Associations of Census-Tract Poverty with Subsite-Specific Colorectal Cancer Incidence Rates and Stage of Disease at Diagnosis in the United States
Table 1
Overall CRC and subsite-specific age-adjusted incidence ratesa for men by poverty and race/ethnicity for selected areasb in the United States, 2005–2010.
CT poverty
CRCc
Proximal colond
Distal colone
Rectumf
IR (95% CI)
IRR
IR (95% CI)
IRR
IR (95% CI)
IRR
IR (95% CI)
IRR
All men
<5% (low)
29,704
49.6 (49–50.2)
Ref
11,563
20.0 (19.6–20.4)
Ref
7,117
11.7 (11.4–12.0)
Ref
9,185
14.8 (14.4–15.1)
Ref
5.0–9.9%
34,495
49.9 (49.4–50.5)
1.01 (0.99–1.02)
13,338
19.8 (19.5–20.1)
0.99 (0.97–1.01)
8,523
12.2 (11.9–12.5)
1.04 (1.01–1.08)
10,576
14.9 (14.6–15.2)
1.01 (0.98–1.04)
10.0–19.9%
39,863
52.5 (51.9–50.0)
1.06 (1.04–1.07)
14,933
20.1 (19.8–20.5)
1.01 (0.98–1.03)
10,052
13.1 (12.8–13.3)
1.12 (1.08–1.15)
12,225
15.7 (15.4–16.0)
1.07 (1.05–1.09)
20+ (high)
26,224
56.6 (55.9–57.3)
1.14 (1.12–1.17)
9,301
20.8 (20.4–21.2)
1.04 (1.01–1.07)
6,813
14.5 (14.2–14.9)
1.24 (1.20–1.28)
8,156
17.0 (16.6–17.4)
1.15 (1.12–1.19)
NHW men
<5% (low)
25,419
49.9 (49.3–50.5)
Ref
10,083
20.3 (19.9–20.7)
Ref
6,015
11.7 (11.4–12.0)
Ref
7,752
14.8 (14.5–15.1)
Ref
5.0–9.9%
28,514
50.5 (49.9–51.1)
1.01 (1.00–1.03)
11,241
20.2 (19.8–20.5)
0.99 (0.96–1.02)
6,954
12.2 (11.9–12.5)
1.05 (1.01–1.09)
8,615
15.1 (14.8–15.4)
1.02 (0.99–1.05)
10.0–19.9%
29,532
53.5 (52.9–54.1)
1.07 (1.05–1.09)
11,318
20.6 (20.2–21.0)
1.01 (0.99–1.04)
7,298
13.1 (12.8–13.4)
1.13 (1.09–1.17)
8,973
16.2 (15.8–16.5)
1.09 (1.06–1.13)
20+ (high)
12,764
58.8 (57.8–59.8)
1.18 (1.15–1.20)
4,632
21.5 (20.9–22.2)
1.06 (1.02–1.10)
3,288
15.1 (14.5–15.6)
1.29 (1.24–1.35)
3,937
18.0 (17.4–18.6)
1.22 (1.17–1.27)
NHB men
<5% (low)
1,262
57.3 (53.8–60.9)
Ref
515
25.0 (22.6–27.5)
Ref
312
14.1 (12.4–15.9)
Ref
343
13.7 (12.1–15.4)
Ref
5.0–9.9%
2,143
54.2 (51.7–56.8)
0.95 (0.88–1.02)
883
23.1 (21.4–24.8)
0.92 (0.82–1.05)
511
12.8 (11.6–14.1)
0.91 (0.78–1.06)
610
14.4 (13.2–15.7)
1.05 (0.91–1.22)
10.0–19.9%
4,199
57.9 (56.0–59.8)
1.01 (0.94–1.08)
1,693
24.5 (23.3–25.8)
0.98 (0.88–1.10)
1,007
13.7 (12.8–14.7)
0.97 (0.85–1.12)
1,166
14.6 (13.7–15.5)
1.07 (0.93–1.22)
20+ (high)
6,955
68.3 (66.6–70.0)
1.19 (1.12–1.28)
2,752
27.9 (26.8–29.0)
1.12 (1.01–1.24)
1,730
16.8 (15.9–17.6)
1.19 (1.04–1.36)
1,913
17.9 (17.0–18.7)
1.31 (1.15–1.49)
Hispanic men
<5% (low)
1,564
51.0 (48.2–53.8)
Ref
549
19.4 (17.7–21.2)
Ref
366
11.7 (10.4–13.1)
Ref
529
15.7 (14.3–17.2)
Ref
5.0–9.9%
2,526
45.8 (43.9–47.8)
0.90 (0.84–0.96)
864
16.6 (15.4–17.8)
0.86 (0.76–0.84)
675
12.0 (11.1–13.1)
1.03 (0.89–1.18)
830
14.2 (13.2–15.2)
0.90 (0.80–1.02)
10.0–19.9%
4,597
46.4 (45.0–47.9)
0.91 (0.85–0.97)
1,510
16.4 (15.5–17.3)
0.84 (0.76–0.94)
1,269
12.4 (11.7–13.2)
1.06 (0.93–1.21)
1,506
14.3 (13.5–15.1)
0.91 (0.82–1.02)
20+ (high)
5,540
44.8 (44.8–46.1)
0.88 (0.83–0.94)
1,673
14.4 (13.6–15.1)
0.74 (0.67–0.83)
1,505
12.1 (11.4–12.7)
1.03 (0.91–1.17)
1,933
14.8 (14.1–15.6)
0.94 (0.85–1.05)
API men
<5% (low)
1,459
39.5 (37.4–41.8)
Ref
416
12.5 (11.3–13.8)
Ref
424
11.4 (10.3–12.6)
Ref
561
14.1 (12.9–15.3)
Ref
5.0–9.9%
1,312
40.2 (38.0–42.6)
1.02 (0.94–1.10)
350
11.5 (10.3–12.8)
0.92 (0.79–1.07)
383
11.8 (10.6–13.1)
1.04 (0.89–1.20)
521
15.1 (13.8–16.5)
1.07 (0.95–1.22)
10.0–19.9%
1,535
43.7 (41.4–46.0)
1.10 (1.02–1.19)
412
12.3 (11.1–13.6)
0.98 (0.85–1.13)
478
13.6 (12.4–14.9)
1.19 (1.04–1.37)
580
15.9 (14.5–17.3)
1.13 (1.00–1.28)
20+ (high)
965
45.1 (42.3–48.1)
1.14 (1.05–1.24)
244
11.9 (10.4–13.5)
0.95 (0.80–1.12)
290
13.6 (12.1–15.3)
1.19 (1.02–1.40)
373
16.9 (15.2–18.7)
1.20 (1.05–1.38)
aRates are per 100,000 persons and age-adjusted to the 2000 US standard population.
bData are from selected population-based cancer registries that participate in the National Program of Cancer Registries (NPCR) and/or the Surveillance Epidemiology and End Results (SEER) Program: Arizona, Colorado, Connecticut, Florida, Georgia, Hawaii, Idaho, Iowa, Louisiana, Minnesota, New York, New Jersey, Texas, Utah, West Virginia, and Los Angeles.
cColon and rectum (CRC) included ICD-O-3 codes C18.0–C18.9, C19.9, C20.9, and C26.0.
dProximal included ICD-O-3 codes C18.0, C18.2, C18.3, C18.4, and C18.5.
eDistal included ICD-O-3 codes 18.6 and C18.7.
fRectum included ICD-O-3 codes C19.9 and C20.9. IR: incidence rate; IRR: incidence rate ratio; CI: confidence interval; CT: census tract; NHW: non-Hispanic white; NHB: non-Hispanic black; API: Asian Pacific Islander. Bold numbers indicate significant associations ; reference (<5% below poverty).
