |
$38,040 < Income 3rd < = $42,072 | 51 | 4,758 | 9,184,940 | 51.80 | 50.56 | 30.18 | 26.62 |
$42,072 < Income 4th < = $48,438 | 51 | 10,432 | 26,337,018 | 39.61 | 46.86 | 24.43 | 24.12 |
$48,438 < Income High < = $80,876 | 50 | 16,391 | 48,659,170 | 33.69 | 44.73 | 22.87 | 22.60 |
Total 2008–2011 | 254 | 37,546 | 99,996,887 | 37.53 | 45.76 | 24.67 | 23.68 |
aCases with unknown county were excluded
bPopulation estimates were obtained from US Census Bureau's Population Estimates Program
cIncidence rate was number of cases per 100,000 population, and was age adjusted to the 2000 US population
dColorectal cancer early stage includes in situ and localized. Late stage includes regional and distant