Table 5.
Overall CRC and subsite mortality rates by SES quintiles and ethnicity, California 1999-2001a
| Total CRC
|
Colon
|
Rectum and rectosigmoid junction
|
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n | Rate | MRR | (95% CI) | n | Rate | MRR | (95% CI) | n | Rate | MRR | (95% CI) | ||
| All | Q1 | 2,036 | 64.5 | 1.00 | 1,709 | 54.3 | 1.00 | 327 | 10.2 | 1.00 | |||
| Q2 | 3,018 | 66.8 | 1.03 | (0.98-1.09) | 2,563 | 56.7 | 1.04 | (0.98-1.11) | 455 | 10.1 | 0.98 | (0.85-1.14) | |
| Q3 | 3,179 | 62.3 | 0.97 | (0.91-1.02) | 2,699 | 52.9 | 0.97 | (0.92-1.03) | 480 | 9.4 | 0.92 | (0.80-1.07) | |
| Q4 | 3,303 | 62.6 | 0.97 | (0.92-1.03) | 2,807 | 53.2 | 0.98 | (0.92-1.04) | 496 | 9.4 | 0.92 | (0.80-1.06) | |
| Q5 | 2,979 | 57.4 | 0.89 | (0.84-0.94) | 2,539 | 49.0 | 0.90 | (0.85-0.96) | 440 | 8.4 | 0.82 | (0.71-0.95) | |
| Non-Hispanic White | Q1 | 985 | 76.8 | 1.00 | 819 | 63.5 | 1.00 | 166 | 13.3 | 1.00 | |||
| Q2 | 2,079 | 70.7 | 0.92 | (0.85-0.99) | 1,755 | 59.4 | 0.94 | (0.86-1.02) | 324 | 11.2 | 0.84 | (0.69-1.02) | |
| Q3 | 2,433 | 63.2 | 0.82 | (0.76-0.89) | 2,061 | 53.3 | 0.84 | (0.77-0.91) | 372 | 9.8 | 0.74 | (0.61-0.89) | |
| Q4 | 2,655 | 62.8 | 0.82 | (0.76-0.88) | 2,270 | 53.7 | 0.85 | (0.78-0.92) | 385 | 9.2 | 0.69 | (0.57-0.83) | |
| Q5 | 2,544 | 58.5 | 0.76 | (0.71-0.82) | 2,178 | 50.1 | 0.79 | (0.73-0.86) | 366 | 8.3 | 0.63 | (0.52-0.76) | |
| African American | Q1 | 420 | 100.4 | 1.00 | 370 | 88.5 | 1.00 | 50 | 11.8 | 1.00 | |||
| Q2 | 317 | 98.1 | 0.98 | (0.84-1.13) | 274 | 84.7 | 0.96 | (0.81-1.12) | 43 | 13.4 | 1.13 | (0.73-1.74) | |
| Q3 | 213 | 91.7 | 0.91 | (0.77-1.08) | 194 | 82.9 | 0.94 | (0.78-1.12) | 19 | 8.8 | 0.74 | (0.41-1.29) | |
| Q4 | 153 | 89.8 | 0.90 | (0.73-1.08) | 128 | 74.9 | 0.85 | (0.68-1.04) | 25 | 14.9 | 1.26 | (0.74-2.10) | |
| Q5 | 63 | 80.2 | 0.80 | (0.59-1.06) | 58 | 74.7 | 0.84 | (0.62-1.13) | ˆ | ˆ | ˆ | ˆ | |
| Hispanic | Q1 | 490 | 43.5 | 1.00 | 400 | 36.2 | 1.00 | 90 | 7.3 | 1.00 | |||
| Q2 | 406 | 50.9 | 1.17 | (1.02-1.34) | 356 | 44.4 | 1.23 | (1.05-1.43) | 50 | 6.5 | 0.89 | (0.60-1.29) | |
| Q3 | 310 | 54.3 | 1.25 | (1.07-1.45) | 257 | 45.6 | 1.26 | (1.06-1.49) | 53 | 8.7 | 1.19 | (0.82-1.71) | |
| Q4 | 224 | 58.1 | 1.33 | (1.13-1.58) | 189 | 49.5 | 1.37 | (1.13-1.64) | 35 | 8.6 | 1.18 | (0.76-1.78) | |
| Q5 | 134 | 60.9 | 1.40 | (1.14-1.71) | 110 | 50.6 | 1.40 | (1.11-1.74) | 24 | 10.3 | 1.42 | (0.85-2.27) | |
| Asian/Pacific Islander | Q1 | 141 | 44.5 | 1.00 | 120 | 37.8 | 1.00 | 21 | 6.7 | 1.00 | |||
| Q2 | 216 | 47.4 | 1.06 | (0.85-1.33) | 178 | 39.4 | 1.04 | (0.82-1.33) | 38 | 7.9 | 1.18 | (0.68-2.13) | |
| Q3 | 223 | 49.6 | 1.11 | (0.90-1.39) | 187 | 42.0 | 1.11 | (0.87-1.41) | 36 | 7.7 | 1.14 | (0.64-2.07) | |
| Q4 | 271 | 53.2 | 1.20 | (0.97-1.48) | 220 | 43.4 | 1.15 | (0.91-1.45) | 51 | 9.8 | 1.46 | (0.86-2.58) | |
| Q5 | 238 | 43.7 | 0.98 | (0.79-1.22) | 193 | 35.5 | 0.94 | (0.74-1.20) | 45 | 8.1 | 1.21 | (0.70-2.16) | |
n, number of cases; MRR, mortality rate ratio; CI, confidence interval.
a
SES quintile (Q1, lower SES; Q5, higher SES); rates are per 100,000 and age-adjusted to the 2000 U.S. standard population (bold numbers indicate significant associations P < 0.05).
ˆ
Statistic not displayed because of fewer than 15 cases.